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Marquise|Lab Grown|IGI

1.51ct F VVS1 Marquise Lab Grown Diamond

F/VVS1 • IGI LG780664457

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG780664457

Diamond specifications and retailer prices

From $312 USD
As of November 6, 2026
Save $1,298 USD (81%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $1,610 USD at Brilliant Earth · As of November 6, 2026
View at Brilliant Earth

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 VVS1 clarity (very-very-slightly-included) and certified by IGI LG780664457 or 780664457. Listed at 22 retailers as of November 6, 2026, with prices from $312 to $1,610, a $1,298 spread on the same certified stone. Brilliant Earth lists it at $1,610. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.51
Carat
F
Color
VVS1
Clarity
-
Cut

Specifications

Cut
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780664457
Dimensions11.46 × 6.02 × 3.70 mm
L/W Ratio1.90
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.46 mm6.02 mm1.51 ctF / VVS1
OriginLab Grown
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780664457
Side View
Table 64.0%Crown 34°Girdle: MED-THKPavilion 40.1°Culet: NoneDepth 61.5%

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 6
Current: $1,610 USD|Low: $312 USD|High: $1,620 USD|Avg: $871 USD|-0.6%
Brilliant Earth
Retailer 2
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Retailer 22
November 6, 2026
Retailer 6$312 USD
Retailer 5$349 USD
Retailer 18$362 USD
Retailer 11$387 USD
Retailer 14$388 USD
Retailer 22$540 USD
Retailer 4$628 USD
Retailer 15$644 USD
Retailer 17$666 USD
Retailer 2$681 USD
Retailer 3$720 USD
Retailer 13$908 USD
Retailer 16$971 USD
Retailer 12$1,205 USD
Retailer 9$1,234 USD
Retailer 8$1,238 USD
Retailer 20$1,243 USD
Retailer 7$1,287 USD
Retailer 10$1,289 USD
Retailer 21$1,486 USD
Retailer 19$1,549 USD
Brilliant Earth$1,610 USD

28 data points across 22 retailers

22 retailers$312 USD to $1,610 USD

A
Cheapest Retailer
-
$312 USD
A
Retailer 2
-
$349 USD
View
Final sale: no returns
A
Retailer 3
-
$362 USD
View
A
Retailer 4
-
$387 USD
View
Retailer 5
-
$388 USD
View
Price last confirmed 13 days ago
A
Retailer 6
-
$540 USD
View
A
Retailer 7
-
$628 USD
View
B+
Retailer 8
-
$644 USD
View
B+
Retailer 9
-
$666 USD
View
B+
Retailer 10
-
$681 USD
View
B+
Retailer 11
-
$720 USD
View
B+
Retailer 12
-
$908 USD
View
B
Retailer 13
-
$971 USD
View
B
Retailer 14
-
$1,205 USD
View
B
Retailer 15
-
$1,234 USD
View
B
Retailer 16
-
$1,238 USD
View
B
Retailer 17
-
$1,243 USD
View
Retailer 18
-
$1,287 USD
View
Price last confirmed 8 days ago
B
Retailer 19
-
$1,289 USD
View
B
Retailer 20
-
$1,486 USD
View
B
Retailer 21
-
$1,549 USD
View
Most Expensive
B
Brilliant Earth
21501131A · Nov 6
$1,610 USD
View
21 more retailers have this diamond
Prices start from $312 USDSave up to $1,298 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
$312 USD