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Round|Natural|GIA

2.09ct F SI1 Round Natural Diamond

EX • F/SI1 • GIA 6502955144

Certificate GIA 6502955144

Diamond specifications and retailer prices

From $26,036 AUD
$18,289 USD
As of November 2, 2026
Save $15,863 AUD (38%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $41,899 AUD at Diamond Quarter · As of October 29, 2026
View at Diamond Quarter

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 6502955144. Listed at 6 retailers as of October 29, 2026, with prices from $26,036 to $41,899, a $15,863 spread on the same certified stone. Diamond Quarter lists it at $41,899. 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°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 6502955144
Dimensions8.09 × 8.14 × 5.14 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
8.09 mm8.14 mm2.09 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6502955144
Side View
Table 56.0%Crown 36°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 63.3%

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 2
Current: $28,911 AUD|Low: $22,141 AUD|High: $39,206 AUD|Avg: $30,693 AUD|-4.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 2, 2026
Retailer 3$26,036 AUD
Retailer 5$26,378 AUD
Retailer 1$28,911 AUD
Retailer 4$34,870 AUD
Retailer 2$38,441 AUD

25 data points across 5 retailers

6 retailers$26,036 AUD to $41,899 AUD

B+
Cheapest Retailer
-
$26,036 AUD
$18,289 USD
Final sale: no returns
B+
Retailer 2
-
$26,378 AUD
$18,529 USD
View
B+
Retailer 3
-
$28,911 AUD
€19,341 EUR
View
B
Retailer 4
-
$34,870 AUD
$24,494 USD
View
B
Retailer 5
-
$38,441 AUD
£21,262 GBP
View
Most Expensive
B
Diamond Quarter
2.09SI1F65445C08N · Oct 29
$41,899 AUD
£23,174 GBP
View
5 more retailers have this diamond
Prices start from $26,036 AUDSave up to $15,863 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
$26,036 AUD