Round|Natural|GIA

3.03ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 2556357915

Certificate GIA 2556357915

Diamond specifications and retailer prices

From $22,947 USD
As of November 1, 2026
Save $16,415 USD (42%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $39,362 USD 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 2556357915. Listed at 16 retailers as of November 1, 2026, with prices from $22,947 to $39,362, a $16,415 spread on the same certified stone. MOH London lists it at $39,362. 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
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2556357915
Dimensions9.10 × 9.18 × 5.74 mm
L/W Ratio1.01
Key to symbols
Cloud, Feather, Crystal, Needle
Top View
9.10 mm9.18 mm3.03 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2556357915
Side View
Table 58.0%CrownGirdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.8%

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 1
Current: $39,362 USD|Low: $20,659 USD|High: $40,801 USD|Avg: $26,413 USD|+3.2%
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
Retailer 15
November 1, 2026
Retailer 5$20,659 USD
Retailer 6$22,462 USD
Retailer 7$22,775 USD
Retailer 11$22,947 USD
Retailer 12$22,951 USD
Retailer 3$23,373 USD
Retailer 13$24,540 USD
Retailer 8$25,215 USD
Retailer 14$26,800 USD
Retailer 15$26,800 USD
Retailer 4$27,690 USD
Retailer 10$28,354 USD
Retailer 2$29,411 USD
Retailer 9$32,673 USD
MOH London$39,362 USD

11 data points across 15 retailers

16 retailers$22,947 USD to $39,362 USD

Retailer 1
-
$20,659 USD
HK$161,400 HKD
Price last confirmed 23 days ago
B+
Retailer 2
-
$22,947 USD
View
B+
Retailer 3
-
$22,951 USD
View
B+
Retailer 4
-
$23,373 USD
View
B+
Retailer 5
-
$23,909 USD
A$36,783 AUD
View
B+
Retailer 6
-
$24,540 USD
View
B+
Retailer 7
-
$25,215 USD
£19,854 GBP
View
B+
Retailer 8
-
$26,800 USD
View
B+
Retailer 9
-
$26,800 USD
View
B
Retailer 10
-
$27,690 USD
View
B
Retailer 11
-
$28,354 USD
View
Retailer 12
-
$29,201 USD
View
Price last confirmed 39 days ago
B
Retailer 13
-
$29,411 USD
€28,010 EUR
View
B
Retailer 14
-
$32,673 USD
ZAR 527,828 ZAR
View
Retailer 15
-
$34,594 USD
View
Price last confirmed 37 days ago
Most Expensive
B
MOH London
4F9F25D6C · Nov 1
$39,362 USD
£30,994 GBP
View
15 more retailers have this diamond
Prices start from $22,947 USDSave up to $16,415 USD

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
$22,947 USD