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Round|Natural|GIA

2.09ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 3555483375

Certificate GIA 3555483375

Diamond specifications and retailer prices

From £15,059 GBP
$20,177 USD
As of October 30, 2026
Save £8,242 GBP (35%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £23,301 GBP at MOH London · As of October 29, 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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 3555483375. Listed at 10 retailers as of October 29, 2026, with prices from £15,059 to £23,301, a £8,242 spread on the same certified stone. MOH London lists it at £23,301. 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
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 3555483375
Dimensions8.20 × 8.25 × 5.02 mm
L/W Ratio1.01
Top View
8.20 mm8.25 mm2.09 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 3555483375
Side View
Table 60.0%CrownGirdlePavilionCulet: NoneDepth 61.1%

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: £23,301 GBP|Low: £13,402 GBP|High: £23,301 GBP|Avg: £16,913 GBP|+0.4%
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
October 30, 2026
Retailer 5£13,402 GBP
Retailer 14£15,059 GBP
Retailer 7£15,171 GBP
Retailer 9£15,286 GBP
Retailer 12£15,698 GBP
Retailer 10£15,975 GBP
Retailer 6£16,487 GBP
Retailer 13£17,080 GBP
Retailer 4£17,744 GBP
Retailer 2£18,007 GBP
Retailer 11£18,217 GBP
Retailer 3£18,499 GBP
Retailer 8£20,411 GBP
MOH London£23,301 GBP

9 data points across 14 retailers

10 retailers£15,059 GBP to £23,301 GBP

B+
Cheapest Retailer
-
£15,059 GBP
$20,177 USD
B+
Retailer 2
-
£15,171 GBP
View
B+
Retailer 3
-
£15,286 GBP
A$31,511 AUD
View
B+
Retailer 4
-
£15,698 GBP
$21,034 USD
View
Final sale: no returns
B+
Retailer 5
-
£15,975 GBP
$21,405 USD
View
B+
Retailer 6
-
£17,080 GBP
$22,885 USD
View
B+
Retailer 7
-
£18,007 GBP
€22,978 EUR
View
B
Retailer 8
-
£18,217 GBP
$24,409 USD
View
B
Retailer 9
-
£20,411 GBP
ZAR 441,819 ZAR
View
Most Expensive
B
MOH London
D32895585 · Oct 29
£23,301 GBP
View
9 more retailers have this diamond
Prices start from £15,059 GBPSave up to £8,242 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
£15,059 GBP