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Marquise|Lab Grown|IGI

1.51ct E VVS1 Marquise Lab Grown Diamond

EX • E/VVS1 • IGI LG772649101

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG772649101

Diamond specifications and retailer prices

From $267 USD
As of November 4, 2026
Save $1,141 USD (81%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $1,420 USD at Rare Carat · As of October 28, 2026
View at Rare Carat

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 E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG772649101 or 772649101. Listed at 23 retailers as of November 4, 2026, with a 427% 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
E
Color
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.2°
Pavilion angle41.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG772649101
Dimensions11.88 × 5.91 × 3.79 mm
L/W Ratio2.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.88 mm5.91 mm1.51 ctE / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG772649101
Side View
Table 60.0%Crown 39.2°Girdle: MED-STKPavilion 41.9°Culet: NoneDepth 64.1%

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 4
Current: $1,420 USD|Low: $257 USD|High: $1,425 USD|Avg: $724 USD|-0.4%
Rare Carat
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
November 4, 2026
Retailer 6$267 USD
Retailer 4$298 USD
Retailer 10$310 USD
Retailer 7$332 USD
Retailer 2$349 USD
Retailer 18$448 USD
Retailer 15$490 USD
Retailer 12$571 USD
Retailer 16$592 USD
Retailer 9$628 USD
Retailer 11$629 USD
Retailer 14$770 USD
Retailer 17$1,019 USD
Retailer 8$1,066 USD
Retailer 3$1,276 USD
Retailer 13$1,336 USD
Retailer 5$1,408 USD
Rare Carat$1,420 USD

36 data points across 18 retailers

23 retailers$267 USD to $1,408 USD

A
Cheapest Retailer
-
$267 USD
A
Retailer 2
-
$298 USD
View
Final sale: no returns
A
Retailer 3
-
$310 USD
View
A
Retailer 4
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$332 USD
View
Retailer 5
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$332 USD
View
Price last confirmed 10 days ago
A
Retailer 6
-
$349 USD
View
B+
Retailer 7
-
$448 USD
View
A
Retailer 8
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$490 USD
View
A
Retailer 9
-
$571 USD
View
Retailer 10
-
$592 USD
View
Price last confirmed 10 days ago
A
Retailer 11
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$628 USD
View
A
Retailer 12
-
$629 USD
View
A
Retailer 13
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$669 USD
View
Retailer 14
-
$770 USD
View
Price last confirmed 7 days ago
B+
Retailer 15
-
$1,019 USD
View
B+
Retailer 16
-
$1,066 USD
View
B+
Retailer 17
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$1,070 USD
View
B+
Retailer 18
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$1,116 USD
View
B
Retailer 19
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$1,276 USD
View
B
Retailer 20
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$1,295 USD
View
B
Retailer 21
-
$1,336 USD
View
B
Retailer 22
-
$1,408 USD
View
Most Expensive
Rare Carat
DE4360_l_772649101 · Oct 28
$1,420 USD
View
Price last confirmed 7 days ago
22 more retailers have this diamond
Prices start from $267 USDSave up to $1,141 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
$267 USD