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3.21ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 2567298758

Certificate GIA 2567298758

Diamond specifications and retailer prices

From $35,760 USD
£28,158 GBP
As of October 27, 2026
Save $20,521 USD (36%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $56,281 USD at MOH London · As of October 26, 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 H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2567298758. Listed at 3 retailers as of October 26, 2026, with prices from $35,760 to $56,281, a $20,521 spread on the same certified stone. MOH London lists it at $56,281. 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
H
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 2567298758
Dimensions9.38 × 9.39 × 5.86 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Needle, Cloud
Top View
9.38 mm9.39 mm3.21 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2567298758
Side View
Table 59.0%Crown 35.5°Girdle: MediumPavilion 41.2°Culet: NoneDepth 62.4%

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 27
Current: $56,281 USD|Low: $35,760 USD|High: $56,507 USD|Avg: $44,742 USD|-0.4%
MOH London
Retailer 2
Retailer 3
October 28, 2026
Retailer 3$35,760 USD
Retailer 2$42,208 USD
MOH London$56,281 USD

9 data points across 3 retailers

3 retailers$35,760 USD to $56,281 USD

B+
Cheapest Retailer
-
$35,760 USD
£28,158 GBP
B+
Retailer 2
-
$42,208 USD
€40,198 EUR
View
Most Expensive
B
MOH London
26453F546 · Oct 26
$56,281 USD
£44,316 GBP
View
2 more retailers have this diamond
Prices start from $35,760 USDSave up to $20,521 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+
3.21ct Round
$35,760 USD