Round|Natural|GIA

3.21ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 1523894677

Certificate GIA 1523894677

Diamond specifications and retailer prices

From $36,740 SGD
$28,739 USD
As of November 2, 2026
Save $19,968 SGD (35%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $56,708 SGD at MOH London · As of November 1, 2026
View at MOH London

About this 3.21ct natural round diamond

This 3.21ct 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 1523894677. Listed at 7 retailers as of November 1, 2026, with prices from $36,740 to $56,708, a $19,968 spread on the same certified stone. MOH London lists it at $56,708. 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

3.21
Carat
J
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 1523894677
Dimensions9.38 × 9.45 × 5.85 mm
L/W Ratio1.01
Star length50%
Key to symbols
Feather, Crystal, Cloud, Needle
Top View
9.38 mm9.45 mm3.21 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1523894677
Side View
Table 58.0%Crown 33.5°Girdle: STK-STKPavilion 41.2°Culet: NoneDepth 62.1%

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: Nov 2
Current: $56,708 SGD|Low: $32,502 SGD|High: $57,392 SGD|Avg: $41,196 SGD|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 2, 2026
Retailer 3$36,740 SGD
Retailer 4$37,186 SGD
Retailer 6$37,823 SGD
Retailer 7$38,635 SGD
Retailer 5$40,082 SGD
Retailer 2$42,829 SGD
MOH London$56,708 SGD

27 data points across 7 retailers

7 retailers$36,740 SGD to $56,708 SGD

B+
Cheapest Retailer
-
$36,740 SGD
$28,739 USD
Final sale: no returns
B+
Retailer 2
-
$37,186 SGD
$29,088 USD
View
B+
Retailer 3
-
$37,823 SGD
$29,586 USD
View
B
Retailer 4
-
$38,635 SGD
$30,221 USD
View
B
Retailer 5
-
$40,082 SGD
$31,353 USD
View
B+
Retailer 6
-
$42,829 SGD
€31,907 EUR
View
Most Expensive
B
MOH London
D53CFFBBD · Nov 1
$56,708 SGD
£34,928 GBP
View
6 more retailers have this diamond
Prices start from $36,740 SGDSave up to $19,968 SGD

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+
3.21ct Round
$36,740 SGD