Round|Natural|IGI

0.37ct I SI2 Round Natural Diamond

EX • I/SI2 • IGI 797682203

Shape and cutting style on the report: Round brilliant

Certificate IGI 797682203

Diamond specifications and retailer prices

From £102 GBP
₹12,877 INR
As of October 29, 2026
Save £238 GBP (70%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £705 GBP at NZ Jewellers · As of October 3, 2026
View at NZ Jewellers

About this 0.37ct natural round diamond

This 0.37ct natural round sits in the sub-half-carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI 797682203. Listed at 9 retailers as of October 29, 2026, with a 234% 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

0.37
Carat
I
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle41°
OriginNatural
Grading LabIGI
CertificateIGI 797682203
Dimensions4.56 × 4.60 × 2.86 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
4.56 mm4.60 mm0.37 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 797682203
Side View
Table 57.0%Crown 36°Girdle: THN-MEDPavilion 41°Culet: NoneDepth 62.5%

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: Oct 29
Current: £244 GBP|Low: £101 GBP|High: £367 GBP|Avg: £235 GBP|-4.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 30, 2026
Retailer 2£102 GBP
Retailer 6£159 GBP
Retailer 1£244 GBP
Retailer 5£266 GBP
Retailer 4£306 GBP
Retailer 3£340 GBP

45 data points across 6 retailers

9 retailers£102 GBP to £340 GBP

A
Cheapest Retailer
-
£102 GBP
₹12,877 INR
Retailer 2
-
£155 GBP
$207 USD
View
Price last confirmed 29 days ago
Retailer 3
-
£174 GBP
$232 USD
View
Price last confirmed 31 days ago
Retailer 4
-
£210 GBP
$279 USD
View
Price last confirmed 28 days ago
A
Retailer 5
-
£244 GBP
$325 USD
View
A
Retailer 6
-
£266 GBP
€337 EUR
View
A
Retailer 7
-
£306 GBP
$408 USD
View
B+
Retailer 8
-
£340 GBP
View
Most Expensive
NZ Jewellers
d87269dd-d815-486a-827b-bc62dc9d9f62 · Oct 3
£705 GBP
$939 USD
View
Price last confirmed 27 days ago
8 more retailers have this diamond
Prices start from £102 GBPSave up to £238 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
0.37ct Round
£102 GBP