Marquise|Lab Grown|IGI

1.51ct F VS1 Marquise Lab Grown Diamond

EX • F/VS1 • IGI LG789616940

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG789616940

Diamond specifications and retailer prices

From $362 USD
As of November 1, 2026
Save $894 USD (71%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $2,310 USD at Do Amore Diamonds · As of October 29, 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 LG789616940 or 789616940. Listed at 17 retailers as of October 30, 2026, with a 247% 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 angle35°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG789616940
Dimensions11.67 × 6.00 × 3.77 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
11.67 mm6.00 mm1.51 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG789616940
Side View
Table 58.0%Crown 35°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 62.8%

Caratlytics Score

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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 1
Current: $2,310 USD|Low: $238 USD|High: $2,380 USD|Avg: $826 USD|+2.7%
Do Amore Diamonds
Retailer 2
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Retailer 18
October 29, 2026
Retailer 18$240 USD
Retailer 8$279 USD
Retailer 5$362 USD
Retailer 2$386 USD
Retailer 17$399 USD
Retailer 16$413 USD
Retailer 13$519 USD
Retailer 10$622 USD
Retailer 9$678 USD
Retailer 7$690 USD
Retailer 12$764 USD
Retailer 11$936 USD
Retailer 4$961 USD
Retailer 3$1,057 USD
Retailer 6$1,256 USD
Retailer 14$1,319 USD
Retailer 15$1,346 USD
Do Amore Diamonds$2,310 USD

32 data points across 18 retailers

17 retailers$362 USD to $1,256 USD

Retailer 1
-
$240 USD
Price last confirmed 10 days ago
Retailer 2
-
$279 USD
View
Price last confirmed 9 days ago
A
Retailer 3
-
$362 USD
View
Retailer 4
-
$386 USD
View
Price last confirmed 8 days ago
Retailer 5
-
$399 USD
View
Price last confirmed 9 days ago
Retailer 6
-
$413 USD
View
Price last confirmed 10 days ago
Retailer 7
-
$519 USD
View
Price last confirmed 10 days ago
Retailer 8
-
$678 USD
View
Price last confirmed 24 days ago
Retailer 9
-
$690 USD
View
Price last confirmed 13 days ago
Retailer 10
-
$764 USD
View
Price last confirmed 9 days ago
Retailer 11
-
$936 USD
View
Price last confirmed 8 days ago
B+
Retailer 12
-
$961 USD
View
Retailer 13
-
$1,057 USD
View
Price last confirmed 9 days ago
B
Retailer 14
-
$1,256 USD
View
Retailer 15
-
$1,319 USD
View
Price last confirmed 11 days ago
Retailer 16
-
$1,346 USD
View
Price last confirmed 8 days ago
Most Expensive
Do Amore Diamonds
27-25018D6BA · Oct 29
$2,310 USD
View
Price last confirmed 7 days ago
16 more retailers have this diamond
Prices start from $362 USDSave up to $894 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
$362 USD