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Round|Natural|GIA

2.09ct F SI1 Round Natural Diamond

EX • F/SI1 • GIA 3555120527

Certificate GIA 3555120527

Diamond specifications and retailer prices

From $23,963 AUD
CA$23,379 CAD
As of October 30, 2026
Save $15,525 AUD (39%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $39,488 AUD at MOH London · As of November 1, 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 F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 3555120527. Listed at 13 retailers as of October 30, 2026, with prices from $23,963 to $39,488, a $15,525 spread on the same certified stone. MOH London lists it at $39,488. 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
F
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 3555120527
Dimensions8.10 × 8.17 × 5.10 mm
L/W Ratio1.01
Top View
8.10 mm8.17 mm2.09 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 3555120527
Side View
Table 58.0%Crown 36.5°Girdle: THN-STKPavilion 41°Culet: NoneDepth 62.7%

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: $39,488 AUD|Low: $23,963 AUD|High: $43,494 AUD|Avg: $30,970 AUD|-8.2%
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
November 2, 2026
Retailer 7$23,963 AUD
Retailer 13$24,113 AUD
Retailer 2$26,157 AUD
Retailer 8$26,643 AUD
Retailer 10$26,643 AUD
Retailer 3$27,305 AUD
Retailer 4$28,173 AUD
Retailer 9$28,173 AUD
Retailer 12$29,113 AUD
Retailer 11$29,716 AUD
Retailer 6$30,543 AUD
Retailer 5$30,659 AUD
MOH London$39,488 AUD

39 data points across 13 retailers

13 retailers$23,963 AUD to $39,488 AUD

B+
Cheapest Retailer
-
$23,963 AUD
CA$23,379 CAD
B+
Retailer 2
-
$24,113 AUD
$16,938 USD
View
B+
Retailer 3
-
$26,157 AUD
£14,468 GBP
View
B+
Retailer 4
-
$26,643 AUD
$18,715 USD
View
B+
Retailer 5
-
$26,643 AUD
$18,715 USD
View
B
Retailer 6
-
$27,305 AUD
$19,180 USD
View
B+
Retailer 7
-
$28,173 AUD
$19,790 USD
View
B+
Retailer 8
-
$28,173 AUD
$19,790 USD
View
B+
Retailer 9
-
$29,113 AUD
$20,450 USD
View
B+
Retailer 10
-
$29,716 AUD
$20,874 USD
View
B+
Retailer 11
-
$30,543 AUD
€20,433 EUR
View
B
Retailer 12
-
$30,659 AUD
$21,536 USD
View
Most Expensive
B
MOH London
1C8383581 · Nov 1
$39,488 AUD
£21,841 GBP
View
12 more retailers have this diamond
Prices start from $23,963 AUDSave up to $15,525 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
$23,963 AUD