Marquise|Lab Grown|IGI

1.23ct D VS1 Marquise Lab Grown Diamond

ID • D/VS1 • IGI LG823644023

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG823644023

Diamond specifications and retailer prices

From $214 USD
As of November 2, 2026
Save $848 USD (80%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,062 USD at MOH London · As of November 2, 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 top-tier cut grade and certified by IGI LG823644023 or 823644023. Listed at 15 retailers as of November 2, 2026, with prices from $214 to $1,062, a $848 spread on the same certified stone. MOH London lists it at $1,062. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
D
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG823644023
Dimensions10.82 × 5.62 × 3.58 mm
L/W Ratio1.93
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.82 mm5.62 mm1.23 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG823644023
Side View
Table 58.0%Crown 35.7°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 63.7%

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 2
Current: $1,062 USD|Low: $203 USD|High: $1,076 USD|Avg: $650 USD|+0.8%
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 2, 2026
Retailer 14$214 USD
Retailer 13$248 USD
Retailer 7$294 USD
Retailer 8$354 USD
Retailer 15$455 USD
Retailer 4$496 USD
Retailer 2$648 USD
Retailer 11$745 USD
Retailer 9$750 USD
Retailer 10$808 USD
Retailer 3$852 USD
Retailer 12$855 USD
Retailer 5$861 USD
Retailer 6$881 USD
MOH London$1,062 USD

38 data points across 15 retailers

15 retailers$214 USD to $1,062 USD

A
Cheapest Retailer
-
$214 USD
A
Retailer 2
-
$248 USD
View
A
Retailer 3
-
$294 USD
HK$2,300 HKD
View
A
Retailer 4
-
$354 USD
£279 GBP
View
A
Retailer 5
-
$455 USD
View
A
Retailer 6
-
$496 USD
View
B+
Retailer 7
-
$648 USD
A$997 AUD
View
B+
Retailer 8
-
$745 USD
View
B+
Retailer 9
-
$750 USD
View
B+
Retailer 10
-
$808 USD
A$1,243 AUD
View
B
Retailer 11
-
$852 USD
View
B
Retailer 12
-
$855 USD
View
B
Retailer 13
-
$861 USD
SGD 1,163 SGD
View
B
Retailer 14
-
$908 USD
View
Most Expensive
B
MOH London
LG823644023 · Nov 2
$1,062 USD
£836 GBP
View
14 more retailers have this diamond
Prices start from $214 USDSave up to $848 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
$214 USD