TRANSREACH · Global Gemstone Desk
Rough Gemstones.
Commercial Intelligence.
A visual market reference for documented rough parcels and independently examined polished stones—presented for qualified, transaction-led sourcing.
20Gemstone categories
19Supplied photographs
USD · AEDIndicative reference bands
Reading the market correctly
No universal gemstone price list exists.
Gemstones are not interchangeable commodities. Origin, treatment, transparency, colour, size, cutting potential, documentation and current buyer demand can produce major differences between visually similar stones.
Every band below is a broad, non-binding reference—not an offer, appraisal, investment forecast or guarantee. Rough parcels require document review, representative sampling, physical inspection and yield analysis before a commercial quotation can be issued.
Visual catalogue
Rough to polished reference
Showing 20 gemstone categories
Natural material reference
Ruby
Indicative polished referenceUS$175–21,800+ / ct · AED 650–80,000+ / ct
- Rough parcels
- Quoted after origin documents, parcel sorting, crystal condition, weight distribution, treatment risk and estimated cutting yield are reviewed.
- Polished solitaires
- Fine vivid-red solitaires command the strongest premiums. Size, transparency, cutting, origin opinion and treatment status can move a stone far beyond commercial levels.
- Quality standard
- Prioritise vivid red to slightly purplish red, balanced tone, strong saturation and attractive transparency. Heat, filling and other treatments require clear independent disclosure.
Natural material reference
Sapphire
Indicative polished referenceUS$100–15,000+ / ct · AED 370–55,000+ / ct
- Rough parcels
- Parcels are assessed by crystal size, colour potential, zoning, clarity, fractures, recovery estimate, treatment risk and documented origin.
- Polished solitaires
- Prices vary widely with hue, tone, saturation, eye cleanliness, cut and carat weight. Rare untreated stones with supportable origin can exceed general reference bands.
- Quality standard
- A lively, evenly distributed blue with strong saturation is preferred. Colour zoning, extinction, windowing, inclusions and all detected treatments affect value.
Natural material reference
Emerald
Indicative polished referenceUS$150–15,000+ / ct · AED 550–55,000+ / ct
- Rough parcels
- Quotation depends on crystal transparency, colour, fissures, host rock, origin documentation and realistic clean recovery after cutting.
- Polished solitaires
- Fine rich-green solitaires may trade from commercial levels to exceptional five-figure prices per carat. Size, clarity, origin and enhancement level are material.
- Quality standard
- Look for an attractive rich green, good transparency and a cut that preserves colour without excessive windowing. Natural inclusions are expected; clarity enhancement must be disclosed.
Natural material reference
Diamond
Indicative polished referenceUS$1,200–22,000+ / ct · AED 4,400–81,000+ / ct
- Rough parcels
- International rough trade requires documented legal origin, eligible shipment records and applicable Kimberley Process documentation, followed by model, shape, colour and yield assessment.
- Polished solitaires
- Value is driven by carat weight, colour, clarity, cut performance, proportions and fluorescence, supported by an independent grading report appropriate to the transaction.
- Quality standard
- Natural, laboratory-grown and treated material must be kept separate and clearly disclosed. Certification supports identification and grading; it is not itself a price guarantee.
Natural material reference
Amethyst
Indicative polished referenceUS$2–50+ / ct · AED 7–185+ / ct
- Rough parcels
- Parcels are evaluated for usable crystal size, colour consistency, zoning, fractures and the percentage of transparent cutting material.
- Polished solitaires
- Generally accessible in price, with premiums for saturated purple, bright flashes, good transparency and precision cutting.
- Quality standard
- Deep but lively purple is preferred. Excessive darkness, strong zoning, visible fractures and dull cutting reduce commercial appeal.
Natural material reference
Citrine
Indicative polished referenceUS$2–40+ / ct · AED 7–147+ / ct
- Rough parcels
- Quoted by weight distribution, clarity, colour potential, fracture level and expected clean yield from the parcel.
- Polished solitaires
- Brighter, evenly coloured yellow-to-orange stones with good clarity and lively cutting receive stronger prices.
- Quality standard
- Assess colour evenness, transparency, inclusions and cut. Natural colour and heat-related colour should be represented accurately where determinable.
