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Cushion|Natural|GIA

3.10ct J SI1 Cushion Natural Diamond

ID • J/SI1 • GIA 6555997439

Certificate GIA 6555997439

Diamond specifications and retailer prices

From £13,382 GBP
As of November 4, 2026
Save £3,261 GBP (20%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £16,643 GBP at Jogia Diamonds · As of November 6, 2026
View at Jogia Diamonds

About this 3.1ct natural cushion diamond

This 3.1ct natural cushion sits in the three to five carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6555997439. Listed at 4 retailers as of November 4, 2026, with prices from £13,382 to £16,643, a £3,261 spread on the same certified stone. Jogia Diamonds lists it at £16,643. 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

3.10
Carat
J
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6555997439
Dimensions9.14 × 7.63 × 5.12 mm
L/W Ratio1.20
Top View
9.14 mm7.63 mm3.10 ctJ / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6555997439
Side View
Table 58.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 67.1%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: £13,961 GBP|Low: £13,382 GBP|High: £15,216 GBP|Avg: £14,105 GBP|-1.6%
Retailer 1
Retailer 2
Retailer 3
November 6, 2026
Retailer 3£13,382 GBP
Retailer 1£13,961 GBP
Retailer 2£14,711 GBP

45 data points across 3 retailers

4 retailers£13,382 GBP to £16,643 GBP

A
Cheapest Retailer
-
£13,382 GBP
A
Retailer 2
-
£13,961 GBP
View
B+
Retailer 3
-
£14,711 GBP
View
Most Expensive
B+
Jogia Diamonds
J26897802 · Nov 6
£16,643 GBP
A$34,272 AUD
View
3 more retailers have this diamond
Prices start from £13,382 GBPSave up to £3,261 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.

A
3.10ct Cushion
£13,382 GBP