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 $235 CAD
$168 USD
As of October 29, 2026
Save $290 CAD (55%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $939 CAD 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 35872872. Listed at 5 retailers as of October 28, 2026, with a 123% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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: Oct 29
Current: $235 CAD|Low: $227 CAD|High: $525 CAD|Avg: $355 CAD|+3.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
October 10, 2026
Retailer 1$235 CAD
Retailer 2$293 CAD
Retailer 4$293 CAD
Retailer 3$525 CAD

5 data points across 4 retailers

5 retailers$235 CAD to $525 CAD

A
Cheapest Retailer
-
$235 CAD
$168 USD
B+
Retailer 2
-
$273 CAD
$195 USD
View
B+
Retailer 3
-
$293 CAD
$209 USD
View
C
Retailer 4
-
$525 CAD
$375 USD
View
Most Expensive
NZ Jewellers
31b58726-ddb4-49f9-875e-927625eba463 · Oct 28
$939 CAD
$671 USD
View
Price under review
4 more retailers have this diamond
Prices start from $235 CADSave up to $290 CAD

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
$235 CAD