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Round|Natural|GIA

2.09ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 5436864833

Certificate GIA 5436864833

Diamond specifications and retailer prices

From $19,712 AUD
As of November 4, 2026
Save $6,401 AUD (25%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $26,113 AUD at 77 Diamonds · As of November 5, 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 5436864833. Listed at 5 retailers as of November 4, 2026, with prices from $19,712 to $26,113, a $6,401 spread on the same certified stone. 77 Diamonds lists it at $26,113. 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
FluorescenceFaint
Crown angle36°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 5436864833
Dimensions8.14 × 8.08 × 5.03 mm
L/W Ratio1.01
Top View
8.14 mm8.08 mm2.09 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 5436864833
Side View
Table 59.0%Crown 36°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.3%

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 4
Current: $26,113 AUD|Low: $19,712 AUD|High: $26,545 AUD|Avg: $22,344 AUD|-0.2%
77 Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 5, 2026
Retailer 3$19,712 AUD
Retailer 2$20,659 AUD
Retailer 4$20,882 AUD
Retailer 6$22,163 AUD
Retailer 5$24,322 AUD
77 Diamonds$26,113 AUD

33 data points across 6 retailers

5 retailers$19,712 AUD to $26,113 AUD

B+
Cheapest Retailer
-
$19,712 AUD
B+
Retailer 2
-
$20,659 AUD
View
B+
Retailer 3
-
$20,882 AUD
View
B+
Retailer 4
-
$22,163 AUD
View
Most Expensive
B
77 Diamonds
RBZEBKAUFZY · Nov 5
$26,113 AUD
£14,394 GBP
View
4 more retailers have this diamond
Prices start from $19,712 AUDSave up to $6,401 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
$19,712 AUD