Round|Natural|GIA

0.37ct E SI2 Round Natural Diamond

EX • E/SI2 • GIA 2497605850

Certificate GIA 2497605850

Diamond specifications and retailer prices

From £207 GBP
$276 USD
As of October 26, 2026
Save £277 GBP (57%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £963 GBP at NZ Jewellers · As of September 24, 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 E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2497605850. Listed at 12 retailers as of October 26, 2026, with a 134% 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
E
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 2497605850
Dimensions4.66 × 4.64 × 2.83 mm
L/W Ratio1.00
Star length50%
Lower girdle80%
Top View
4.66 mm4.64 mm0.37 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2497605850
Side View
Table 59.0%Crown 33°Girdle: MediumPavilion 41.6°Culet: NoneDepth 60.9%

Caratlytics Score

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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 26
Current: £403 GBP|Low: £207 GBP|High: £497 GBP|Avg: £316 GBP|+3.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 29, 2026
Retailer 4£207 GBP
Retailer 6£225 GBP
Retailer 2£264 GBP
Retailer 7£294 GBP
Retailer 5£360 GBP
Retailer 1£403 GBP
Retailer 3£484 GBP

41 data points across 7 retailers

12 retailers£207 GBP to £484 GBP

A
Cheapest Retailer
-
£207 GBP
$276 USD
A
Retailer 2
-
£213 GBP
$283 USD
View
Price last confirmed 21 days ago
A
Retailer 3
-
£225 GBP
$300 USD
View
Price last confirmed 35 days ago
A
Retailer 4
-
£229 GBP
$305 USD
View
Price last confirmed 17 days ago
A
Retailer 5
-
£237 GBP
$316 USD
View
Price last confirmed 14 days ago
A
Retailer 6
-
£264 GBP
View
A
Retailer 7
-
£286 GBP
$381 USD
View
Price last confirmed 20 days ago
A
Retailer 8
-
£294 GBP
$392 USD
View
A
Retailer 9
-
£360 GBP
$479 USD
View
A
Retailer 10
-
£403 GBP
€511 EUR
View
B+
Retailer 11
-
£484 GBP
View
Most Expensive
B
NZ Jewellers
c2b2a9be-863b-406a-8b7a-56b6e2dde4ad · Sep 24
£963 GBP
$1,282 USD
View
Price last confirmed 35 days ago
11 more retailers have this diamond
Prices start from £207 GBPSave up to £277 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
£207 GBP