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Marquise|Lab Grown|IGI

1.21ct D VS1 Marquise Lab Grown Diamond

EX • D/VS1 • IGI LG816674414

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG816674414

Diamond specifications and retailer prices

From $267 SGD
As of November 4, 2026
Save $1,114 SGD (81%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,380 SGD at MOH London · As of November 5, 2026
View at MOH London

About this 1.21ct lab-grown marquise diamond

This 1.21ct lab-grown marquise sits in the classic one-carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG816674414 or 816674414. Listed at 16 retailers as of November 4, 2026, with prices from $267 to $1,380, a $1,114 spread on the same certified stone. MOH London lists it at $1,380. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
D
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816674414
Dimensions10.39 × 5.55 × 3.55 mm
L/W Ratio1.87
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.39 mm5.55 mm1.21 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816674414
Side View
Table 60.0%Crown 34.4°Girdle: STK-THKPavilion 41°Culet: NoneDepth 64.0%

Caratlytics Score

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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: $1,380 SGD|Low: $267 SGD|High: $1,457 SGD|Avg: $769 SGD|-5.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
November 5, 2026
Retailer 11$267 SGD
Retailer 8$395 SGD
Retailer 13$399 SGD
Retailer 12$511 SGD
Retailer 6$529 SGD
Retailer 2$531 SGD
Retailer 3$589 SGD
Retailer 15$611 SGD
Retailer 10$722 SGD
Retailer 14$952 SGD
Retailer 9$955 SGD
Retailer 7$958 SGD
Retailer 5$995 SGD
Retailer 4$1,021 SGD
MOH London$1,380 SGD

41 data points across 15 retailers

16 retailers$267 SGD to $1,380 SGD

A
Cheapest Retailer
-
$267 SGD
Final sale: no returns
A
Retailer 2
-
$395 SGD
View
B+
Retailer 3
-
$399 SGD
View
A
Retailer 4
-
$511 SGD
View
Retailer 5
-
$529 SGD
View
Price last confirmed 11 days ago
A
Retailer 6
-
$531 SGD
View
A
Retailer 7
-
$589 SGD
View
A
Retailer 8
-
$611 SGD
View
B+
Retailer 9
-
$722 SGD
View
B+
Retailer 10
-
$952 SGD
View
B+
Retailer 11
-
$955 SGD
View
Retailer 12
-
$958 SGD
View
Price last confirmed 29 days ago
Retailer 13
-
$995 SGD
View
Price last confirmed 8 days ago
B
Retailer 14
-
$1,021 SGD
View
B
Retailer 15
-
$1,265 SGD
View
Most Expensive
B
MOH London
LG816674414 · Nov 5
$1,380 SGD
£851 GBP
View
15 more retailers have this diamond
Prices start from $267 SGDSave up to $1,114 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
1.21ct Marquise
$267 SGD