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Round|Lab Grown|UNKNOWN

0.31ct H SI2 Round Lab Grown Diamond

EX • H/SI2 • UNKNOWN 45165660

Certificate UNKNOWN 45165660

Diamond specifications and retailer prices

From HK$1,028 HKD
$131 USD
As of October 29, 2026
Save HK$3,068 HKD (75%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: HK$4,095 HKD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 0.31ct lab-grown round diamond

This 0.31ct lab-grown round sits in the sub-half-carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by UNKNOWN 45165660. Listed at 5 retailers as of October 29, 2026, with prices from HK$1,028 to HK$4,095, a HK$3,068 spread on the same certified stone. NZ Jewellers lists it at HK$4,095. 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
H
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabUNKNOWN
CertificateUNKNOWN 45165660
Dimensions4.34 × 4.32 × 2.69 mm
L/W Ratio1.00
Top View
4.34 mm4.32 mm0.31 ctH / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateUNKNOWN 45165660
Side View
Table 56.2%CrownGirdlePavilionCuletDepth 62.3%

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$1,028 HKD|Low: HK$989 HKD|High: HK$2,416 HKD|Avg: HK$1,500 HKD|+4.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
October 10, 2026
Retailer 1HK$1,028 HKD
Retailer 4HK$1,193 HKD
Retailer 2HK$1,271 HKD
Retailer 3HK$2,416 HKD

4 data points across 4 retailers

5 retailersHK$1,028 HKD to HK$4,095 HKD

A
Cheapest Retailer
-
HK$1,028 HKD
$131 USD
B+
Retailer 2
-
HK$1,193 HKD
$152 USD
View
B+
Retailer 3
-
HK$1,271 HKD
$162 USD
View
B
Retailer 4
-
HK$2,416 HKD
$308 USD
View
Most Expensive
C
NZ Jewellers
89babddf-a1bf-453b-9937-413805624878 · Oct 30
HK$4,095 HKD
$522 USD
View
4 more retailers have this diamond
Prices start from HK$1,028 HKDSave up to HK$3,068 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 Round
HK$1,028 HKD