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Marquise|Lab Grown|IGI

1.51ct F VVS1 Marquise Lab Grown Diamond

ID • F/VVS1 • IGI LG818621608

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG818621608

Diamond specifications and retailer prices

From $409 USD
As of November 6, 2026
Save $1,861 USD (82%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $2,270 USD at Brilliant Earth · As of November 3, 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), with a top-tier cut grade and certified by IGI LG818621608 or 818621608. Listed at 19 retailers as of November 3, 2026, with prices from $409 to $2,270, a $1,861 spread on the same certified stone. Brilliant Earth lists it at $2,270. 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
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818621608
Dimensions11.79 × 5.94 × 3.69 mm
L/W Ratio1.98
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.79 mm5.94 mm1.51 ctF / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818621608
Side View
Table 59.0%Crown 33.9°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 62.1%

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: $2,270 USD|Low: $492 USD|High: $2,270 USD|Avg: $1,042 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
Retailer 13
November 6, 2026
Retailer 9$525 USD
Retailer 2$588 USD
Retailer 6$599 USD
Retailer 11$631 USD
Retailer 7$642 USD
Retailer 10$858 USD
Retailer 12$1,125 USD
Retailer 13$1,174 USD
Retailer 3$1,205 USD
Retailer 4$1,338 USD
Retailer 5$1,447 USD
Retailer 8$1,464 USD
Brilliant Earth$2,270 USD

45 data points across 13 retailers

19 retailers$409 USD to $2,270 USD

Retailer 1
-
$299 USD
Price last confirmed 30 days ago
Retailer 2
-
$347 USD
View
Price last confirmed 23 days ago
Retailer 3
-
$371 USD
View
Price last confirmed 26 days ago
Retailer 4
-
$371 USD
View
Price last confirmed 35 days ago
A
Retailer 5
-
$409 USD
View
A
Retailer 6
-
$525 USD
View
A
Retailer 7
-
$588 USD
View
A
Retailer 8
-
$599 USD
View
A
Retailer 9
-
$631 USD
View
A
Retailer 10
-
$642 USD
View
B+
Retailer 11
-
$858 USD
View
B
Retailer 12
-
$1,125 USD
View
B+
Retailer 13
-
$1,174 USD
View
Retailer 14
-
$1,193 USD
View
Price last confirmed 34 days ago
B+
Retailer 15
-
$1,205 USD
View
B+
Retailer 16
-
$1,338 USD
View
Retailer 17
-
$1,447 USD
View
Price last confirmed 22 days ago
B
Retailer 18
-
$1,464 USD
View
Most Expensive
B
Brilliant Earth
20853895A · Nov 3
$2,270 USD
View
18 more retailers have this diamond
Prices start from $409 USDSave up to $1,861 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
$409 USD