Marquise|Lab Grown|IGI

1.51ct F VS2 Marquise Lab Grown Diamond

EX • F/VS2 • IGI LG826610306

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG826610306

Diamond specifications and retailer prices

From $229 USD
As of November 2, 2026
Save $925 USD (80%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $1,154 USD at Brilliance · As of November 1, 2026
View at Brilliance

About this 1.51ct lab-grown marquise diamond

This 1.51ct lab-grown marquise sits in the one-and-a-half to two carat band, graded F colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG826610306 or 826610306. Listed at 8 retailers as of November 1, 2026, with prices from $229 to $1,154, a $925 spread on the same certified stone. Brilliance lists it at $1,154. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
F
Color
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG826610306
Dimensions12.19 × 6.01 × 3.65 mm
L/W Ratio2.03
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.19 mm6.01 mm1.51 ctF / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG826610306
Side View
Table 60.0%Crown 33.7°Girdle: MED-STKPavilion 39.4°Culet: NoneDepth 60.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 2
Current: $1,154 USD|Low: $286 USD|High: $1,230 USD|Avg: $749 USD|-6.2%
Brilliance
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 7$286 USD
Retailer 2$347 USD
Retailer 6$482 USD
Retailer 5$491 USD
Retailer 3$525 USD
Retailer 4$915 USD
Retailer 9$973 USD
Brilliance$1,154 USD
Retailer 8$1,160 USD

14 data points across 9 retailers

8 retailers$229 USD to $1,154 USD

A
Cheapest Retailer
-
$229 USD
Retailer 2
-
$283 USD
View
Price last confirmed 38 days ago
A
Retailer 3
-
$347 USD
£273 GBP
View
A
Retailer 4
-
$482 USD
View
A
Retailer 5
-
$491 USD
View
A
Retailer 6
-
$525 USD
£414 GBP
View
B+
Retailer 7
-
$915 USD
View
Most Expensive
B
Brilliance
D44248588 · Nov 1
$1,154 USD
View
7 more retailers have this diamond
Prices start from $229 USDSave up to $925 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
1.51ct Marquise
$229 USD