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Marquise|Lab Grown|IGI

3.20ct G VS1 Marquise Lab Grown Diamond

EX • G/VS1 • IGI LG768673171

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG768673171

Diamond specifications and retailer prices

From $3,100 USD
As of October 31, 2026
1 retailer carries this diamond
Only listing: $3,100 USD at Brilliant Earth
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at Brilliant Earth

About this 3.2ct lab-grown marquise diamond

This 3.2ct 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 LG768673171 or 768673171. Listed at a single retailer as of October 31, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. 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

3.20
Carat
G
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.4°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG768673171
Dimensions15.10 × 7.74 × 4.79 mm
L/W Ratio1.95
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.10 mm7.74 mm3.20 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG768673171
Side View
Table 59.0%Crown 33.4°Girdle: STK-THKPavilion 39.9°Culet: NoneDepth 61.9%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 31
Current: $3,100 USD|Low: $690 USD|High: $5,450 USD|Avg: $1,703 USD|-16.7%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
September 15, 2026
Retailer 3$770 USD
Retailer 6$888 USD
Retailer 4$918 USD
Retailer 2$926 USD
Retailer 7$1,156 USD
Retailer 5$1,199 USD
Retailer 9$1,722 USD
Retailer 8$1,875 USD
Retailer 10$2,358 USD
Brilliant Earth$3,100 USD

78 data points across 10 retailers

1 retailer

B
Brilliant Earth
20626993A · Oct 31
$3,100 USD
View

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
3.20ct Marquise
$3,100 USD