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Round|Natural|GIA

3.03ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 6555477014

Certificate GIA 6555477014

Diamond specifications and retailer prices

From £18,899 GBP
$25,323 USD
As of October 31, 2026
Save £10,567 GBP (36%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £29,466 GBP at MOH London · As of November 1, 2026
View at MOH London

About this 3.03ct natural round diamond

This 3.03ct 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 6555477014. Listed at 9 retailers as of October 31, 2026, with prices from £18,899 to £29,466, a £10,567 spread on the same certified stone. MOH London lists it at £29,466. 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
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6555477014
Dimensions9.16 × 9.22 × 5.75 mm
L/W Ratio1.01
Girdle conditionSlightly Thick
Key to symbols
Twinning Wisp, Feather, Knot, Crystal, Cloud, Needle
Top View
9.16 mm9.22 mm3.03 ctJ / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateGIA 6555477014
Side View
Table 58.0%Crown 36°Girdle: MED-STKPavilion 40.8°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: Oct 31
Current: £29,466 GBP|Low: £18,899 GBP|High: £30,275 GBP|Avg: £22,097 GBP|-1.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 5£18,899 GBP
Retailer 9£19,210 GBP
Retailer 6£20,255 GBP
Retailer 2£20,659 GBP
Retailer 8£21,000 GBP
Retailer 10£21,841 GBP
Retailer 3£21,867 GBP
Retailer 4£22,562 GBP
Retailer 7£26,729 GBP
MOH London£29,466 GBP

38 data points across 10 retailers

9 retailers£18,899 GBP to £29,466 GBP

B+
Cheapest Retailer
-
£18,899 GBP
$25,323 USD
Retailer 2
-
£19,210 GBP
A$39,600 AUD
View
Price last confirmed 29 days ago
B+
Retailer 3
-
£20,255 GBP
$27,140 USD
View
B+
Retailer 4
-
£20,659 GBP
View
B
Retailer 5
-
£21,000 GBP
$28,138 USD
View
B
Retailer 6
-
£21,867 GBP
$29,300 USD
View
B+
Retailer 7
-
£22,562 GBP
$30,230 USD
View
B
Retailer 8
-
£26,729 GBP
$35,814 USD
View
Most Expensive
B
MOH London
7E9AE45CA · Nov 1
£29,466 GBP
View
8 more retailers have this diamond
Prices start from £18,899 GBPSave up to £10,567 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 Round
£18,899 GBP