CaratHunter
Plans
Round|Natural|GIA

3.03ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 5513344408

Certificate GIA 5513344408

Diamond specifications and retailer prices

From £18,405 GBP
$24,661 USD
As of October 30, 2026
Save £12,856 GBP (41%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £31,262 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 5513344408. Listed at 9 retailers as of October 30, 2026, with prices from £18,405 to £31,262, a £12,856 spread on the same certified stone. MOH London lists it at £31,262. 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
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 5513344408
Dimensions9.28 × 9.21 × 5.70 mm
L/W Ratio1.01
Top View
9.28 mm9.21 mm3.03 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5513344408
Side View
Table 61.0%Crown 33.5°Girdle: Slightly ThickPavilion 41.8°Culet: NoneDepth 61.9%

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 30
Current: £31,262 GBP|Low: £17,785 GBP|High: £31,639 GBP|Avg: £21,634 GBP|-1.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 1, 2026
Retailer 4£18,181 GBP
Retailer 9£18,405 GBP
Retailer 10£18,649 GBP
Retailer 3£20,267 GBP
Retailer 7£20,401 GBP
Retailer 14£20,837 GBP
Retailer 8£20,851 GBP
Retailer 6£20,953 GBP
Retailer 2£21,920 GBP
Retailer 11£22,289 GBP
Retailer 12£22,573 GBP
Retailer 5£23,186 GBP
Retailer 13£23,441 GBP
MOH London£31,262 GBP

33 data points across 14 retailers

9 retailers£18,405 GBP to £31,262 GBP

Retailer 1
-
£18,181 GBP
$24,360 USD
Price last confirmed 53 days ago
B+
Retailer 2
-
£18,405 GBP
$24,661 USD
View
Retailer 3
-
£18,649 GBP
A$38,443 AUD
View
Price last confirmed 39 days ago
B+
Retailer 4
-
£20,401 GBP
View
B
Retailer 5
-
£20,851 GBP
$27,938 USD
View
B
Retailer 6
-
£21,920 GBP
View
Retailer 7
-
£22,573 GBP
$30,246 USD
View
Price last confirmed 40 days ago
Retailer 8
-
£23,441 GBP
$31,409 USD
View
Price last confirmed 56 days ago
Most Expensive
B
MOH London
5CF082326 · Nov 1
£31,262 GBP
View
8 more retailers have this diamond
Prices start from £18,405 GBPSave up to £12,856 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
£18,405 GBP