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Round|Natural|GIA

2.09ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 2245009307

Certificate GIA 2245009307

Diamond specifications and retailer prices

From £11,834 GBP
$15,856 USD
As of October 31, 2026
Save £7,584 GBP (39%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £19,418 GBP at MOH London · As of October 26, 2026
View at MOH London

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 2245009307. Listed at 10 retailers as of October 26, 2026, with prices from £11,834 to £19,418, a £7,584 spread on the same certified stone. MOH London lists it at £19,418. 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 angle34.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2245009307
Dimensions8.26 × 8.27 × 5.03 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Needle
Top View
8.26 mm8.27 mm2.09 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2245009307
Side View
Table 58.0%Crown 34.5°Girdle: MediumPavilion 40.8°Culet: NoneDepth 60.9%

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 31
Current: £19,418 GBP|Low: £11,761 GBP|High: £23,522 GBP|Avg: £14,467 GBP|-0.8%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 31, 2026
Retailer 8£11,761 GBP
Retailer 9£11,834 GBP
Retailer 3£12,840 GBP
Retailer 2£13,075 GBP
Retailer 7£13,075 GBP
Retailer 4£14,584 GBP
Retailer 10£14,584 GBP
Retailer 6£15,046 GBP
Retailer 5£17,591 GBP
MOH London£19,418 GBP

19 data points across 10 retailers

10 retailers£11,834 GBP to £19,418 GBP

Retailer 1
-
£11,761 GBP
CA$21,886 CAD
Price last confirmed 9 days ago
B+
Retailer 2
-
£11,834 GBP
$15,856 USD
View
B+
Retailer 3
-
£12,840 GBP
View
B+
Retailer 4
-
£13,075 GBP
$17,519 USD
View
Retailer 5
-
£13,075 GBP
$17,519 USD
View
Price last confirmed 10 days ago
B
Retailer 6
-
£14,584 GBP
€18,610 EUR
View
B
Retailer 7
-
£14,584 GBP
$19,541 USD
View
Retailer 8
-
£15,046 GBP
$20,161 USD
View
Price last confirmed 8 days ago
Retailer 9
-
£17,591 GBP
$23,570 USD
View
Price last confirmed 8 days ago
Most Expensive
B
MOH London
4ECF3252F · Oct 26
£19,418 GBP
View
9 more retailers have this diamond
Prices start from £11,834 GBPSave up to £7,584 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
£11,834 GBP