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Marquise|Lab Grown|IGI

1.51ct F VS1 Marquise Lab Grown Diamond

ID • F/VS1 • IGI LG825654653

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG825654653

Diamond specifications and retailer prices

From $243 USD
As of November 4, 2026
Save $985 USD (80%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $1,228 USD at Brilliance · As of November 5, 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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG825654653 or 825654653. Listed at 21 retailers as of November 4, 2026, with prices from $243 to $1,228, a $985 spread on the same certified stone. Brilliance lists it at $1,228. 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
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.4°
Pavilion angle41.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825654653
Dimensions11.76 × 5.96 × 3.75 mm
L/W Ratio1.97
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.76 mm5.96 mm1.51 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825654653
Side View
Table 65.0%Crown 32.4°Girdle: ThickPavilion 41.9°Culet: NoneDepth 62.9%

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: Nov 4
Current: $1,228 USD|Low: $243 USD|High: $1,238 USD|Avg: $676 USD|+2.3%
Brilliance
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
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Retailer 11
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Retailer 13
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Retailer 21
November 5, 2026
Retailer 11$243 USD
Retailer 12$272 USD
Retailer 7$282 USD
Retailer 4$302 USD
Retailer 6$302 USD
Retailer 2$350 USD
Retailer 21$508 USD
Retailer 8$520 USD
Retailer 17$521 USD
Retailer 13$567 USD
Retailer 19$627 USD
Retailer 3$703 USD
Retailer 16$778 USD
Retailer 20$915 USD
Retailer 9$937 USD
Retailer 5$970 USD
Retailer 14$976 USD
Retailer 10$1,022 USD
Retailer 15$1,210 USD
Retailer 18$1,210 USD
Brilliance$1,228 USD

27 data points across 21 retailers

21 retailers$243 USD to $1,228 USD

A
Cheapest Retailer
-
$243 USD
A
Retailer 2
-
$272 USD
View
Final sale: no returns
A
Retailer 3
-
$282 USD
View
Retailer 4
-
$302 USD
View
Price last confirmed 12 days ago
A
Retailer 5
-
$302 USD
View
A
Retailer 6
-
$350 USD
View
A
Retailer 7
-
$508 USD
View
A
Retailer 8
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$520 USD
View
A
Retailer 9
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$521 USD
View
A
Retailer 10
-
$567 USD
View
A
Retailer 11
-
$627 USD
View
Retailer 12
-
$703 USD
View
Price last confirmed 10 days ago
B+
Retailer 13
-
$778 USD
View
Retailer 14
-
$915 USD
View
Price last confirmed 8 days ago
B+
Retailer 15
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$937 USD
View
B+
Retailer 16
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$970 USD
View
B+
Retailer 17
-
$976 USD
View
B
Retailer 18
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$1,022 USD
View
B
Retailer 19
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$1,210 USD
View
B
Retailer 20
-
$1,210 USD
View
Most Expensive
B
Brilliance
D45528945 · Nov 5
$1,228 USD
View
20 more retailers have this diamond
Prices start from $243 USDSave up to $985 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
$243 USD