Marquise|Lab Grown|IGI

3.10ct F VS1 Marquise Lab Grown Diamond

EX • F/VS1 • IGI LG838622318

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG838622318

Diamond specifications and retailer prices

From $496 USD
As of October 30, 2026
Save $2,904 USD (85%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $3,400 USD at Brilliant Earth · As of November 1, 2026
View at Brilliant Earth

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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG838622318 or 838622318. Listed at 13 retailers as of October 30, 2026, with prices from $496 to $3,400, a $2,904 spread on the same certified stone. Brilliant Earth lists it at $3,400. 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
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG838622318
Dimensions15.79 × 7.57 × 4.68 mm
L/W Ratio2.09
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.79 mm7.57 mm3.10 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG838622318
Side View
Table 61.0%Crown 35.3°Girdle: THN-MEDPavilion 40.3°Culet: NoneDepth 61.8%

Caratlytics Score

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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: $3,400 USD|Low: $555 USD|High: $3,400 USD|Avg: $1,496 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
November 2, 2026
Retailer 10$555 USD
Retailer 5$702 USD
Retailer 8$928 USD
Retailer 4$994 USD
Retailer 7$1,299 USD
Retailer 2$1,580 USD
Retailer 3$1,653 USD
Retailer 11$1,655 USD
Retailer 9$2,124 USD
Retailer 6$2,567 USD
Retailer 12$2,770 USD
Brilliant Earth$3,400 USD

25 data points across 12 retailers

13 retailers$496 USD to $3,400 USD

A
Cheapest Retailer
-
$496 USD
Retailer 2
-
$555 USD
View
Price last confirmed 13 days ago
A
Retailer 3
-
$702 USD
£552 GBP
View
Retailer 4
-
$928 USD
€884 EUR
View
Price last confirmed 8 days ago
A
Retailer 5
-
$1,299 USD
A$1,998 AUD
View
B+
Retailer 6
-
$1,580 USD
View
B+
Retailer 7
-
$1,617 USD
View
B+
Retailer 8
-
$1,653 USD
View
B+
Retailer 9
-
$1,655 USD
View
B+
Retailer 10
-
$2,124 USD
View
B
Retailer 11
-
$2,567 USD
£2,021 GBP
View
B
Retailer 12
-
$2,770 USD
View
Most Expensive
B
Brilliant Earth
22210372A · Nov 1
$3,400 USD
View
12 more retailers have this diamond
Prices start from $496 USDSave up to $2,904 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
$496 USD