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Marquise|Lab Grown|IGI

3.77ct F VS1 Marquise Lab Grown Diamond

EX • F/VS1 • IGI LG811691102

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG811691102

Diamond specifications and retailer prices

From $582 USD
As of November 1, 2026
Save $2,608 USD (82%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $3,190 USD at Rare Carat · As of October 28, 2026
View at Rare Carat

About this 3.77ct lab-grown marquise diamond

This 3.77ct lab-grown marquise sits in the three to five carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG811691102 or 811691102. Listed at 4 retailers as of October 28, 2026, with prices from $582 to $3,190, a $2,608 spread on the same certified stone. Rare Carat lists it at $3,190. 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

3.77
Carat
F
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811691102
Dimensions15.69 × 8.21 × 5.12 mm
L/W Ratio1.91
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.69 mm8.21 mm3.77 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811691102
Side View
Table 62.0%Crown 35.4°Girdle: STK-THKPavilion 40.5°Culet: NoneDepth 62.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: $3,190 USD|Low: $582 USD|High: $3,389 USD|Avg: $1,722 USD|-5.9%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 3$582 USD
Retailer 8$981 USD
Retailer 2$1,040 USD
Retailer 4$1,095 USD
Retailer 9$1,524 USD
Retailer 5$1,573 USD
Retailer 7$1,753 USD
Retailer 6$2,112 USD
Retailer 10$2,614 USD
Rare Carat$3,190 USD

38 data points across 10 retailers

4 retailers$582 USD to $3,190 USD

A
Cheapest Retailer
-
$582 USD
Final sale: no returns
A
Retailer 2
-
$1,040 USD
£819 GBP
View
Retailer 3
-
$2,724 USD
A$4,191 AUD
View
Price last confirmed 121 days ago
Most Expensive
B
Rare Carat
811691102 · Oct 28
$3,190 USD
View
3 more retailers have this diamond
Prices start from $582 USDSave up to $2,608 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
3.77ct Marquise
$582 USD