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Round|Natural|IGI

0.37ct I SI2 Round Natural Diamond

EX • I/SI2 • IGI 692523063

Shape and cutting style on the report: Round brilliant

Certificate IGI 692523063

Diamond specifications and retailer prices

From £157 GBP
$210 USD
As of October 28, 2026
Save £554 GBP (78%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £711 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 692523063. Listed at 11 retailers as of October 28, 2026, with prices from £157 to £711, a £554 spread on the same certified stone. NZ Jewellers lists it at £711. 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 angle36.1°
Pavilion angle40.5°
OriginNatural
Grading LabIGI
CertificateIGI 692523063
Dimensions4.58 × 4.56 × 2.85 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
4.58 mm4.56 mm0.37 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 692523063
Side View
Table 57.0%Crown 36.1°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 62.4%

Caratlytics Score

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

Price History

Last verified: Oct 28
Current: £711 GBP|Low: £157 GBP|High: £711 GBP|Avg: £263 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
October 28, 2026
Retailer 11£157 GBP
Retailer 9£159 GBP
Retailer 7£164 GBP
Retailer 13£169 GBP
Retailer 8£175 GBP
Retailer 10£206 GBP
Retailer 12£211 GBP
Retailer 5£237 GBP
Retailer 4£254 GBP
Retailer 2£279 GBP
Retailer 3£311 GBP
Retailer 6£363 GBP
NZ Jewellers£711 GBP

24 data points across 13 retailers

11 retailers£157 GBP to £711 GBP

A
Cheapest Retailer
-
£157 GBP
$210 USD
Retailer 2
-
£164 GBP
$220 USD
View
Price last confirmed 9 days ago
Retailer 3
-
£168 GBP
$225 USD
View
Price last confirmed 37 days ago
A
Retailer 4
-
£169 GBP
$226 USD
View
A
Retailer 5
-
£175 GBP
$234 USD
View
A
Retailer 6
-
£206 GBP
$276 USD
View
A
Retailer 7
-
£211 GBP
$283 USD
View
A
Retailer 8
-
£254 GBP
$340 USD
View
A
Retailer 9
-
£279 GBP
€356 EUR
View
B+
Retailer 10
-
£363 GBP
View
Most Expensive
C
NZ Jewellers
0b8860f1-efea-48fa-9947-8f550276ca93 · Oct 30
£711 GBP
$952 USD
View
10 more retailers have this diamond
Prices start from £157 GBPSave up to £554 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
£157 GBP