Marquise|Lab Grown|IGI

1.25ct F VS1 Marquise Lab Grown Diamond

ID • F/VS1 • IGI LG843699084

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG843699084

Diamond specifications and retailer prices

From $320 USD
As of October 28, 2026
Save $790 USD (71%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $1,110 USD at MOH London · As of October 29, 2026
View at MOH London

About this 1.25ct lab-grown marquise diamond

This 1.25ct lab-grown marquise sits in the one-and-a-quarter to one-and-a-half carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG843699084 or 843699084. Listed at 5 retailers as of October 28, 2026, with prices from $320 to $1,110, a $790 spread on the same certified stone. MOH London lists it at $1,110. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.25
Carat
F
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.6°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843699084
Dimensions11.24 × 5.60 × 3.46 mm
L/W Ratio2.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.24 mm5.60 mm1.25 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843699084
Side View
Table 58.0%Crown 32.6°Girdle: STK-THKPavilion 39.3°Culet: NoneDepth 61.8%

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: Oct 28
Current: $1,110 USD|Low: $320 USD|High: $1,110 USD|Avg: $613 USD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 29, 2026
Retailer 5$320 USD
Retailer 2$427 USD
Retailer 3$462 USD
Retailer 4$813 USD
MOH London$1,110 USD

15 data points across 5 retailers

5 retailers$320 USD to $1,110 USD

B+
Cheapest Retailer
-
$320 USD
A
Retailer 2
-
$427 USD
£336 GBP
View
A
Retailer 3
-
$462 USD
View
B
Retailer 4
-
$813 USD
View
Most Expensive
B
MOH London
LG843699084 · Oct 29
$1,110 USD
£874 GBP
View
4 more retailers have this diamond
Prices start from $320 USDSave up to $790 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
1.25ct Marquise
$320 USD