Marquise|Lab Grown

0.31ct I VS1 Marquise Lab Grown Diamond

EX • I/VS1 • TA56A-105-839

Diamond specifications and retailer prices

From $266 NZD
$150 USD
As of October 30, 2026
Save $793 NZD (75%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $1,059 NZD 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 $266 to $1,059, a $793 spread on the same certified stone. NZ Jewellers lists it at $1,059. 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: $1,059 NZD|Low: $255 NZD|High: $1,059 NZD|Avg: $462 NZD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
October 8, 2026
Retailer 2$266 NZD
Retailer 4$309 NZD
Retailer 3$330 NZD
NZ Jewellers$1,059 NZD

6 data points across 4 retailers

4 retailers$266 NZD to $1,059 NZD

B+
Cheapest Retailer
-
$266 NZD
$150 USD
B+
Retailer 2
-
$309 NZD
$174 USD
View
B+
Retailer 3
-
$330 NZD
$186 USD
View
Most Expensive
C
NZ Jewellers
b51acf89-0cf6-4776-9647-d876dc2450ce · Oct 31
$1,059 NZD
$597 USD
View
3 more retailers have this diamond
Prices start from $266 NZDSave up to $793 NZD

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
$266 NZD