Marquise|Lab Grown|UNKNOWN

0.40ct G VVS2 Marquise Lab Grown Diamond

ID • G/VVS2 • UNKNOWN 618284907

Certificate UNKNOWN 618284907

Diamond specifications and retailer prices

From $258 USD
As of October 30, 2026
Save $769 USD (75%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $1,027 USD at NZ Jewellers · As of October 31, 2026
View at NZ Jewellers

About this 0.4ct lab-grown marquise diamond

This 0.4ct lab-grown marquise sits in the sub-half-carat band, graded G colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by UNKNOWN 618284907. Listed at 5 retailers as of October 30, 2026, with prices from $258 to $1,027, a $769 spread on the same certified stone. NZ Jewellers lists it at $1,027. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.40
Carat
G
Color
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginLab Grown
Grading LabUNKNOWN
CertificateUNKNOWN 618284907
Dimensions7.82 × 3.75 × 2.39 mm
L/W Ratio2.09
Top View
7.82 mm3.75 mm0.40 ctG / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateUNKNOWN 618284907
Side View
Table 55.4%CrownGirdlePavilionCuletDepth 63.7%

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: $1,027 USD|Low: $247 USD|High: $1,027 USD|Avg: $466 USD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 8, 2026
Retailer 2$258 USD
Retailer 5$299 USD
Retailer 3$319 USD
Retailer 4$533 USD
NZ Jewellers$1,027 USD

6 data points across 5 retailers

5 retailers$258 USD to $1,027 USD

B+
Cheapest Retailer
-
$258 USD
B
Retailer 2
-
$299 USD
View
B
Retailer 3
-
$319 USD
View
B
Retailer 4
-
$533 USD
View
Most Expensive
C
NZ Jewellers
4cc08523-1521-4802-a8b8-bb99902d50d0 · Oct 31
$1,027 USD
View
4 more retailers have this diamond
Prices start from $258 USDSave up to $769 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+
0.40ct Marquise
$258 USD