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Marquise|Lab Grown|IGI

1.23ct D VS1 Marquise Lab Grown Diamond

VG • D/VS1 • IGI LG753506828

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG753506828

Diamond specifications and retailer prices

From $536 SGD
As of November 5, 2026
Save $2,145 SGD (80%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $2,681 SGD at MOH London · As of November 5, 2026
View at MOH London

About this 1.23ct lab-grown marquise diamond

This 1.23ct lab-grown marquise sits in the classic one-carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG753506828 or 753506828. Listed at 12 retailers as of November 5, 2026, with prices from $536 to $2,681, a $2,145 spread on the same certified stone. MOH London lists it at $2,681. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.23
Carat
D
Colour
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.1°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG753506828
Dimensions10.74 × 5.61 × 3.56 mm
L/W Ratio1.91
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.74 mm5.61 mm1.23 ctD / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG753506828
Side View
Table 61.0%Crown 37.1°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 63.5%

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 5
Current: $2,681 SGD|Low: $470 SGD|High: $4,752 SGD|Avg: $1,723 SGD|-1.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 5, 2026
Retailer 10$536 SGD
Retailer 11$598 SGD
Retailer 4$975 SGD
Retailer 5$1,041 SGD
Retailer 3$1,046 SGD
Retailer 2$1,201 SGD
Retailer 6$1,860 SGD
Retailer 8$2,403 SGD
Retailer 9$2,541 SGD
MOH London$2,681 SGD
Retailer 7$4,752 SGD

30 data points across 11 retailers

12 retailers$536 SGD to $2,681 SGD

A
Cheapest Retailer
-
$536 SGD
A
Retailer 2
-
$598 SGD
View
Final sale: no returns
B+
Retailer 3
-
$975 SGD
View
Retailer 4
-
$984 SGD
View
Price last confirmed 29 days ago
Retailer 5
-
$1,041 SGD
View
Price last confirmed 8 days ago
B
Retailer 6
-
$1,046 SGD
View
B
Retailer 7
-
$1,201 SGD
View
B
Retailer 8
-
$1,860 SGD
View
B
Retailer 9
-
$2,403 SGD
View
B
Retailer 10
-
$2,541 SGD
View
Most Expensive
B
MOH London
LG753506828 · Nov 5
$2,681 SGD
£1,653 GBP
View
10 more retailers have this diamond
Prices start from $536 SGDSave up to $2,145 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
1.23ct Marquise
$536 SGD