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Round|Natural|GIA

2.10ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 5436252863

Certificate GIA 5436252863

Diamond specifications and retailer prices

From $12,742 AUD
As of November 4, 2026
Save $8,698 AUD (41%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $21,440 AUD at MOH London · As of November 4, 2026
View at MOH London

About this 2.1ct natural round diamond

This 2.1ct natural round sits in the two to three carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 5436252863. Listed at 5 retailers as of November 4, 2026, with prices from $12,742 to $21,440, a $8,698 spread on the same certified stone. MOH London lists it at $21,440. 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

2.10
Carat
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.5°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 5436252863
Dimensions8.27 × 8.23 × 5.10 mm
L/W Ratio1.00
Star length50%
Lower girdle80%
Top View
8.27 mm8.23 mm2.10 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5436252863
Side View
Table 57.0%Crown 32.5°Girdle: NUL-NULPavilion 41.6°Culet: NoneDepth 61.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $21,440 AUD|Low: $12,742 AUD|High: $21,756 AUD|Avg: $16,456 AUD|-0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 4$12,742 AUD
Retailer 6$12,742 AUD
Retailer 2$14,816 AUD
Retailer 3$17,208 AUD
Retailer 5$18,112 AUD
MOH London$21,440 AUD

42 data points across 6 retailers

5 retailers$12,742 AUD to $21,440 AUD

A
Cheapest Retailer
-
$12,742 AUD
B+
Retailer 2
-
$14,816 AUD
View
B
Retailer 3
-
$17,208 AUD
View
Retailer 4
-
$18,112 AUD
View
Price last confirmed 14 days ago
Most Expensive
B
MOH London
BFEF2FE8B · Nov 4
$21,440 AUD
£11,818 GBP
View
4 more retailers have this diamond
Prices start from $12,742 AUDSave up to $8,698 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.

A
2.10ct Round
$12,742 AUD