Marquise|Lab Grown|IGI

1.29ct F VS1 Marquise Lab Grown Diamond

GD • F/VS1 • IGI LG801682702

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG801682702

Diamond specifications and retailer prices

From $426 USD
As of October 25, 2026
5 retailers carry this diamond
Most expensive: $1,143 USD at MOH London · As of October 25, 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 F colour (colourless) and VS1 clarity (very-slightly-included), with a standard cut grade and certified by IGI LG801682702 or 801682702. Listed at 5 retailers as of October 25, 2026. 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
F
Color
VS1
Clarity
Good
Cut

Specifications

CutGood
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle30.3°
Pavilion angle38°
OriginLab Grown
Grading LabIGI
CertificateIGI LG801682702
Dimensions12.09 × 5.86 × 3.13 mm
L/W Ratio2.06
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.09 mm5.86 mm1.29 ctF / VS1
OriginLab Grown
CutGood
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG801682702
Side View
Table 70.0%Crown 30.3°Girdle: MED-STKPavilion 38°Culet: NoneDepth 53.4%

Caratlytics Score

No score right now
No retailer has confirmed this stone recently, so we are not scoring it. Prices below are as of the date shown.

Price History

Last verified: Oct 25
Current: $1,143 USD|Low: $356 USD|High: $1,143 USD|Avg: $614 USD|+5.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 26, 2026
Retailer 7$356 USD
Retailer 3$426 USD
Retailer 2$432 USD
Retailer 5$489 USD
Retailer 4$567 USD
Retailer 8$688 USD
Retailer 6$838 USD
MOH London$1,143 USD

9 data points across 8 retailers

5 retailers$426 USD to $1,143 USD

Retailer 1
-
$426 USD
Price last confirmed 8 days ago
Retailer 2
-
$432 USD
£340 GBP
View
Price last confirmed 7 days ago
Retailer 3
-
$567 USD
View
Price last confirmed 7 days ago
Retailer 4
-
$838 USD
View
Price last confirmed 7 days ago
Most Expensive
MOH London
LG801682702 · Oct 25
$1,143 USD
£900 GBP
View
Price last confirmed 8 days ago
4 more retailers have this diamond

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.

1.29ct Marquise
$426 USD