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Marquise|Lab Grown|UNKNOWN

0.51ct H VS1 Marquise Lab Grown Diamond

ID • H/VS1 • UNKNOWN 613601360

Certificate UNKNOWN 613601360

Diamond specifications and retailer prices

From $429 SGD
As of November 4, 2026
Save $1,283 SGD (75%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $1,712 SGD at NZ Jewellers · As of November 4, 2026
View at NZ Jewellers

About this 0.51ct lab-grown marquise diamond

This 0.51ct lab-grown marquise sits in the half to three-quarter carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by UNKNOWN 613601360. Listed at 5 retailers as of November 4, 2026, with prices from $429 to $1,712, a $1,283 spread on the same certified stone. NZ Jewellers lists it at $1,712. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.51
Carat
H
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginLab Grown
Grading LabUNKNOWN
CertificateUNKNOWN 613601360
Dimensions8.45 × 4.12 × 2.39 mm
L/W Ratio2.05
Top View
8.45 mm4.12 mm0.51 ctH / VS1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateUNKNOWN 613601360
Side View
Table 63.4%CrownGirdlePavilionCuletDepth 57.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $1,712 SGD|Low: $413 SGD|High: $1,712 SGD|Avg: $772 SGD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 8, 2026
Retailer 2$429 SGD
Retailer 5$498 SGD
Retailer 3$533 SGD
Retailer 4$860 SGD
NZ Jewellers$1,712 SGD

6 data points across 5 retailers

5 retailers$429 SGD to $1,712 SGD

A
Cheapest Retailer
-
$429 SGD
B+
Retailer 2
-
$498 SGD
View
B
Retailer 3
-
$533 SGD
View
B
Retailer 4
-
$860 SGD
View
Most Expensive
C
NZ Jewellers
5b592cad-9d4b-41a1-99fe-e72442cdd9e5 · Nov 4
$1,712 SGD
$1,340 USD
View
4 more retailers have this diamond
Prices start from $429 SGDSave up to $1,283 SGD

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.

A
0.51ct Marquise
$429 SGD