Marquise|Lab Grown|IGI

3.10ct F VS2 Marquise Lab Grown Diamond

EX • F/VS2 • IGI LG838662142

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG838662142

Diamond specifications and retailer prices

From $538 USD
As of October 28, 2026
Save $2,148 USD (80%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $2,805 USD at Rare Carat · As of October 4, 2026
View at Rare Carat

About this 3.1ct lab-grown marquise diamond

This 3.1ct 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 LG838662142 or 838662142. Listed at 10 retailers as of October 28, 2026, with a 399% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

3.10
Carat
F
Color
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG838662142
Dimensions15.14 × 7.52 × 4.80 mm
L/W Ratio2.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.14 mm7.52 mm3.10 ctF / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG838662142
Side View
Table 58.0%Crown 35.7°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 63.8%

Caratlytics Score

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

Price History

Last verified: Oct 28
Current: $2,805 USD|Low: $716 USD|High: $2,815 USD|Avg: $1,539 USD|-0.4%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 28, 2026
Retailer 7$716 USD
Retailer 3$902 USD
Retailer 9$972 USD
Retailer 2$1,550 USD
Retailer 8$1,600 USD
Retailer 5$2,059 USD
Retailer 4$2,189 USD
Retailer 6$2,686 USD
Rare Carat$2,805 USD

17 data points across 9 retailers

10 retailers$538 USD to $2,686 USD

A
Cheapest Retailer
-
$538 USD
A
Retailer 2
-
$716 USD
£564 GBP
View
Price last confirmed 12 days ago
A
Retailer 3
-
$902 USD
€859 EUR
View
B+
Retailer 4
-
$1,550 USD
View
B+
Retailer 5
-
$1,550 USD
View
B+
Retailer 6
-
$1,600 USD
View
B+
Retailer 7
-
$2,059 USD
View
B
Retailer 8
-
$2,189 USD
£1,724 GBP
View
B
Retailer 9
-
$2,686 USD
View
Most Expensive
B
Rare Carat
838662142 · Oct 4
$2,805 USD
View
Price last confirmed 24 days ago
9 more retailers have this diamond
Prices start from $538 USDSave up to $2,148 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
3.10ct Marquise
$538 USD