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Oval|Lab Grown|UNKNOWN

0.31ct E SI1 Oval Lab Grown Diamond

ID • E/SI1 • UNKNOWN 3520082008

Certificate UNKNOWN 3520082008

Diamond specifications and retailer prices

From £126 GBP
$168 USD
As of October 29, 2026
Save £378 GBP (75%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £504 GBP at NZ Jewellers · As of October 28, 2026
View at NZ Jewellers

About this 0.31ct lab-grown oval diamond

This 0.31ct 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 UNKNOWN 3520082008. Listed at 5 retailers as of October 28, 2026, with prices from £126 to £504, a £378 spread on the same certified stone. NZ Jewellers lists it at £504. 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

0.31
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryGood
FluorescenceNone
OriginLab Grown
Grading LabUNKNOWN
CertificateUNKNOWN 3520082008
Dimensions5.05 × 3.84 × 2.52 mm
L/W Ratio1.32
Top View
5.05 mm3.84 mm0.31 ctE / SI1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateUNKNOWN 3520082008
Side View
Table 57.1%CrownGirdlePavilionCuletDepth 65.5%

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 29
Current: £126 GBP|Low: £122 GBP|High: £282 GBP|Avg: £190 GBP|+3.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
October 10, 2026
Retailer 1£126 GBP
Retailer 2£157 GBP
Retailer 4£157 GBP
Retailer 3£282 GBP

5 data points across 4 retailers

5 retailers£126 GBP to £504 GBP

A
Cheapest Retailer
-
£126 GBP
$168 USD
B+
Retailer 2
-
£146 GBP
$195 USD
View
B+
Retailer 3
-
£157 GBP
$209 USD
View
C
Retailer 4
-
£282 GBP
$375 USD
View
Most Expensive
C
NZ Jewellers
6e822b0d-d1ef-4f9c-8326-dfb477b11782 · Oct 28
£504 GBP
$671 USD
View
4 more retailers have this diamond
Prices start from £126 GBPSave up to £378 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
0.31ct Oval
£126 GBP