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Marquise|Lab Grown|IGI

1.51ct F VS1 Marquise Lab Grown Diamond

ID • F/VS1 • IGI LG763655461

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG763655461

Diamond specifications and retailer prices

From $308 USD
As of November 2, 2026
Save $2,432 USD (89%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: $3,020 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 LG763655461 or 763655461. Listed at 27 retailers as of November 2, 2026, with a 790% 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG763655461
Dimensions11.71 × 6.02 × 3.78 mm
L/W Ratio1.95
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.71 mm6.02 mm1.51 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG763655461
Side View
Table 58.0%Crown 34.9°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.8%

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 2
Current: $3,020 USD|Low: $296 USD|High: $3,020 USD|Avg: $1,051 USD
Do Amore Diamonds
Retailer 2
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Retailer 20
November 4, 2026
Retailer 4$296 USD
Retailer 7$344 USD
Retailer 3$382 USD
Retailer 11$416 USD
Retailer 8$510 USD
Retailer 19$540 USD
Retailer 6$716 USD
Retailer 13$727 USD
Retailer 17$739 USD
Retailer 2$749 USD
Retailer 16$979 USD
Retailer 15$993 USD
Retailer 20$1,020 USD
Retailer 18$1,174 USD
Retailer 5$1,468 USD
Retailer 10$1,516 USD
Retailer 9$1,534 USD
Retailer 12$1,645 USD
Retailer 14$1,690 USD
Do Amore Diamonds$3,020 USD

40 data points across 20 retailers

27 retailers$308 USD to $2,740 USD

Retailer 1
-
$296 USD
Price last confirmed 35 days ago
A
Retailer 2
-
$308 USD
View
A
Retailer 3
-
$344 USD
View
Final sale: no returns
Retailer 4
-
$358 USD
View
Price last confirmed 38 days ago
Retailer 5
-
$382 USD
View
Price last confirmed 12 days ago
Retailer 6
-
$382 USD
View
Price last confirmed 34 days ago
A
Retailer 7
-
$382 USD
View
A
Retailer 8
-
$416 USD
View
A
Retailer 9
-
$510 USD
View
A
Retailer 10
-
$540 USD
View
A
Retailer 11
-
$716 USD
View
A
Retailer 12
-
$727 USD
View
A
Retailer 13
-
$739 USD
View
A
Retailer 14
-
$749 USD
View
Retailer 15
-
$979 USD
View
Price last confirmed 8 days ago
Retailer 16
-
$993 USD
View
Price last confirmed 8 days ago
B+
Retailer 17
-
$1,020 USD
View
B+
Retailer 18
-
$1,174 USD
View
Retailer 19
-
$1,356 USD
View
Price last confirmed 37 days ago
B
Retailer 20
-
$1,356 USD
View
B
Retailer 21
-
$1,468 USD
View
B
Retailer 22
-
$1,516 USD
View
B
Retailer 23
-
$1,534 USD
View
B
Retailer 24
-
$1,645 USD
View
B
Retailer 25
-
$1,690 USD
View
B
Retailer 26
-
$2,740 USD
View
Most Expensive
Do Amore Diamonds
23-763655461 · Nov 4
$3,020 USD
View
Price under review
26 more retailers have this diamond
Prices start from $308 USDSave up to $2,432 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
$308 USD