Natural material reference
Aquamarine
Indicative polished referenceUS$20–1,500+ / ct · AED 75–5,500+ / ct
- Rough parcels
- Colour depth, transparency, crystal size, internal fractures, shape and likely yield are the main rough-parcel considerations.
- Polished solitaires
- Strong blue to blue-green material with high transparency, attractive cutting and larger clean sizes commands a premium.
- Quality standard
- Colour intensity is the leading value factor, followed by clarity, cut and size. Pale or greyish material normally trades below saturated blue stones.
Natural material reference
Opal
Indicative polished referenceUS$10–10,000+ / ct · AED 37–36,700+ / ct
- Rough parcels
- Rough is judged by visible play-of-colour, pattern potential, colour-bar thickness, body tone, cracks, hydration stability and anticipated recovery.
- Polished solitaires
- Brightness, spectral range, pattern, coverage and body tone create an unusually wide market. Fine black or exceptional patterned opal can exceed broad references.
- Quality standard
- Confirm type, natural or composite construction, stability and any smoke, dye, impregnation or other treatment. The image is illustrative and does not establish these factors.
Natural material reference
Tanzanite
Indicative polished referenceUS$100–1,500+ / ct · AED 370–5,500+ / ct
- Rough parcels
- Parcels are assessed for crystal size, blue-violet potential, pleochroism, clarity, fracture orientation and recoverable polished weight.
- Polished solitaires
- Larger, strongly saturated, well-cut and eye-clean stones occupy the premium end of the market.
- Quality standard
- Judge depth and balance of blue-violet colour, transparency, pleochroism, cut and size. Heat treatment is common and should be addressed in transaction documentation.
Natural material reference
Garnet
Indicative polished referenceUS$5–5,000+ / ct · AED 18–18,400+ / ct
- Rough parcels
- The species and variety must be established before pricing. Colour, inclusions, crystal size, fractures and clean yield then determine the parcel level.
- Polished solitaires
- Common red garnets are broadly available, while selected green and rare varieties can command substantial premiums.
- Quality standard
- Use variety-specific criteria and assess hue, tone, saturation, clarity, cut and size. A single generic garnet price is not commercially reliable.
Natural material reference
Peridot
Indicative polished referenceUS$20–500+ / ct · AED 75–1,835+ / ct
- Rough parcels
- Rough value reflects crystal size, clean areas, fractures, brown or yellow modifiers, transparency and expected finished yield.
- Polished solitaires
- Bright, saturated green stones with minimal brown, strong transparency and larger clean sizes receive the best prices.
- Quality standard
- Colour saturation and eye cleanliness lead the assessment. Dark inclusions, excessive yellow-brown tone, windowing and weak polish reduce value.
Natural material reference
Tourmaline
Indicative polished referenceUS$20–50,000+ / ct · AED 75–183,600+ / ct
- Rough parcels
- Variety, colour zones, crystal dimensions, clarity, fractures, cutting direction and recoverable colour determine parcel pricing.
- Polished solitaires
- The market spans accessible material to exceptional copper-bearing and vivid-colour stones that trade in a distinct premium category.
- Quality standard
- Colour is paramount, followed by clarity, cut and size. Rare trade descriptions should be supported by independent identification rather than visual assumption.
Natural material reference
Topaz
Indicative polished referenceUS$5–3,000+ / ct · AED 18–11,000+ / ct
- Rough parcels
- Most rough is quoted by colour category, clarity, crystal size, cleavage risk, treatment history and usable yield.
- Polished solitaires
- Common treated blue topaz is accessible; natural pink, red and fine imperial colours can command far stronger prices.
- Quality standard
- Confirm colour variety and treatment status, then assess saturation, clarity, cutting, carat weight and durability-related cleavage considerations.
J
Jade image pending
Add only a photograph authorised for TRANSREACH website use.
Natural material reference
Jade
Indicative polished referenceInspection quotation · fine material may be auction-led
- Rough parcels
- Boulders and slabs require specialist inspection of windows, skin, internal colour, translucency, texture, fractures and the uncertainty of usable recovery.
- Polished solitaires
- Commercial material and fine untreated jadeite occupy very different markets; important pieces may be valued by object rather than per carat.
