Round|Natural|GIA

3.03ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 1555895832

Certificate GIA 1555895832

Diamond specifications and retailer prices

From $24,520 USD
As of October 31, 2026
Save $15,460 USD (39%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $39,980 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 1555895832. Listed at 9 retailers as of October 31, 2026, with prices from $24,520 to $39,980, a $15,460 spread on the same certified stone. MOH London lists it at $39,980. 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
Crown angle36°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 1555895832
Dimensions9.21 × 9.15 × 5.74 mm
L/W Ratio1.01
Girdle conditionSlightly Thick
Key to symbols
Feather, Crystal, Needle, Natural
Top View
9.21 mm9.15 mm3.03 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1555895832
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $39,980 USD|Low: $24,520 USD|High: $41,085 USD|Avg: $29,527 USD|-2.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 1, 2026
Retailer 4$24,520 USD
Retailer 5$26,195 USD
Retailer 3$27,480 USD
Retailer 2$28,032 USD
MOH London$39,980 USD

35 data points across 5 retailers

9 retailers$24,520 USD to $39,980 USD

B+
Cheapest Retailer
-
$24,520 USD
Retailer 2
-
$26,195 USD
A$40,300 AUD
View
Price last confirmed 28 days ago
Retailer 3
-
$27,077 USD
View
Price last confirmed 35 days ago
B+
Retailer 4
-
$27,480 USD
View
B+
Retailer 5
-
$28,032 USD
£22,073 GBP
View
Retailer 6
-
$30,126 USD
View
Price last confirmed 32 days ago
Retailer 7
-
$30,611 USD
View
Price last confirmed 25 days ago
Retailer 8
-
$31,083 USD
View
Price last confirmed 38 days ago
Most Expensive
B
MOH London
799459F82 · Nov 1
$39,980 USD
£31,480 GBP
View
8 more retailers have this diamond
Prices start from $24,520 USDSave up to $15,460 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
$24,520 USD