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Round|Natural|IGI

2.05ct I SI1 Round Natural Diamond

VG • I/SI1 • IGI 571383808

Shape and cutting style on the report: Round brilliant

Certificate IGI 571383808

Diamond specifications and retailer prices

From £5,636 GBP
As of November 5, 2026
Save £4,524 GBP (45%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £10,160 GBP at MOH London · As of November 4, 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 very-good cut grade and certified by IGI 571383808. Listed at 5 retailers as of November 4, 2026, with prices from £5,636 to £10,160, a £4,524 spread on the same certified stone. MOH London lists it at £10,160. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

2.05
Carat
I
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceFaint
Crown angle37.7°
Pavilion angle41.3°
OriginNatural
Grading LabIGI
CertificateIGI 571383808
Dimensions7.82 × 7.95 × 5.16 mm
L/W Ratio1.02
Girdle conditionPARTLY FACETED
Culet sizePointed
Top View
7.82 mm7.95 mm2.05 ctI / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateIGI 571383808
Side View
Table 56.5%Crown 37.7°Girdle: STK-THKPavilion 41.3°Culet: NoneDepth 65.1%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: £10,160 GBP|Low: £5,636 GBP|High: £10,310 GBP|Avg: £7,591 GBP|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
November 6, 2026
Retailer 4£5,636 GBP
Retailer 2£6,766 GBP
Retailer 3£7,558 GBP
MOH London£10,160 GBP

43 data points across 4 retailers

5 retailers£5,636 GBP to £10,160 GBP

A
Cheapest Retailer
-
£5,636 GBP
B+
Retailer 2
-
£6,766 GBP
View
B+
Retailer 3
-
£7,469 GBP
View
B+
Retailer 4
-
£7,558 GBP
View
Most Expensive
B
MOH London
E4DAEA5A1 · Nov 4
£10,160 GBP
View
4 more retailers have this diamond
Prices start from £5,636 GBPSave up to £4,524 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.

A
2.05ct Round
£5,636 GBP