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Marquise|Lab Grown|IGI

1.40ct D VS2 Marquise Lab Grown Diamond

EX • D/VS2 • IGI LG797697156

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG797697156

Diamond specifications and retailer prices

From $226 USD
As of October 30, 2026
Save $120 USD (35%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $983 USD at Rare Carat · As of September 2, 2026
View at Rare Carat

About this 1.4ct lab-grown marquise diamond

This 1.4ct lab-grown marquise sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG797697156 or 797697156. Listed at 4 retailers as of October 30, 2026, with a 53% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.40
Carat
D
Color
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG797697156
Dimensions11.03 × 5.84 × 3.76 mm
L/W Ratio1.89
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.03 mm5.84 mm1.40 ctD / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG797697156
Side View
Table 61.0%Crown 35.8°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 64.4%

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 30
Current: $983 USD|Low: $125 USD|High: $1,380 USD|Avg: $623 USD
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 27, 2026
Retailer 10$125 USD
Retailer 2$226 USD
Retailer 4$346 USD
Retailer 5$408 USD
Retailer 9$477 USD
Retailer 8$572 USD
Retailer 3$609 USD
Retailer 11$700 USD
Retailer 6$809 USD
Rare Carat$983 USD
Retailer 7$1,380 USD

7 data points across 11 retailers

4 retailers$226 USD to $346 USD

A
Cheapest Retailer
-
$226 USD
Final sale: no returns
B+
Retailer 2
-
$346 USD
View
Retailer 3
-
$609 USD
A$937 AUD
View
Price last confirmed 119 days ago
Most Expensive
Rare Carat
797697156 · Sep 2
$983 USD
View
Price last confirmed 58 days ago
3 more retailers have this diamond
Prices start from $226 USDSave up to $120 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
1.40ct Marquise
$226 USD