CaratHunter
Plans
Marquise|Lab Grown|IGI

1.23ct G VVS1 Marquise Lab Grown Diamond

ID • G/VVS1 • IGI LG772699763

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG772699763

Diamond specifications and retailer prices

From $388 USD
As of November 1, 2026
Save $636 USD (62%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $1,024 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 G colour (near-colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG772699763 or 772699763. Listed at 7 retailers as of November 1, 2026, with prices from $388 to $1,024, a $636 spread on the same certified stone. MOH London lists it at $1,024. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
G
Color
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.8°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG772699763
Dimensions11.52 × 5.53 × 3.41 mm
L/W Ratio2.08
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.52 mm5.53 mm1.23 ctG / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG772699763
Side View
Table 61.0%Crown 32.8°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 61.7%

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 1
Current: $1,024 USD|Low: $379 USD|High: $1,091 USD|Avg: $626 USD|-5.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 2, 2026
Retailer 6$388 USD
Retailer 2$393 USD
Retailer 4$543 USD
Retailer 3$569 USD
Retailer 5$758 USD
MOH London$1,024 USD

41 data points across 6 retailers

7 retailers$388 USD to $1,024 USD

A
Cheapest Retailer
-
$388 USD
A
Retailer 2
-
$393 USD
£309 GBP
View
B+
Retailer 3
-
$543 USD
View
B+
Retailer 4
-
$569 USD
View
B+
Retailer 5
-
$758 USD
View
B+
Retailer 6
-
$780 USD
View
Most Expensive
B
MOH London
LG772699763 · Nov 2
$1,024 USD
£806 GBP
View
6 more retailers have this diamond
Prices start from $388 USDSave up to $636 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
$388 USD