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Round|Natural|GIA

2.09ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 3555483375

Certificate GIA 3555483375

Diamond specifications and retailer prices

From $28,724 AUD
$20,177 USD
As of October 30, 2026
Save $15,721 AUD (35%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $44,445 AUD at MOH London · As of October 29, 2026
View at MOH London

About this 2.09ct natural round diamond

This 2.09ct natural round sits in the two to three carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 3555483375. Listed at 10 retailers as of October 29, 2026, with prices from $28,724 to $44,445, a $15,721 spread on the same certified stone. MOH London lists it at $44,445. 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

2.09
Carat
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 3555483375
Dimensions8.20 × 8.25 × 5.02 mm
L/W Ratio1.01
Top View
8.20 mm8.25 mm2.09 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 3555483375
Side View
Table 60.0%CrownGirdlePavilionCulet: NoneDepth 61.1%

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 30
Current: $44,445 AUD|Low: $25,564 AUD|High: $44,445 AUD|Avg: $32,260 AUD|+0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
October 30, 2026
Retailer 5$25,564 AUD
Retailer 14$28,724 AUD
Retailer 7$28,939 AUD
Retailer 9$29,158 AUD
Retailer 12$29,944 AUD
Retailer 10$30,472 AUD
Retailer 6$31,449 AUD
Retailer 13$32,579 AUD
Retailer 4$33,845 AUD
Retailer 2$34,347 AUD
Retailer 11$34,749 AUD
Retailer 3$35,286 AUD
Retailer 8$38,933 AUD
MOH London$44,445 AUD

9 data points across 14 retailers

10 retailers$28,724 AUD to $44,445 AUD

B+
Cheapest Retailer
-
$28,724 AUD
$20,177 USD
B+
Retailer 2
-
$28,939 AUD
£16,006 GBP
View
B+
Retailer 3
-
$29,158 AUD
View
B+
Retailer 4
-
$29,944 AUD
$21,034 USD
View
Final sale: no returns
B+
Retailer 5
-
$30,472 AUD
$21,405 USD
View
B+
Retailer 6
-
$32,579 AUD
$22,885 USD
View
B+
Retailer 7
-
$34,347 AUD
€22,978 EUR
View
B
Retailer 8
-
$34,749 AUD
$24,409 USD
View
B
Retailer 9
-
$38,933 AUD
ZAR 441,819 ZAR
View
Most Expensive
B
MOH London
D32895585 · Oct 29
$44,445 AUD
£24,583 GBP
View
9 more retailers have this diamond
Prices start from $28,724 AUDSave up to $15,721 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+
2.09ct Round
$28,724 AUD