CaratHunter
Plans
Marquise|Lab Grown|IGI

1.51ct F VS1 Marquise Lab Grown Diamond

EX • F/VS1 • IGI LG765616932

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG765616932

Diamond specifications and retailer prices

From $352 USD
As of November 4, 2026
Save $1,523 USD (81%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $3,480 USD at Do Amore Diamonds · As of November 4, 2026
View at Do Amore Diamonds

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 LG765616932 or 765616932. Listed at 22 retailers as of November 4, 2026, with a 433% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG765616932
Dimensions11.43 × 5.99 × 3.80 mm
L/W Ratio1.91
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.43 mm5.99 mm1.51 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG765616932
Side View
Table 60.0%Crown 36.1°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 63.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $3,480 USD|Low: $272 USD|High: $3,480 USD|Avg: $1,179 USD|+14.9%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
November 5, 2026
Retailer 10$393 USD
Retailer 15$408 USD
Retailer 4$426 USD
Retailer 16$436 USD
Retailer 6$581 USD
Retailer 3$590 USD
Retailer 8$766 USD
Retailer 14$830 USD
Retailer 2$863 USD
Retailer 18$1,029 USD
Retailer 5$1,040 USD
Retailer 13$1,122 USD
Retailer 19$1,279 USD
Retailer 17$1,547 USD
Retailer 11$1,646 USD
Retailer 7$1,670 USD
Retailer 9$1,701 USD
Retailer 12$1,875 USD
Do Amore Diamonds$3,480 USD

21 data points across 19 retailers

22 retailers$352 USD to $1,875 USD

A
Cheapest Retailer
-
$352 USD
A
Retailer 2
-
$393 USD
View
Final sale: no returns
A
Retailer 3
-
$408 USD
View
A
Retailer 4
-
$426 USD
View
A
Retailer 5
-
$436 USD
View
Retailer 6
-
$436 USD
View
Price last confirmed 12 days ago
A
Retailer 7
-
$581 USD
View
A
Retailer 8
-
$590 USD
View
B+
Retailer 9
-
$766 USD
View
B+
Retailer 10
-
$830 USD
View
B+
Retailer 11
-
$863 USD
View
Retailer 12
-
$1,029 USD
View
Price last confirmed 8 days ago
B+
Retailer 13
-
$1,040 USD
View
B+
Retailer 14
-
$1,122 USD
View
B
Retailer 15
-
$1,279 USD
View
B
Retailer 16
-
$1,547 USD
View
B
Retailer 17
-
$1,646 USD
View
B
Retailer 18
-
$1,670 USD
View
B
Retailer 19
-
$1,701 USD
View
B
Retailer 20
-
$1,875 USD
View
Retailer 21
-
$3,120 USD
View
Price under review
Most Expensive
Do Amore Diamonds
23-765616932 · Nov 4
$3,480 USD
View
Price under review
21 more retailers have this diamond
Prices start from $352 USDSave up to $1,523 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
$352 USD