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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 $214 AUD
$150 USD
As of October 30, 2026
Save $636 AUD (75%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $850 AUD 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 $214 to $850, a $636 spread on the same certified stone. NZ Jewellers lists it at $850. 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: $850 AUD|Low: $205 AUD|High: $850 AUD|Avg: $371 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
October 8, 2026
Retailer 2$214 AUD
Retailer 4$248 AUD
Retailer 3$265 AUD
NZ Jewellers$850 AUD

6 data points across 4 retailers

4 retailers$214 AUD to $850 AUD

B+
Cheapest Retailer
-
$214 AUD
$150 USD
B+
Retailer 2
-
$248 AUD
$174 USD
View
B+
Retailer 3
-
$265 AUD
$186 USD
View
Most Expensive
C
NZ Jewellers
b51acf89-0cf6-4776-9647-d876dc2450ce · Oct 31
$850 AUD
$597 USD
View
3 more retailers have this diamond
Prices start from $214 AUDSave up to $636 AUD

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
$214 AUD