CaratHunter
Plans
Round|Natural|GIA

2.09ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 3505523448

Certificate GIA 3505523448

Diamond specifications and retailer prices

From $19,839 AUD
As of November 6, 2026
Save $5,844 AUD (23%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $25,683 AUD at 77 Diamonds · As of November 6, 2026
View at 77 Diamonds

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 3505523448. Listed at 7 retailers as of November 6, 2026, with prices from $19,839 to $25,683, a $5,844 spread on the same certified stone. 77 Diamonds lists it at $25,683. 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 angle35.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 3505523448
Dimensions8.10 × 8.14 × 5.10 mm
L/W Ratio1.00
Star length50%
Lower girdle80%
Top View
8.10 mm8.14 mm2.09 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 3505523448
Side View
Table 57.0%Crown 35.5°Girdle: STK-STKPavilion 41°Culet: NoneDepth 62.8%

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 6
Current: $25,683 AUD|Low: $19,839 AUD|High: $27,016 AUD|Avg: $23,203 AUD|+4.0%
77 Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 7$19,839 AUD
Retailer 4$21,362 AUD
Retailer 8$21,416 AUD
Retailer 2$21,556 AUD
Retailer 3$24,220 AUD
77 Diamonds$25,683 AUD
Retailer 5$25,987 AUD
Retailer 6$27,016 AUD

46 data points across 8 retailers

7 retailers$19,839 AUD to $25,683 AUD

B+
Cheapest Retailer
-
$19,839 AUD
Retailer 2
-
$21,362 AUD
View
Price last confirmed 14 days ago
B+
Retailer 3
-
$21,416 AUD
View
B+
Retailer 4
-
$21,556 AUD
View
B+
Retailer 5
-
$21,953 AUD
View
B
Retailer 6
-
$24,220 AUD
View
Most Expensive
B
77 Diamonds
RBZYDF7QTQP · Nov 6
$25,683 AUD
£14,157 GBP
View
6 more retailers have this diamond
Prices start from $19,839 AUDSave up to $5,844 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
$19,839 AUD