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Oval|Lab Grown|UNKNOWN

0.31ct E SI1 Oval Lab Grown Diamond

ID • E/SI1 • UNKNOWN 35872872

Certificate UNKNOWN 35872872

Diamond specifications and retailer prices

From €150 EUR
$168 USD
As of November 1, 2026
Save €450 EUR (75%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: €601 EUR at NZ Jewellers · As of October 31, 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 35872872. Listed at 5 retailers as of October 31, 2026, with prices from €150 to €601, a €450 spread on the same certified stone. NZ Jewellers lists it at €601. 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
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginLab Grown
Grading LabUNKNOWN
CertificateUNKNOWN 35872872
Dimensions5.13 × 3.86 × 2.32 mm
L/W Ratio1.33
Top View
5.13 mm3.86 mm0.31 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateUNKNOWN 35872872
Side View
Table 59.4%CrownGirdlePavilionCuletDepth 60.1%

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: Nov 1
Current: €150 EUR|Low: €145 EUR|High: €336 EUR|Avg: €223 EUR|+3.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
October 10, 2026
Retailer 1€150 EUR
Retailer 2€187 EUR
Retailer 4€187 EUR
Retailer 3€336 EUR

4 data points across 4 retailers

5 retailers€150 EUR to €601 EUR

A
Cheapest Retailer
-
€150 EUR
$168 USD
B+
Retailer 2
-
€175 EUR
$195 USD
View
B+
Retailer 3
-
€187 EUR
$209 USD
View
C
Retailer 4
-
€336 EUR
$375 USD
View
Most Expensive
C
NZ Jewellers
31b58726-ddb4-49f9-875e-927625eba463 · Oct 31
€601 EUR
$671 USD
View
4 more retailers have this diamond
Prices start from €150 EURSave up to €450 EUR

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
€150 EUR