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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 HK$1,318 HKD
$168 USD
As of October 29, 2026
Save HK$1,624 HKD (55%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: HK$5,265 HKD 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 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
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: HK$1,318 HKD|Low: HK$1,271 HKD|High: HK$2,942 HKD|Avg: HK$1,990 HKD|+3.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
October 10, 2026
Retailer 1HK$1,318 HKD
Retailer 2HK$1,640 HKD
Retailer 4HK$1,640 HKD
Retailer 3HK$2,942 HKD

5 data points across 4 retailers

5 retailersHK$1,318 HKD to HK$2,942 HKD

A
Cheapest Retailer
-
HK$1,318 HKD
$168 USD
B+
Retailer 2
-
HK$1,530 HKD
$195 USD
View
B+
Retailer 3
-
HK$1,640 HKD
$209 USD
View
C
Retailer 4
-
HK$2,942 HKD
$375 USD
View
Most Expensive
NZ Jewellers
6e822b0d-d1ef-4f9c-8326-dfb477b11782 · Oct 28
HK$5,265 HKD
$671 USD
View
Price under review
4 more retailers have this diamond
Prices start from HK$1,318 HKDSave up to HK$1,624 HKD

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
HK$1,318 HKD