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Round|Natural|GIA

2.09ct F SI1 Round Natural Diamond

EX • F/SI1 • GIA 2537381713

Certificate GIA 2537381713

Diamond specifications and retailer prices

From $24,300 AUD
$17,030 USD
As of November 1, 2026
Save $17,791 AUD (42%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $42,091 AUD at MOH London · As of November 2, 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 2537381713. Listed at 18 retailers as of November 1, 2026, with prices from $24,300 to $42,091, a $17,791 spread on the same certified stone. MOH London lists it at $42,091. 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
FluorescenceMedium
Crown angle35.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 2537381713
Dimensions8.17 × 8.13 × 5.10 mm
L/W Ratio1.00
Top View
8.17 mm8.13 mm2.09 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 2537381713
Side View
Table 57.0%Crown 35.5°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.6%

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: $42,091 AUD|Low: $24,300 AUD|High: $42,597 AUD|Avg: $30,574 AUD|-1.2%
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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
November 2, 2026
Retailer 13$24,300 AUD
Retailer 8$24,777 AUD
Retailer 15$26,950 AUD
Retailer 10$27,315 AUD
Retailer 7$28,055 AUD
Retailer 9$28,298 AUD
Retailer 5$28,649 AUD
Retailer 16$29,196 AUD
Retailer 6$29,551 AUD
Retailer 14$29,551 AUD
Retailer 2$29,724 AUD
Retailer 4$30,319 AUD
Retailer 3$30,536 AUD
Retailer 11$32,554 AUD
Retailer 12$37,266 AUD
Retailer 17$38,180 AUD
MOH London$42,091 AUD

33 data points across 17 retailers

18 retailers$24,300 AUD to $42,091 AUD

B+
Cheapest Retailer
-
$24,300 AUD
$17,030 USD
B+
Retailer 2
-
$24,777 AUD
$17,364 USD
View
B+
Retailer 3
-
$26,333 AUD
$18,455 USD
View
B
Retailer 4
-
$26,950 AUD
$18,887 USD
View
B+
Retailer 5
-
$27,315 AUD
£15,073 GBP
View
Retailer 6
-
$28,055 AUD
View
Price last confirmed 31 days ago
Retailer 7
-
$28,298 AUD
$19,832 USD
View
Price last confirmed 34 days ago
B+
Retailer 8
-
$28,649 AUD
$20,078 USD
View
B+
Retailer 9
-
$29,196 AUD
$20,461 USD
View
B+
Retailer 10
-
$29,551 AUD
$20,710 USD
View
B+
Retailer 11
-
$29,551 AUD
$20,710 USD
View
B+
Retailer 12
-
$29,724 AUD
£16,402 GBP
View
B
Retailer 13
-
$30,319 AUD
$21,248 USD
View
B
Retailer 14
-
$30,536 AUD
$21,400 USD
View
B
Retailer 15
-
$32,554 AUD
€21,728 EUR
View
B
Retailer 16
-
$37,266 AUD
ZAR 421,916 ZAR
View
B
Retailer 17
-
$38,180 AUD
$26,757 USD
View
Most Expensive
B
MOH London
5CD348787 · Nov 2
$42,091 AUD
£23,227 GBP
View
17 more retailers have this diamond
Prices start from $24,300 AUDSave up to $17,791 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
$24,300 AUD