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Marquise|Lab Grown

0.31ct I VS1 Marquise Lab Grown Diamond

EX • I/VS1 • TA56A-105-839

Diamond specifications and retailer prices

From HK$1,177 HKD
$150 USD
As of October 30, 2026
Save HK$3,507 HKD (75%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: HK$4,684 HKD at NZ Jewellers · As of October 31, 2026
View at NZ Jewellers

About this 0.31ct lab-grown marquise diamond

This 0.31ct lab-grown marquise sits in the sub-half-carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade. Listed at 4 retailers as of October 30, 2026, with prices from HK$1,177 to HK$4,684, a HK$3,507 spread on the same certified stone. NZ Jewellers lists it at HK$4,684. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.31
Carat
I
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginLab Grown
Grading Lab
CertificateTA56A-105-839
Dimensions7.38 × 3.59 × 2.09 mm
L/W Ratio2.06
Top View
7.38 mm3.59 mm0.31 ctI / VS1
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateTA56A-105-839
Side View
Table 64.4%CrownGirdlePavilionCuletDepth 58.3%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: HK$4,684 HKD|Low: HK$1,130 HKD|High: HK$4,684 HKD|Avg: HK$2,044 HKD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
October 8, 2026
Retailer 2HK$1,177 HKD
Retailer 4HK$1,365 HKD
Retailer 3HK$1,459 HKD
NZ JewellersHK$4,684 HKD

6 data points across 4 retailers

4 retailersHK$1,177 HKD to HK$4,684 HKD

B+
Cheapest Retailer
-
HK$1,177 HKD
$150 USD
B+
Retailer 2
-
HK$1,365 HKD
$174 USD
View
B+
Retailer 3
-
HK$1,459 HKD
$186 USD
View
Most Expensive
C
NZ Jewellers
b51acf89-0cf6-4776-9647-d876dc2450ce · Oct 31
HK$4,684 HKD
$597 USD
View
3 more retailers have this diamond
Prices start from HK$1,177 HKDSave up to HK$3,507 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.

B+
0.31ct Marquise
HK$1,177 HKD