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Round|Natural|GIA

2.03ct D SI2 Round Natural Diamond

EX • D/SI2 • GIA 5231449731

Certificate GIA 5231449731

Diamond specifications and retailer prices

From $21,130 AUD
$14,844 USD
As of October 29, 2026
Save $13,709 AUD (39%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $34,838 AUD at MOH London · As of October 29, 2026
View at MOH London

About this 2.03ct natural round diamond

This 2.03ct natural round sits in the two to three carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 5231449731. Listed at 15 retailers as of October 29, 2026, with prices from $21,130 to $34,838, a $13,709 spread on the same certified stone. MOH London lists it at $34,838. 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

2.03
Carat
D
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 5231449731
Dimensions8.10 × 8.07 × 5.02 mm
L/W Ratio1.00
Star length50%
Lower girdle80%
Top View
8.10 mm8.07 mm2.03 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5231449731
Side View
Table 59.0%Crown 35.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.1%

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: Oct 29
Current: $34,838 AUD|Low: $21,130 AUD|High: $36,961 AUD|Avg: $26,686 AUD|-4.7%
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
October 30, 2026
Retailer 13$21,130 AUD
Retailer 5$22,143 AUD
Retailer 9$23,345 AUD
Retailer 2$23,437 AUD
Retailer 7$23,885 AUD
Retailer 3$25,137 AUD
Retailer 8$25,137 AUD
Retailer 11$25,977 AUD
Retailer 10$26,040 AUD
Retailer 4$26,866 AUD
Retailer 6$26,922 AUD
Retailer 12$31,433 AUD
MOH London$34,838 AUD

32 data points across 13 retailers

15 retailers$21,130 AUD to $34,838 AUD

A
Cheapest Retailer
-
$21,130 AUD
$14,844 USD
A
Retailer 2
-
$22,143 AUD
CA$21,606 CAD
View
A
Retailer 3
-
$23,345 AUD
$16,401 USD
View
A
Retailer 4
-
$23,437 AUD
£12,965 GBP
View
A
Retailer 5
-
$23,885 AUD
$16,780 USD
View
B+
Retailer 6
-
$25,137 AUD
$17,660 USD
View
B+
Retailer 7
-
$25,137 AUD
$17,660 USD
View
B+
Retailer 8
-
$25,977 AUD
$18,250 USD
View
B+
Retailer 9
-
$26,040 AUD
$18,294 USD
View
B+
Retailer 10
-
$26,866 AUD
$18,874 USD
View
B+
Retailer 11
-
$26,922 AUD
€18,013 EUR
View
B
Retailer 12
-
$31,433 AUD
$22,083 USD
View
Retailer 13
-
$33,127 AUD
$23,273 USD
View
Price last confirmed 32 days ago
Retailer 14
-
$33,127 AUD
$23,273 USD
View
Price last confirmed 20 days ago
Most Expensive
B+
MOH London
44F100C99 · Oct 29
$34,838 AUD
£19,272 GBP
View
14 more retailers have this diamond
Prices start from $21,130 AUDSave up to $13,709 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
2.03ct Round
$21,130 AUD