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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 $420 USD
As of November 1, 2026
Save $1,686 USD (80%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $2,106 USD at MOH London · As of November 1, 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 1, 2026, with prices from $420 to $2,106, a $1,686 spread on the same certified stone. MOH London lists it at $2,106. 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
Color
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 1
Current: $2,106 USD|Low: $368 USD|High: $3,720 USD|Avg: $1,345 USD|-1.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 3, 2026
Retailer 10$420 USD
Retailer 11$468 USD
Retailer 4$765 USD
Retailer 5$815 USD
Retailer 3$819 USD
Retailer 2$940 USD
Retailer 6$1,456 USD
Retailer 8$1,882 USD
Retailer 9$1,990 USD
MOH London$2,106 USD
Retailer 7$3,720 USD

28 data points across 11 retailers

12 retailers$420 USD to $2,106 USD

A
Cheapest Retailer
-
$420 USD
A
Retailer 2
-
$468 USD
View
Final sale: no returns
B+
Retailer 3
-
$765 USD
£603 GBP
View
Retailer 4
-
$770 USD
View
Price last confirmed 26 days ago
B
Retailer 5
-
$815 USD
View
B
Retailer 6
-
$819 USD
View
B
Retailer 7
-
$940 USD
£740 GBP
View
B
Retailer 8
-
$1,456 USD
View
B
Retailer 9
-
$1,882 USD
View
B
Retailer 10
-
$1,990 USD
View
Most Expensive
B
MOH London
LG753506828 · Nov 1
$2,106 USD
£1,658 GBP
View
10 more retailers have this diamond
Prices start from $420 USDSave up to $1,686 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.

A
1.23ct Marquise
$420 USD