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Round|Natural|GIA

2.03ct F SI1 Round Natural Diamond

EX • F/SI1 • GIA 6521865153

Certificate GIA 6521865153

Diamond specifications and retailer prices

From $27,332 AUD
$19,155 USD
As of November 1, 2026
Save $19,101 AUD (41%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $46,433 AUD at MOH London · As of November 2, 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 F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6521865153. Listed at 16 retailers as of November 1, 2026, with prices from $27,332 to $46,433, a $19,101 spread on the same certified stone. MOH London lists it at $46,433. 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
F
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6521865153
Dimensions8.07 × 8.02 × 5.02 mm
L/W Ratio1.01
Top View
8.07 mm8.02 mm2.03 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6521865153
Side View
Table 58.0%Crown 36°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.4%

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: Nov 1
Current: $46,433 AUD|Low: $24,777 AUD|High: $46,993 AUD|Avg: $34,414 AUD|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 3, 2026
Retailer 5$28,494 AUD
Retailer 2$30,152 AUD
Retailer 6$30,718 AUD
Retailer 7$31,218 AUD
Retailer 3$33,985 AUD
Retailer 4$41,111 AUD
MOH London$46,433 AUD

43 data points across 7 retailers

16 retailers$27,332 AUD to $46,433 AUD

B+
Cheapest Retailer
-
$27,332 AUD
$19,155 USD
B+
Retailer 2
-
$27,942 AUD
CA$27,198 CAD
View
B+
Retailer 3
-
$28,494 AUD
$19,969 USD
View
Final sale: no returns
B+
Retailer 4
-
$29,009 AUD
$20,330 USD
View
B+
Retailer 5
-
$29,731 AUD
$20,836 USD
View
B+
Retailer 6
-
$30,152 AUD
£16,639 GBP
View
Retailer 7
-
$30,718 AUD
View
Price last confirmed 29 days ago
B
Retailer 8
-
$31,218 AUD
$21,878 USD
View
B
Retailer 9
-
$32,209 AUD
$22,573 USD
View
B
Retailer 10
-
$33,448 AUD
$23,441 USD
View
B
Retailer 11
-
$33,489 AUD
$23,470 USD
View
B
Retailer 12
-
$33,985 AUD
€22,683 EUR
View
B
Retailer 13
-
$34,651 AUD
$24,284 USD
View
B
Retailer 14
-
$41,111 AUD
ZAR 465,454 ZAR
View
B
Retailer 15
-
$42,119 AUD
$29,518 USD
View
Most Expensive
B
MOH London
D05E309E5 · Nov 2
$46,433 AUD
£25,623 GBP
View
15 more retailers have this diamond
Prices start from $27,332 AUDSave up to $19,101 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+
2.03ct Round
$27,332 AUD