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Round|Natural|GIA

3.02ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 1395988599

Certificate GIA 1395988599

Diamond specifications and retailer prices

From £20,148 GBP
As of November 6, 2026
Save £7,057 GBP (26%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £27,204 GBP at Yorxs · As of November 5, 2026
View at Yorxs

About this 3.02ct natural round diamond

This 3.02ct natural round sits in the three to five carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1395988599. Listed at 9 retailers as of November 5, 2026, with prices from £20,148 to £27,204, a £7,057 spread on the same certified stone. Yorxs lists it at £27,204. 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

3.02
Carat
J
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 1395988599
Dimensions9.21 × 9.15 × 5.72 mm
L/W Ratio1.01
Culet sizeNone
Top View
9.21 mm9.15 mm3.02 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1395988599
Side View
Table 59.0%Crown 36°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.5%

Caratlytics Score

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

Price History

Last verified: Nov 6
Current: £21,432 GBP|Low: £18,848 GBP|High: £27,515 GBP|Avg: £22,490 GBP|+10.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Yorxs
November 5, 2026
Retailer 2£18,848 GBP
Retailer 4£20,148 GBP
Retailer 5£20,709 GBP
Retailer 1£21,432 GBP
Retailer 6£21,712 GBP
Retailer 3£22,964 GBP
Retailer 10£23,315 GBP
Retailer 7£23,731 GBP
Retailer 8£23,731 GBP
Retailer 9£24,526 GBP
Yorxs£27,204 GBP

23 data points across 11 retailers

9 retailers£20,148 GBP to £27,204 GBP

B+
Cheapest Retailer
-
£20,148 GBP
B+
Retailer 2
-
£20,709 GBP
View
B
Retailer 3
-
£21,432 GBP
View
Final sale: no returns
B
Retailer 4
-
£21,712 GBP
View
B
Retailer 5
-
£22,964 GBP
View
B
Retailer 6
-
£23,731 GBP
View
B
Retailer 7
-
£23,731 GBP
View
B
Retailer 8
-
£24,526 GBP
View
Most Expensive
B
Yorxs
30657 · Nov 5
£27,204 GBP
€34,871 EUR
View
8 more retailers have this diamond
Prices start from £20,148 GBPSave up to £7,057 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+
3.02ct Round
£20,148 GBP