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Oval|Lab Grown|GCAL

0.37ct E SI1 Oval Lab Grown Diamond

EX • E/SI1 • GCAL 312570085

Shape and cutting style on the report: Oval brilliant

Certificate GCAL 312570085

Diamond specifications and retailer prices

From £131 GBP
$174 USD
As of October 28, 2026
Save £331 GBP (72%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £461 GBP at Taylor and Hart · As of October 29, 2026
View at Taylor and Hart

About this 0.37ct lab-grown oval diamond

This 0.37ct lab-grown oval sits in the sub-half-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GCAL 312570085. Listed at 4 retailers as of October 28, 2026, with prices from £131 to £461, a £331 spread on the same certified stone. Taylor and Hart lists it at £461. 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
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle36°
Pavilion angle42°
OriginLab Grown
Grading LabGCAL
CertificateGCAL 312570085
Dimensions6.07 × 3.91 × 2.45 mm
L/W Ratio1.55
Culet sizeNone
Top View
6.07 mm3.91 mm0.37 ctE / SI1
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGCAL 312570085
Side View
Table 65.0%Crown 36°GirdlePavilion 42°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: £855 GBP|Low: £131 GBP|High: £886 GBP|Avg: £432 GBP|-3.3%
Retailer 1
Retailer 2
Retailer 3
Taylor and Hart
October 26, 2026
Retailer 3£131 GBP
Retailer 2£257 GBP
Taylor and Hart£461 GBP
Retailer 1£855 GBP

11 data points across 4 retailers

4 retailers£131 GBP to £461 GBP

A
Cheapest Retailer
-
£131 GBP
$174 USD
B
Retailer 2
-
£257 GBP
CA$475 CAD
View
Most Expensive
B
Taylor and Hart
O2G7PVH · Oct 29
£461 GBP
$614 USD
View
2 more retailers have this diamond
Prices start from £131 GBPSave up to £331 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 Oval
£131 GBP