Round|Natural|GIA

2.05ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 1433410936

Certificate GIA 1433410936

Diamond specifications and retailer prices

From £11,992 GBP
As of November 1, 2026
Save £3,773 GBP (24%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £21,265 GBP at MOH London · As of October 21, 2026
View at MOH London

About this 2.05ct natural round diamond

This 2.05ct natural round sits in the two to three carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1433410936. Listed at 20 retailers as of November 1, 2026, with a 31% 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

2.05
Carat
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle33°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 1433410936
Dimensions8.18 × 8.12 × 5.03 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
8.18 mm8.12 mm2.05 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1433410936
Side View
Table 59.0%Crown 33°Girdle: Slightly ThickPavilion 41.6°Culet: NoneDepth 61.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: £21,265 GBP|Low: £11,992 GBP|High: £21,406 GBP|Avg: £15,229 GBP|-0.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 5, 2026
Retailer 6£11,992 GBP
Retailer 2£12,573 GBP
Retailer 7£12,979 GBP
Retailer 4£14,217 GBP
Retailer 9£14,221 GBP
Retailer 8£14,331 GBP
Retailer 3£15,719 GBP
Retailer 5£18,364 GBP
MOH London£21,265 GBP

40 data points across 9 retailers

20 retailers£11,992 GBP to £15,765 GBP

B+
Cheapest Retailer
-
£11,992 GBP
B+
Retailer 2
-
£12,413 GBP
View
Retailer 3
-
£12,451 GBP
View
Price last confirmed 14 days ago
B+
Retailer 4
-
£12,573 GBP
View
B+
Retailer 5
-
£12,712 GBP
View
Retailer 6
-
£13,240 GBP
View
Price last confirmed 14 days ago
Retailer 7
-
£13,544 GBP
View
Price last confirmed 21 days ago
Retailer 8
-
£14,217 GBP
View
Price last confirmed 14 days ago
Retailer 9
-
£14,221 GBP
View
Price last confirmed 15 days ago
Retailer 10
-
£14,331 GBP
View
Price last confirmed 33 days ago
Retailer 11
-
£14,673 GBP
View
Price last confirmed 15 days ago
B
Retailer 12
-
£14,912 GBP
View
B
Retailer 13
-
£14,912 GBP
View
Retailer 14
-
£15,236 GBP
View
Price last confirmed 16 days ago
B
Retailer 15
-
£15,410 GBP
View
B
Retailer 16
-
£15,719 GBP
View
B
Retailer 17
-
£15,765 GBP
View
Retailer 18
-
£18,364 GBP
View
Price last confirmed 15 days ago
Retailer 19
-
£19,187 GBP
View
Price last confirmed 17 days ago
Most Expensive
MOH London
F0EC231F0 · Oct 21
£21,265 GBP
View
Price last confirmed 16 days ago
19 more retailers have this diamond
Prices start from £11,992 GBPSave up to £3,773 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+
2.05ct Round
£11,992 GBP