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Marquise|Lab Grown|IGI

1.81ct F VVS1 Marquise Lab Grown Diamond

EX • F/VVS1 • IGI LG843628412

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG843628412

Diamond specifications and retailer prices

From $313 USD
As of November 1, 2026
Save $1,572 USD (83%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $1,885 USD at Rare Carat · As of October 28, 2026
View at Rare Carat

About this 1.81ct lab-grown marquise diamond

This 1.81ct lab-grown marquise sits in the one-and-a-half to two carat band, graded F colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG843628412 or 843628412. Listed at 3 retailers as of October 28, 2026, with prices from $313 to $1,885, a $1,572 spread on the same certified stone. Rare Carat lists it at $1,885. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.81
Carat
F
Color
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843628412
Dimensions12.73 × 6.35 × 3.98 mm
L/W Ratio2.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.73 mm6.35 mm1.81 ctF / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843628412
Side View
Table 60.0%Crown 34.4°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 62.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: $1,885 USD|Low: $313 USD|High: $1,885 USD|Avg: $999 USD
Rare Carat
Retailer 2
Retailer 3
October 30, 2026
Retailer 3$313 USD
Retailer 2$640 USD
Rare Carat$1,885 USD

20 data points across 3 retailers

3 retailers$313 USD to $1,885 USD

A
Cheapest Retailer
-
$313 USD
Final sale: no returns
A
Retailer 2
-
$640 USD
£504 GBP
View
Most Expensive
B
Rare Carat
843628412 · Oct 28
$1,885 USD
View
2 more retailers have this diamond
Prices start from $313 USDSave up to $1,572 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
1.81ct Marquise
$313 USD