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Marquise|Lab Grown|IGI

3.80ct F VS2 Marquise Lab Grown Diamond

ID • F/VS2 • IGI LG843664686

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG843664686

Diamond specifications and retailer prices

From $516 USD
As of October 30, 2026
Save $3,124 USD (86%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $3,640 USD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 3.8ct lab-grown marquise diamond

This 3.8ct lab-grown marquise sits in the three to five carat band, graded F colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG843664686 or 843664686. Listed at 12 retailers as of October 30, 2026, with prices from $516 to $3,640, a $3,124 spread on the same certified stone. Brilliant Earth lists it at $3,640. 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

3.80
Carat
F
Color
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843664686
Dimensions16.19 × 8.38 × 5.07 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
16.19 mm8.38 mm3.80 ctF / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843664686
Side View
Table 62.0%Crown 34.9°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 60.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $3,640 USD|Low: $516 USD|High: $3,640 USD|Avg: $1,835 USD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 29, 2026
Retailer 9$516 USD
Retailer 6$578 USD
Retailer 5$962 USD
Retailer 11$1,027 USD
Retailer 8$1,652 USD
Retailer 7$1,655 USD
Retailer 10$1,683 USD
Retailer 4$1,900 USD
Retailer 12$2,209 USD
Retailer 2$2,686 USD
Retailer 3$2,881 USD
Brilliant Earth$3,640 USD

9 data points across 12 retailers

12 retailers$516 USD to $3,640 USD

A
Cheapest Retailer
-
$516 USD
A
Retailer 2
-
$578 USD
View
Retailer 3
-
$962 USD
€916 EUR
View
Price last confirmed 7 days ago
A
Retailer 4
-
$1,027 USD
View
A
Retailer 5
-
$1,652 USD
View
B+
Retailer 6
-
$1,655 USD
View
A
Retailer 7
-
$1,683 USD
View
B+
Retailer 8
-
$1,900 USD
View
B+
Retailer 9
-
$2,209 USD
View
B+
Retailer 10
-
$2,686 USD
£2,115 GBP
View
B
Retailer 11
-
$2,881 USD
View
Most Expensive
B
Brilliant Earth
21823638A · Oct 30
$3,640 USD
View
11 more retailers have this diamond
Prices start from $516 USDSave up to $3,124 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
3.80ct Marquise
$516 USD