Round|Natural|IGI

2.03ct M SI1 Round Natural Diamond

EX • M/SI1 • IGI 536285368

Shape and cutting style on the report: Round brilliant

Certificate IGI 536285368

Diamond specifications and retailer prices

From £4,044 GBP
As of November 5, 2026
Save £1,306 GBP (24%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £7,756 GBP at NZ Jewellers · As of October 20, 2026
View at NZ Jewellers

About this 2.03ct natural round diamond

This 2.03ct natural round sits in the two to three carat band, graded M colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI 536285368. Listed at 20 retailers as of November 4, 2026, with a 32% 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

2.03
Carat
M
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.5°
Pavilion angle41.6°
OriginNatural
Grading LabIGI
CertificateIGI 536285368
Dimensions8.10 × 8.16 × 5.04 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
8.10 mm8.16 mm2.03 ctM / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 536285368
Side View
Table 56.5%Crown 32.5°GirdlePavilion 41.6°CuletDepth 62.0%

Caratlytics Score

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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 5
Current: £5,325 GBP|Low: £4,044 GBP|High: £5,325 GBP|Avg: £4,678 GBP|+0.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 5, 2026
Retailer 6£4,044 GBP
Retailer 5£4,317 GBP
Retailer 4£4,637 GBP
Retailer 2£4,740 GBP
Retailer 3£5,028 GBP
Retailer 1£5,325 GBP

17 data points across 6 retailers

20 retailers£4,044 GBP to £5,350 GBP

B+
Cheapest Retailer
-
£4,044 GBP
B+
Retailer 2
-
£4,317 GBP
View
Retailer 3
-
£4,637 GBP
View
Price last confirmed 21 days ago
Retailer 4
-
£4,637 GBP
View
Price last confirmed 27 days ago
Retailer 5
-
£4,637 GBP
View
Price last confirmed 8 days ago
B+
Retailer 6
-
£4,637 GBP
View
Retailer 7
-
£4,637 GBP
View
Price last confirmed 22 days ago
Retailer 8
-
£4,637 GBP
View
Price last confirmed 12 days ago
Retailer 9
-
£4,637 GBP
View
Price last confirmed 12 days ago
Retailer 10
-
£4,637 GBP
View
Price last confirmed 8 days ago
Retailer 11
-
£4,637 GBP
View
Price last confirmed 8 days ago
Retailer 12
-
£4,637 GBP
View
Price last confirmed 23 days ago
B+
Retailer 13
-
£4,740 GBP
View
B
Retailer 14
-
£5,028 GBP
View
B
Retailer 15
-
£5,325 GBP
View
Retailer 16
-
£5,350 GBP
View
Price last confirmed 24 days ago
B
Retailer 17
-
£5,350 GBP
View
Retailer 18
-
£5,350 GBP
View
Price last confirmed 16 days ago
Retailer 19
-
£7,756 GBP
View
Price last confirmed 23 days ago
Most Expensive
NZ Jewellers
5c73f13e-4c81-4f2a-9197-ff198be051bb · Oct 20
£7,756 GBP
$10,439 USD
View
Price last confirmed 16 days ago
19 more retailers have this diamond
Prices start from £4,044 GBPSave up to £1,306 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+
2.03ct Round
£4,044 GBP