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Round|Natural|GIA

2.09ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 1558673626

Certificate GIA 1558673626

Diamond specifications and retailer prices

From £11,950 GBP
CA$22,239 CAD
As of October 27, 2026
Save £7,778 GBP (39%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £19,728 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 1558673626. Listed at 15 retailers as of October 26, 2026, with prices from £11,950 to £19,728, a £7,778 spread on the same certified stone. MOH London lists it at £19,728. 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
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 1558673626
Dimensions8.06 × 8.13 × 5.06 mm
L/W Ratio1.01
Key to symbols
Crystal, Needle
Top View
8.06 mm8.13 mm2.09 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1558673626
Side View
Table 59.0%CrownGirdle: MED-STKPavilion 41°Culet: NoneDepth 62.5%

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 27
Current: £19,728 GBP|Low: £9,868 GBP|High: £19,940 GBP|Avg: £13,372 GBP|-0.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
October 27, 2026
Retailer 7£9,868 GBP
Retailer 6£10,426 GBP
Retailer 8£11,121 GBP
Retailer 5£11,566 GBP
Retailer 14£11,950 GBP
Retailer 4£12,025 GBP
Retailer 2£13,076 GBP
Retailer 11£13,286 GBP
Retailer 12£13,286 GBP
Retailer 3£14,150 GBP
Retailer 15£14,150 GBP
Retailer 16£14,621 GBP
Retailer 13£14,819 GBP
Retailer 9£15,240 GBP
Retailer 10£15,289 GBP
MOH London£19,728 GBP

30 data points across 16 retailers

15 retailers£11,950 GBP to £19,728 GBP

Retailer 1
-
£9,868 GBP
HK$103,300 HKD
Price last confirmed 52 days ago
B+
Retailer 2
-
£11,950 GBP
CA$22,239 CAD
View
B
Retailer 3
-
£12,025 GBP
$16,112 USD
View
B+
Retailer 4
-
£13,076 GBP
View
B+
Retailer 5
-
£13,286 GBP
$17,802 USD
View
Retailer 6
-
£13,286 GBP
$17,802 USD
View
Price last confirmed 10 days ago
B
Retailer 7
-
£14,150 GBP
$18,960 USD
View
B
Retailer 8
-
£14,150 GBP
$18,960 USD
View
B
Retailer 9
-
£14,621 GBP
$19,590 USD
View
B
Retailer 10
-
£14,819 GBP
$19,856 USD
View
B
Retailer 11
-
£15,240 GBP
€19,448 EUR
View
Retailer 12
-
£15,289 GBP
$20,486 USD
View
Price last confirmed 8 days ago
Retailer 13
-
£17,872 GBP
$23,946 USD
View
Price last confirmed 35 days ago
Retailer 14
-
£17,872 GBP
$23,946 USD
View
Price last confirmed 37 days ago
Most Expensive
B
MOH London
6F435FB4A · Oct 26
£19,728 GBP
View
14 more retailers have this diamond
Prices start from £11,950 GBPSave up to £7,778 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
£11,950 GBP