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Marquise|Lab Grown|IGI

2.31ct E VS2 Marquise Lab Grown Diamond

EX • E/VS2 • IGI LG786681790

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG786681790

Diamond specifications and retailer prices

From $1,285 USD
CA$1,785 CAD
As of October 30, 2026
Save $415 USD (24%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $1,700 USD at The Diamond Guys · As of October 30, 2026
View at The Diamond Guys

About this 2.31ct lab-grown marquise diamond

This 2.31ct lab-grown marquise sits in the two to three carat band, graded E colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG786681790 or 786681790. Listed at 2 retailers as of October 30, 2026, with prices from $1,285 to $1,700, a $415 spread on the same certified stone. The Diamond Guys lists it at $1,700. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

2.31
Carat
E
Color
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG786681790
Dimensions14.21 × 6.77 × 4.22 mm
L/W Ratio2.10
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.21 mm6.77 mm2.31 ctE / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG786681790
Side View
Table 61.0%Crown 35.4°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 62.3%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 30
Current: $799 USD|Low: $255 USD|High: $2,656 USD|Avg: $1,352 USD|+3.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
The Diamond Guys
September 16, 2026
Retailer 6$500 USD
Retailer 3$605 USD
Retailer 5$691 USD
Retailer 1$799 USD
Retailer 12$833 USD
Retailer 7$1,285 USD
Retailer 4$1,459 USD
Retailer 11$1,619 USD
Retailer 8$1,623 USD
The Diamond Guys$1,700 USD
Retailer 10$1,752 USD
Retailer 2$2,099 USD
Retailer 9$2,240 USD

39 data points across 13 retailers

2 retailers$1,285 USD to $1,700 USD

B+
Cheapest Retailer
-
$1,285 USD
CA$1,785 CAD
Most Expensive
B
The Diamond Guys
1955241483 · Oct 30
$1,700 USD
View
1 more retailer has this diamond
Prices start from $1,285 USDSave up to $415 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.

B+
2.31ct Marquise
$1,285 USD