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Marquise|Lab Grown|IGI

3.16ct G VS1 Marquise Lab Grown Diamond

EX • G/VS1 • IGI LG846659560

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG846659560

Diamond specifications and retailer prices

From $416 USD
As of November 1, 2026
Save $1,789 USD (81%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $2,205 USD at Rare Carat · As of October 28, 2026
View at Rare Carat

About this 3.16ct lab-grown marquise diamond

This 3.16ct lab-grown marquise sits in the three to five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG846659560 or 846659560. Listed at 3 retailers as of October 28, 2026, with prices from $416 to $2,205, a $1,789 spread on the same certified stone. Rare Carat lists it at $2,205. 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

3.16
Carat
G
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846659560
Dimensions14.69 × 7.63 × 4.89 mm
L/W Ratio1.93
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.69 mm7.63 mm3.16 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG846659560
Side View
Table 58.0%Crown 35.7°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 64.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: $2,205 USD|Low: $416 USD|High: $2,205 USD|Avg: $991 USD
Rare Carat
Retailer 2
Retailer 3
November 1, 2026
Retailer 3$416 USD
Retailer 2$864 USD
Rare Carat$2,205 USD

13 data points across 3 retailers

3 retailers$416 USD to $2,205 USD

A
Cheapest Retailer
-
$416 USD
Final sale: no returns
A
Retailer 2
-
$864 USD
£681 GBP
View
Most Expensive
B
Rare Carat
846659560 · Oct 28
$2,205 USD
View
2 more retailers have this diamond
Prices start from $416 USDSave up to $1,789 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
3.16ct Marquise
$416 USD