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Round|Natural|GIA

3.21ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 2567298758

Certificate GIA 2567298758

Diamond specifications and retailer prices

From $50,908 AUD
£28,158 GBP
As of October 27, 2026
Save $29,214 AUD (36%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $80,122 AUD 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 $50,908 to $80,122, a $29,214 spread on the same certified stone. MOH London lists it at $80,122. 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
Colour
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 27
Current: $80,122 AUD|Low: $50,908 AUD|High: $80,444 AUD|Avg: $63,694 AUD|-0.4%
MOH London
Retailer 2
Retailer 3
October 28, 2026
Retailer 3$50,908 AUD
Retailer 2$60,087 AUD
MOH London$80,122 AUD

9 data points across 3 retailers

3 retailers$50,908 AUD to $80,122 AUD

B+
Cheapest Retailer
-
$50,908 AUD
£28,158 GBP
B+
Retailer 2
-
$60,087 AUD
€40,198 EUR
View
Most Expensive
B
MOH London
26453F546 · Oct 26
$80,122 AUD
£44,316 GBP
View
2 more retailers have this diamond
Prices start from $50,908 AUDSave up to $29,214 AUD

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
$50,908 AUD