Round|Natural|GIA

0.37ct E SI2 Round Natural Diamond

EX • E/SI2 • GIA 2507165084

Shape and cutting style on the report: Round brilliant

Certificate GIA 2507165084

Diamond specifications and retailer prices

From £335 GBP
$446 USD
As of October 28, 2026
Save £1,081 GBP (76%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £1,416 GBP at NZ Jewellers · As of October 26, 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 2507165084. Listed at 14 retailers as of October 26, 2026, with prices from £335 to £1,416, a £1,081 spread on the same certified stone. NZ Jewellers lists it at £1,416. 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 angle35.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 2507165084
Dimensions4.57 × 4.59 × 2.87 mm
L/W Ratio1.00
Star length45%
Lower girdle80%
Top View
4.57 mm4.59 mm0.37 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2507165084
Side View
Table 58.0%Crown 35.5°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.6%

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: £1,416 GBP|Low: £402 GBP|High: £1,416 GBP|Avg: £719 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 29, 2026
Retailer 5£410 GBP
Retailer 2£458 GBP
Retailer 4£498 GBP
Retailer 3£858 GBP
NZ Jewellers£1,416 GBP

44 data points across 5 retailers

14 retailers£335 GBP to £1,416 GBP

A
Cheapest Retailer
-
£335 GBP
$446 USD
A
Retailer 2
-
£345 GBP
$460 USD
View
Price last confirmed 35 days ago
A
Retailer 3
-
£348 GBP
$464 USD
View
Price last confirmed 22 days ago
A
Retailer 4
-
£360 GBP
$480 USD
View
A
Retailer 5
-
£360 GBP
$480 USD
View
A
Retailer 6
-
£386 GBP
$514 USD
View
B+
Retailer 7
-
£436 GBP
$580 USD
View
B+
Retailer 8
-
£436 GBP
$580 USD
View
B+
Retailer 9
-
£451 GBP
$600 USD
View
B+
Retailer 10
-
£458 GBP
View
B+
Retailer 11
-
£498 GBP
€632 EUR
View
B
Retailer 12
-
£734 GBP
View
B
Retailer 13
-
£858 GBP
View
Most Expensive
B
NZ Jewellers
de3fd185-9cb3-48d6-82dc-d8dbf7b9bcb2 · Oct 26
£1,416 GBP
$1,886 USD
View
13 more retailers have this diamond
Prices start from £335 GBPSave up to £1,081 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
£335 GBP