Round|Natural|GIA

2.05ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 1433410936

Certificate GIA 1433410936

Diamond specifications and retailer prices

From $23,056 AUD
As of November 1, 2026
Save $7,254 AUD (24%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $40,885 AUD at MOH London · As of October 21, 2026
View at MOH London

About this 2.05ct natural round diamond

This 2.05ct natural round sits in the two to three carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1433410936. Listed at 20 retailers as of November 1, 2026, with a 31% 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

2.05
Carat
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle33°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 1433410936
Dimensions8.18 × 8.12 × 5.03 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
8.18 mm8.12 mm2.05 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1433410936
Side View
Table 59.0%Crown 33°Girdle: Slightly ThickPavilion 41.6°Culet: NoneDepth 61.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $40,885 AUD|Low: $23,056 AUD|High: $41,157 AUD|Avg: $29,269 AUD|-0.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 6$23,056 AUD
Retailer 2$24,076 AUD
Retailer 7$24,954 AUD
Retailer 4$27,334 AUD
Retailer 9$27,341 AUD
Retailer 8$27,553 AUD
Retailer 3$30,221 AUD
Retailer 5$35,308 AUD
MOH London$40,885 AUD

40 data points across 9 retailers

20 retailers$23,056 AUD to $30,310 AUD

B+
Cheapest Retailer
-
$23,056 AUD
B+
Retailer 2
-
$23,866 AUD
View
Retailer 3
-
$23,939 AUD
View
Price last confirmed 14 days ago
B+
Retailer 4
-
$24,076 AUD
View
B+
Retailer 5
-
$24,440 AUD
View
Retailer 6
-
$25,456 AUD
View
Price last confirmed 14 days ago
Retailer 7
-
$26,040 AUD
View
Price last confirmed 21 days ago
Retailer 8
-
$27,334 AUD
View
Price last confirmed 14 days ago
Retailer 9
-
$27,341 AUD
View
Price last confirmed 15 days ago
Retailer 10
-
$27,553 AUD
View
Price last confirmed 33 days ago
Retailer 11
-
$28,210 AUD
View
Price last confirmed 15 days ago
B
Retailer 12
-
$28,670 AUD
View
B
Retailer 13
-
$28,670 AUD
View
Retailer 14
-
$29,294 AUD
View
Price last confirmed 16 days ago
B
Retailer 15
-
$29,627 AUD
View
B
Retailer 16
-
$30,221 AUD
View
B
Retailer 17
-
$30,310 AUD
View
Retailer 18
-
$35,308 AUD
View
Price last confirmed 15 days ago
Retailer 19
-
$36,890 AUD
View
Price last confirmed 17 days ago
Most Expensive
MOH London
F0EC231F0 · Oct 21
$40,885 AUD
£22,536 GBP
View
Price last confirmed 16 days ago
19 more retailers have this diamond
Prices start from $23,056 AUDSave up to $7,254 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+
2.05ct Round
$23,056 AUD