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Round|Natural|IGI

2.15ct M SI1 Round Natural Diamond

EX • M/SI1 • IGI 776683601

Shape and cutting style on the report: Round brilliant

Certificate IGI 776683601

Diamond specifications and retailer prices

From £4,283 GBP
As of November 5, 2026
Save £3,930 GBP (48%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £8,212 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 2.15ct natural round diamond

This 2.15ct 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 776683601. Listed at 11 retailers as of November 5, 2026, with prices from £4,283 to £8,212, a £3,930 spread on the same certified stone. NZ Jewellers lists it at £8,212. 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

2.15
Carat
M
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle41°
OriginNatural
Grading LabIGI
CertificateIGI 776683601
Dimensions8.15 × 8.20 × 5.15 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
8.15 mm8.20 mm2.15 ctM / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 776683601
Side View
Table 58.0%Crown 36.3°Girdle: Slightly ThickPavilion 41°Culet: NoneDepth 63.1%

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: £8,212 GBP|Low: £2,390 GBP|High: £8,212 GBP|Avg: £5,300 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 6, 2026
Retailer 5£2,390 GBP
Retailer 8£4,283 GBP
Retailer 13£4,532 GBP
Retailer 9£4,558 GBP
Retailer 2£4,902 GBP
Retailer 11£4,910 GBP
Retailer 10£4,985 GBP
Retailer 3£5,028 GBP
Retailer 7£5,323 GBP
Retailer 6£5,639 GBP
Retailer 12£5,665 GBP
Retailer 4£7,931 GBP
NZ Jewellers£8,212 GBP

37 data points across 13 retailers

11 retailers£4,283 GBP to £8,212 GBP

B+
Cheapest Retailer
-
£4,283 GBP
Retailer 2
-
£4,532 GBP
View
Price last confirmed 8 days ago
B+
Retailer 3
-
£4,558 GBP
View
B+
Retailer 4
-
£4,902 GBP
View
B+
Retailer 5
-
£4,910 GBP
View
B+
Retailer 6
-
£4,985 GBP
View
B+
Retailer 7
-
£5,028 GBP
View
B
Retailer 8
-
£5,323 GBP
View
B
Retailer 9
-
£5,639 GBP
View
B
Retailer 10
-
£5,665 GBP
View
Most Expensive
C
NZ Jewellers
df87ccad-cdfb-4b65-8f92-06962261357a · Nov 5
£8,212 GBP
$11,053 USD
View
10 more retailers have this diamond
Prices start from £4,283 GBPSave up to £3,930 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+
2.15ct Round
£4,283 GBP