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Marquise|Lab Grown|IGI

1.21ct G VS1 Marquise Lab Grown Diamond

ID • G/VS1 • IGI LG799635199

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG799635199

Diamond specifications and retailer prices

From $262 SGD
As of November 4, 2026
Save $1,003 SGD (79%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $1,522 SGD at MOH London · As of October 26, 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 G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG799635199 or 799635199. Listed at 22 retailers as of November 4, 2026, with a 383% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.7°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG799635199
Dimensions11.12 × 5.51 × 3.42 mm
L/W Ratio2.02
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.12 mm5.51 mm1.21 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG799635199
Side View
Table 58.0%Crown 32.7°Girdle: MED-STKPavilion 40°Culet: NoneDepth 62.1%

Caratlytics Score

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

Price History

Last verified: Nov 4
Current: $1,522 SGD|Low: $252 SGD|High: $1,538 SGD|Avg: $689 SGD|-1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 5, 2026
Retailer 12$262 SGD
Retailer 3$324 SGD
Retailer 2$395 SGD
Retailer 10$543 SGD
Retailer 4$561 SGD
Retailer 7$561 SGD
Retailer 5$591 SGD
Retailer 11$794 SGD
Retailer 8$875 SGD
Retailer 9$996 SGD
Retailer 6$1,049 SGD
MOH London$1,522 SGD

37 data points across 12 retailers

22 retailers$262 SGD to $1,265 SGD

A
Cheapest Retailer
-
$262 SGD
A
Retailer 2
-
$304 SGD
View
A
Retailer 3
-
$324 SGD
View
Retailer 4
-
$324 SGD
View
Price last confirmed 12 days ago
A
Retailer 5
-
$395 SGD
View
Retailer 6
-
$543 SGD
View
Price last confirmed 8 days ago
A
Retailer 7
-
$561 SGD
View
A
Retailer 8
-
$561 SGD
View
A
Retailer 9
-
$567 SGD
View
A
Retailer 10
-
$591 SGD
View
A
Retailer 11
-
$636 SGD
View
Retailer 12
-
$794 SGD
View
Price last confirmed 10 days ago
B+
Retailer 13
-
$846 SGD
View
B+
Retailer 14
-
$875 SGD
View
B+
Retailer 15
-
$996 SGD
View
B+
Retailer 16
-
$1,045 SGD
View
B
Retailer 17
-
$1,049 SGD
View
B
Retailer 18
-
$1,060 SGD
View
B
Retailer 19
-
$1,113 SGD
View
B
Retailer 20
-
$1,198 SGD
View
B
Retailer 21
-
$1,265 SGD
View
Most Expensive
MOH London
LG799635199 · Oct 26
$1,522 SGD
£938 GBP
View
Price last confirmed 10 days ago
21 more retailers have this diamond
Prices start from $262 SGDSave up to $1,003 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
$262 SGD