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Round|Natural|GIA

2.10ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 5496843290

Certificate GIA 5496843290

Diamond specifications and retailer prices

From $11,327 AUD
As of November 6, 2026
Save $4,104 AUD (27%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $18,876 AUD at GemsNY · As of October 5, 2026
View at GemsNY

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 5496843290. Listed at 4 retailers as of November 6, 2026, with a 36% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 5496843290
Dimensions8.22 × 8.25 × 5.03 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Cloud, Feather, Crystal, Needle
Top View
8.22 mm8.25 mm2.10 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5496843290
Side View
Table 60.0%Crown 32.5°Girdle: STK-STKPavilion 41.6°Culet: NoneDepth 61.0%

Caratlytics Score

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

Price History

Last verified: Nov 6
Current: $18,876 AUD|Low: $11,205 AUD|High: $18,876 AUD|Avg: $15,062 AUD
GemsNY
Retailer 2
Retailer 3
Retailer 4
November 6, 2026
Retailer 4$11,327 AUD
Retailer 3$14,875 AUD
Retailer 2$15,431 AUD
GemsNY$18,876 AUD

37 data points across 4 retailers

4 retailers$11,327 AUD to $15,431 AUD

A
Cheapest Retailer
-
$11,327 AUD
B+
Retailer 2
-
$14,875 AUD
View
B+
Retailer 3
-
$15,431 AUD
View
Most Expensive
GemsNY
N815825 · Oct 5
$18,876 AUD
$13,214 USD
View
Price last confirmed 32 days ago
3 more retailers have this diamond
Prices start from $11,327 AUDSave up to $4,104 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
$11,327 AUD