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Round|Natural|GIA

0.37ct E SI2 Round Natural Diamond

EX • E/SI2 • GIA 2556358382

Certificate GIA 2556358382

Diamond specifications and retailer prices

From £294 GBP
$391 USD
As of October 28, 2026
Save £949 GBP (76%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £1,243 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 2556358382. Listed at 18 retailers as of October 26, 2026, with prices from £294 to £1,243, a £949 spread on the same certified stone. NZ Jewellers lists it at £1,243. 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
FluorescenceMedium
Crown angle35.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 2556358382
Dimensions4.56 × 4.59 × 2.84 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Crystal
Top View
4.56 mm4.59 mm0.37 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 2556358382
Side View
Table 60.0%Crown 35.5°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.0%

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 28
Current: £400 GBP|Low: £351 GBP|High: £758 GBP|Avg: £498 GBP|+6.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 29, 2026
Retailer 5£356 GBP
Retailer 6£367 GBP
Retailer 1£400 GBP
Retailer 4£524 GBP
Retailer 2£671 GBP
Retailer 3£752 GBP

44 data points across 6 retailers

18 retailers£294 GBP to £1,243 GBP

A
Cheapest Retailer
-
£294 GBP
$391 USD
A
Retailer 2
-
£304 GBP
$405 USD
View
Price last confirmed 35 days ago
A
Retailer 3
-
£306 GBP
$407 USD
View
Price last confirmed 7 days ago
A
Retailer 4
-
£316 GBP
$421 USD
View
A
Retailer 5
-
£316 GBP
$421 USD
View
A
Retailer 6
-
£321 GBP
$427 USD
View
A
Retailer 7
-
£336 GBP
A$687 AUD
View
A
Retailer 8
-
£339 GBP
$451 USD
View
A
Retailer 9
-
£367 GBP
$489 USD
View
A
Retailer 10
-
£378 GBP
$504 USD
View
A
Retailer 11
-
£400 GBP
$533 USD
View
A
Retailer 12
-
£400 GBP
View
B+
Retailer 13
-
£440 GBP
$586 USD
View
B+
Retailer 14
-
£524 GBP
€664 EUR
View
B
Retailer 15
-
£671 GBP
View
B
Retailer 16
-
£752 GBP
View
B
Retailer 17
-
£908 GBP
CA$1,679 CAD
View
Most Expensive
B
NZ Jewellers
4b6f9582-4c5b-4f3e-b775-61dbdd9d3405 · Oct 26
£1,243 GBP
$1,655 USD
View
17 more retailers have this diamond
Prices start from £294 GBPSave up to £949 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
£294 GBP