Marquise|Lab Grown|IGI

1.29ct F VVS1 Marquise Lab Grown Diamond

EX • F/VVS1 • IGI LG845657339

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG845657339

Diamond specifications and retailer prices

From $243 USD
As of November 3, 2026
Save $547 USD (69%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $790 USD at Rare Carat · As of October 28, 2026
View at Rare Carat

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 VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG845657339 or 845657339. Listed at 3 retailers as of October 28, 2026, with prices from $243 to $790, a $547 spread on the same certified stone. Rare Carat lists it at $790. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.29
Carat
F
Color
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG845657339
Dimensions11.89 × 5.65 × 3.47 mm
L/W Ratio2.10
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.89 mm5.65 mm1.29 ctF / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG845657339
Side View
Table 58.0%Crown 35.1°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 61.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 3
Current: $790 USD|Low: $243 USD|High: $790 USD|Avg: $544 USD|+6.8%
Rare Carat
Retailer 2
Retailer 3
November 3, 2026
Retailer 3$243 USD
Retailer 2$517 USD
Rare Carat$790 USD

18 data points across 3 retailers

3 retailers$243 USD to $790 USD

A
Cheapest Retailer
-
$243 USD
Final sale: no returns
A
Retailer 2
-
$517 USD
£407 GBP
View
Most Expensive
B
Rare Carat
845657339 · Oct 28
$790 USD
View
2 more retailers have this diamond
Prices start from $243 USDSave up to $547 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
$243 USD