Round|Natural|IGI

0.37ct I SI2 Round Natural Diamond

EX • I/SI2 • IGI 809629163

Shape and cutting style on the report: Round brilliant

Certificate IGI 809629163

Diamond specifications and retailer prices

From £103 GBP
₹13,058 INR
As of October 30, 2026
Save £578 GBP (85%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £681 GBP at NZ Jewellers · As of October 30, 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 809629163. Listed at 12 retailers as of October 30, 2026, with prices from £103 to £681, a £578 spread on the same certified stone. NZ Jewellers lists it at £681. 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
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle35°
Pavilion angle40.2°
OriginNatural
Grading LabIGI
CertificateIGI 809629163
Dimensions4.62 × 4.63 × 2.83 mm
L/W Ratio1.00
Girdle conditionFaceted
Top View
4.62 mm4.63 mm0.37 ctI / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI 809629163
Side View
Table 56.0%Crown 35°Girdle: MED-STKPavilion 40.2°CuletDepth 61.3%

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 30
Current: £681 GBP|Low: £102 GBP|High: £681 GBP|Avg: £251 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
October 30, 2026
Retailer 2£103 GBP
Retailer 11£150 GBP
Retailer 3£161 GBP
Retailer 9£162 GBP
Retailer 8£167 GBP
Retailer 12£203 GBP
Retailer 10£248 GBP
Retailer 7£266 GBP
Retailer 4£276 GBP
Retailer 5£310 GBP
Retailer 6£349 GBP
NZ Jewellers£681 GBP

42 data points across 12 retailers

12 retailers£103 GBP to £681 GBP

A
Cheapest Retailer
-
£103 GBP
₹13,058 INR
B+
Retailer 2
-
£150 GBP
$200 USD
View
Retailer 3
-
£161 GBP
$215 USD
View
Price last confirmed 36 days ago
B+
Retailer 4
-
£162 GBP
$216 USD
View
B+
Retailer 5
-
£167 GBP
$223 USD
View
B+
Retailer 6
-
£203 GBP
$270 USD
View
B+
Retailer 7
-
£248 GBP
$330 USD
View
B+
Retailer 8
-
£266 GBP
€337 EUR
View
B+
Retailer 9
-
£276 GBP
$368 USD
View
B+
Retailer 10
-
£310 GBP
View
B+
Retailer 11
-
£349 GBP
View
Most Expensive
C
NZ Jewellers
d9cf7e72-2d0e-4b92-83bd-edf023973dcd · Oct 30
£681 GBP
$907 USD
View
11 more retailers have this diamond
Prices start from £103 GBPSave up to £578 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
£103 GBP