Round|Natural|GIA

2.09ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 2245009307

Certificate GIA 2245009307

Diamond specifications and retailer prices

From $22,510 AUD
As of November 5, 2026
Save $14,508 AUD (39%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $37,019 AUD at MOH London · As of November 4, 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 H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2245009307. Listed at 12 retailers as of November 4, 2026, with prices from $22,510 to $37,019, a $14,508 spread on the same certified stone. MOH London lists it at $37,019. 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
H
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2245009307
Dimensions8.26 × 8.27 × 5.03 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Needle
Top View
8.26 mm8.27 mm2.09 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2245009307
Side View
Table 58.0%Crown 34.5°Girdle: MediumPavilion 40.8°Culet: NoneDepth 60.9%

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 5
Current: $37,019 AUD|Low: $22,510 AUD|High: $45,022 AUD|Avg: $27,657 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
November 6, 2026
Retailer 10$22,510 AUD
Retailer 4$22,650 AUD
Retailer 2$24,539 AUD
Retailer 3$25,026 AUD
Retailer 11$25,026 AUD
Retailer 6$25,864 AUD
Retailer 5$27,757 AUD
Retailer 12$27,914 AUD
Retailer 8$28,799 AUD
Retailer 7$29,827 AUD
Retailer 9$33,670 AUD
MOH London$37,019 AUD

25 data points across 12 retailers

12 retailers$22,510 AUD to $37,019 AUD

B+
Cheapest Retailer
-
$22,510 AUD
B+
Retailer 2
-
$22,650 AUD
View
B+
Retailer 3
-
$24,539 AUD
View
B+
Retailer 4
-
$25,026 AUD
View
B+
Retailer 5
-
$25,026 AUD
View
B
Retailer 6
-
$25,864 AUD
View
B
Retailer 7
-
$27,757 AUD
View
B
Retailer 8
-
$27,914 AUD
View
B
Retailer 9
-
$28,799 AUD
View
B
Retailer 10
-
$29,827 AUD
View
B
Retailer 11
-
$33,670 AUD
View
Most Expensive
B
MOH London
4ECF3252F · Nov 4
$37,019 AUD
£20,405 GBP
View
11 more retailers have this diamond
Prices start from $22,510 AUDSave up to $14,508 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
$22,510 AUD