Round|Natural|GIA

2.09ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 3505523448

Certificate GIA 3505523448

Diamond specifications and retailer prices

From £10,365 GBP
HK$108,500 HKD
As of October 30, 2026
Save £3,074 GBP (23%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £13,578 GBP 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
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: Oct 30
Current: £13,578 GBP|Low: £10,365 GBP|High: £14,115 GBP|Avg: £12,092 GBP
Moon Ocean
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 6£10,365 GBP
Retailer 4£11,161 GBP
Retailer 8£11,189 GBP
Retailer 3£11,317 GBP
Retailer 7£12,654 GBP
Retailer 2£13,439 GBP
Moon Ocean£13,578 GBP
Retailer 5£14,115 GBP

46 data points across 8 retailers

8 retailers£10,365 GBP to £13,439 GBP

B+
Cheapest Retailer
-
£10,365 GBP
HK$108,500 HKD
Retailer 2
-
£11,161 GBP
$14,954 USD
View
Price last confirmed 9 days ago
B+
Retailer 3
-
£11,189 GBP
$14,992 USD
View
B+
Retailer 4
-
£11,317 GBP
₹1,444,105 INR
View
B+
Retailer 5
-
£11,470 GBP
A$23,644 AUD
View
B
Retailer 6
-
£12,654 GBP
$16,955 USD
View
B
Retailer 7
-
£13,439 GBP
View
Most Expensive
Moon Ocean
NVN-AEBD988D6-448 · Oct 22
£13,578 GBP
View
Price last confirmed 10 days ago
7 more retailers have this diamond
Prices start from £10,365 GBPSave up to £3,074 GBP

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
£10,365 GBP