Round|Natural|GIA

2.09ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 3505523448

Certificate GIA 3505523448

Diamond specifications and retailer prices

From $13,888 USD
HK$108,500 HKD
As of October 30, 2026
Save $4,118 USD (23%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $18,193 USD at Moon Ocean · As of October 22, 2026
View at Moon Ocean

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 8 retailers as of October 30, 2026, with a 30% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
Color
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: Oct 30
Current: $18,193 USD|Low: $13,888 USD|High: $18,913 USD|Avg: $16,193 USD
Moon Ocean
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 31, 2026
Retailer 6$13,888 USD
Retailer 4$14,954 USD
Retailer 8$14,992 USD
Retailer 3$15,216 USD
Retailer 7$16,955 USD
Retailer 2$18,006 USD
Moon Ocean$18,193 USD
Retailer 5$18,913 USD

46 data points across 8 retailers

8 retailers$13,888 USD to $18,006 USD

B+
Cheapest Retailer
-
$13,888 USD
HK$108,500 HKD
Retailer 2
-
$14,954 USD
View
Price last confirmed 8 days ago
B+
Retailer 3
-
$14,992 USD
View
B+
Retailer 4
-
$15,216 USD
₹1,449,133 INR
View
B+
Retailer 5
-
$15,369 USD
A$23,644 AUD
View
B
Retailer 6
-
$16,955 USD
View
B
Retailer 7
-
$18,006 USD
£14,178 GBP
View
Most Expensive
Moon Ocean
NVN-AEBD988D6-448 · Oct 22
$18,193 USD
£14,325 GBP
View
Price last confirmed 9 days ago
7 more retailers have this diamond
Prices start from $13,888 USDSave up to $4,118 USD

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
$13,888 USD