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Cushion|Natural|GIA

3.03ct J SI2 Cushion Natural Diamond

EX • J/SI2 • GIA 6237799902

Certificate GIA 6237799902

Diamond specifications and retailer prices

From £16,709 GBP
As of November 6, 2026
Save £3,523 GBP (17%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £20,232 GBP at 77 Diamonds · As of November 6, 2026
View at 77 Diamonds

About this 3.03ct natural cushion diamond

This 3.03ct natural cushion sits in the three to five carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6237799902. Listed at 3 retailers as of November 6, 2026, with prices from £16,709 to £20,232, a £3,523 spread on the same certified stone. 77 Diamonds lists it at £20,232. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

3.03
Carat
J
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6237799902
Dimensions9.27 × 7.72 × 5.38 mm
L/W Ratio1.20
Girdle conditionFaceted
Cert comments
Internal graining is not shown.
Top View
9.27 mm7.72 mm3.03 ctJ / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 6237799902
Side View
Table 68.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 69.6%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: £20,232 GBP|Low: £16,709 GBP|High: £20,634 GBP|Avg: £18,712 GBP|+0.5%
77 Diamonds
Retailer 2
November 6, 2026
Retailer 2£16,709 GBP
77 Diamonds£20,232 GBP

45 data points across 2 retailers

3 retailers£16,709 GBP to £20,232 GBP

B+
Cheapest Retailer
-
£16,709 GBP
B
Retailer 2
-
£17,549 GBP
View
Most Expensive
B
77 Diamonds
CUSMBD5DQCKUG · Nov 6
£20,232 GBP
View
2 more retailers have this diamond
Prices start from £16,709 GBPSave up to £3,523 GBP

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

B+
3.03ct Cushion
£16,709 GBP