Marquise|Lab Grown

0.31ct H VS1 Marquise Lab Grown Diamond

EX • H/VS1 • FA1-41-771

Diamond specifications and retailer prices

From $168 USD
As of October 30, 2026
Save $503 USD (75%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $671 USD 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 H 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 $168 to $671, a $503 spread on the same certified stone. NZ Jewellers lists it at $671. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.31
Carat
H
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginLab Grown
Grading Lab
CertificateFA1-41-771
Dimensions7.43 × 3.55 × 2.08 mm
L/W Ratio2.09
Top View
7.43 mm3.55 mm0.31 ctH / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateFA1-41-771
Side View
Table 55.6%CrownGirdlePavilionCuletDepth 58.7%

Caratlytics Score

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

Price History

Last verified: Oct 30
Current: $671 USD|Low: $162 USD|High: $671 USD|Avg: $293 USD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
October 8, 2026
Retailer 2$168 USD
Retailer 4$195 USD
Retailer 3$209 USD
NZ Jewellers$671 USD

6 data points across 4 retailers

4 retailers$168 USD to $671 USD

B+
Cheapest Retailer
-
$168 USD
B+
Retailer 2
-
$195 USD
View
B
Retailer 3
-
$209 USD
View
Most Expensive
C
NZ Jewellers
4f1e1951-2da6-46f3-83e0-ca01742b916d · Oct 31
$671 USD
View
3 more retailers have this diamond
Prices start from $168 USDSave up to $503 USD

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
$168 USD