Marquise|Lab Grown|IGI

1.29ct E VS1 Marquise Lab Grown Diamond

VG • E/VS1 • IGI LG850696678

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG850696678

Diamond specifications and retailer prices

From $216 USD
As of October 29, 2026
Save $912 USD (81%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $1,128 USD at MOH London · As of October 29, 2026
View at MOH London

About this 1.29ct lab-grown marquise diamond

This 1.29ct lab-grown marquise sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG850696678 or 850696678. Listed at 6 retailers as of October 29, 2026, with prices from $216 to $1,128, a $912 spread on the same certified stone. MOH London lists it at $1,128. 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

1.29
Carat
E
Color
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG850696678
Dimensions10.74 × 5.68 × 3.60 mm
L/W Ratio1.89
Girdle conditionFaceted
Culet sizeNone
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.74 mm5.68 mm1.29 ctE / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG850696678
Side View
Table 60.0%Crown 35.1°Girdle: STK-THKPavilion 40.3°Culet: NoneDepth 63.4%

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: Oct 29
Current: $1,128 USD|Low: $216 USD|High: $1,128 USD|Avg: $683 USD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 29, 2026
Retailer 3$216 USD
Retailer 2$436 USD
Retailer 4$489 USD
Retailer 5$772 USD
Retailer 6$825 USD
MOH London$1,128 USD

2 data points across 6 retailers

6 retailers$216 USD to $1,128 USD

A
Cheapest Retailer
-
$216 USD
Final sale: no returns
A
Retailer 2
-
$436 USD
£344 GBP
View
B+
Retailer 3
-
$489 USD
View
B
Retailer 4
-
$772 USD
View
B
Retailer 5
-
$825 USD
View
Most Expensive
B
MOH London
LG850696678 · Oct 29
$1,128 USD
£888 GBP
View
5 more retailers have this diamond
Prices start from $216 USDSave up to $912 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
1.29ct Marquise
$216 USD