Marquise|Lab Grown|IGI

2.99ct G VS1 Marquise Lab Grown Diamond

EX • G/VS1 • IGI LG842616764

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG842616764

Diamond specifications and retailer prices

From $400 USD
As of October 31, 2026
Save $2,280 USD (85%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $2,680 USD at Brilliant Earth · As of October 26, 2026
View at Brilliant Earth

About this 2.99ct lab-grown marquise diamond

This 2.99ct lab-grown marquise sits in the two to three carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG842616764 or 842616764. Listed at 4 retailers as of October 26, 2026, with prices from $400 to $2,680, a $2,280 spread on the same certified stone. Brilliant Earth lists it at $2,680. 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

2.99
Carat
G
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG842616764
Dimensions14.84 × 7.34 × 4.72 mm
L/W Ratio2.02
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.84 mm7.34 mm2.99 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG842616764
Side View
Table 61.0%Crown 35.7°Girdle: STK-THKPavilion 40.5°Culet: NoneDepth 64.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 31
Current: $2,680 USD|Low: $400 USD|High: $2,830 USD|Avg: $1,423 USD|-5.3%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
October 28, 2026
Retailer 4$400 USD
Retailer 3$826 USD
Retailer 2$2,285 USD
Brilliant Earth$2,680 USD

20 data points across 4 retailers

4 retailers$400 USD to $2,680 USD

A
Cheapest Retailer
-
$400 USD
Final sale: no returns
A
Retailer 2
-
$826 USD
£651 GBP
View
B
Retailer 3
-
$2,285 USD
View
Most Expensive
B
Brilliant Earth
21715262A · Oct 26
$2,680 USD
View
3 more retailers have this diamond
Prices start from $400 USDSave up to $2,280 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
2.99ct Marquise
$400 USD