- Quality standard
- First identify jadeite versus nephrite and disclose polymer, dye or other treatment. Then assess colour, translucency, texture, structure and workmanship.
Natural material reference
Turquoise
Indicative polished referenceUS$1–100+ / ct · AED 4–370+ / ct
- Rough parcels
- Colour, hardness, porosity, matrix character, nodule size, origin documentation and stability determine parcel interest.
- Polished solitaires
- Some buyers favour even robin’s-egg blue; others value distinctive natural matrix. Market preference varies by region and jewellery style.
- Quality standard
- Natural material must be separated from stabilized, dyed, reconstructed and imitation products. Treatment disclosure is essential to any comparison.
Natural material reference
Pearl
Indicative polished referenceUS$10–10,000+ per cultured pearl · lot-specific
- Rough parcels
- Pearls are not traded as conventional mineral rough. Loose lots are matched and priced by type, size, shape, body colour, overtone, lustre and surface condition.
- Polished solitaires
- Fine individual pearls and matched strands can vary dramatically in price. Matching quality and rarity may matter as much as individual size.
- Quality standard
- Assess natural versus cultured status, mollusc type, size, shape, lustre, orient, nacre quality, surface, colour and matching, together with any treatment.
Natural material reference
Quartz
Indicative polished referenceUS$1–50+ / ct · AED 4–185+ / ct
- Rough parcels
- Abundant commercial rough is valued by variety, transparency, inclusions, colour, crystal aesthetics, size and suitability for cutting or collecting.
- Polished solitaires
- Most polished quartz is accessible. Exceptional clarity, unusual optical effects, collector inclusions or highly skilled cutting can add value.
- Quality standard
- Identify the variety and any treatment or synthetic origin, then assess transparency, colour or phenomenon, inclusions, cut and finished size.
Natural material reference
Moonstone
Indicative polished referenceUS$5–1,000+ / ct · AED 18–3,670+ / ct
- Rough parcels
- Orientation, visible sheen, transparency, fractures, body colour and cabochon yield are critical when selecting rough.
- Polished solitaires
- A strong, centred blue sheen on a near-colourless body is highly prized, while diffuse or weak sheen trades lower.
- Quality standard
- Judge the strength, colour and centring of adularescence, plus body transparency, inclusions, durability and cabochon proportions.
Natural material reference
Spinel
Indicative polished referenceUS$50–10,000+ / ct · AED 185–36,700+ / ct
- Rough parcels
- Colour potential, crystal size, transparency, fractures, inclusions, origin documentation and clean recovery guide rough pricing.
- Polished solitaires
- Fine vivid red, selected pink and cobalt-blue material can command strong premiums; ordinary colours occupy lower commercial bands.
- Quality standard
- Prioritise vivid hue, saturation, transparency, attractive cutting and size. Origin and colour-cause opinions should be independently supported when commercially material.
Natural material reference
Zircon
Indicative polished referenceUS$20–500+ / ct · AED 75–1,835+ / ct
- Rough parcels
- Rough is assessed for colour potential, size, transparency, abrasion, internal stress, fractures and the cutting orientation needed to maximise brilliance.
- Polished solitaires
- Well-cut zircon is valued for strong dispersion and brilliance. Blue, warm red-brown and selected natural colours have different market levels.
- Quality standard
- Confirm natural zircon rather than cubic zirconia. Assess hue, tone, clarity, cut, size, treatment and facet-edge condition.
No gemstone matches that search.
Transaction-led sourcing
Qualified buyers. Documented assets. Controlled execution.
Buyer qualification
Identity, beneficial ownership, business purpose, authority to transact and proof of funds or bank capability.
Parcel verification
Seller authority, chain of title, legal origin, export eligibility, inventory schedule, treatment disclosures and available reports.
Independent examination
Secure viewing, representative sampling, weight reconciliation, gemological testing and yield assessment where required.
Controlled settlement
Written commercial terms, compliant payment route, insurance, logistics and documented transfer of possession.
Qualified enquiries
Request a parcel or solitaire quotation.
Provide the gemstone, form, preferred origin, size range, quality, treatment tolerance, report requirement, volume, destination and target timeline.