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Marquise|Lab Grown|IGI

1.51ct G VVS2 Marquise Lab Grown Diamond

EX • G/VVS2 • IGI LG634416521

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG634416521

Diamond specifications and retailer prices

From $288 USD
As of October 30, 2026
Save $2,262 USD (89%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $2,550 USD at Do Amore Diamonds · As of October 31, 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 G colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG634416521 or 634416521. Listed at 16 retailers as of October 30, 2026, with prices from $288 to $2,550, a $2,262 spread on the same certified stone. Do Amore Diamonds lists it at $2,550. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
G
Color
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG634416521
Dimensions11.78 × 6.16 × 3.75 mm
L/W Ratio1.91
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
11.78 mm6.16 mm1.51 ctG / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG634416521
Side View
Table 61.0%Crown 34.8°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 60.9%

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: Oct 30
Current: $2,550 USD|Low: $288 USD|High: $2,550 USD|Avg: $1,025 USD
Do Amore Diamonds
Retailer 2
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Retailer 21
November 1, 2026
Retailer 7$288 USD
Retailer 6$322 USD
Retailer 2$334 USD
Retailer 17$357 USD
Retailer 3$407 USD
Retailer 15$449 USD
Retailer 19$515 USD
Retailer 5$586 USD
Retailer 21$617 USD
Retailer 16$696 USD
Retailer 9$982 USD
Retailer 20$1,096 USD
Retailer 18$1,266 USD
Retailer 4$1,371 USD
Retailer 8$1,428 USD
Retailer 11$1,530 USD
Retailer 12$1,530 USD
Retailer 13$1,577 USD
Retailer 10$1,615 USD
Retailer 14$2,140 USD
Do Amore Diamonds$2,550 USD

4 data points across 21 retailers

16 retailers$288 USD to $2,550 USD

A
Cheapest Retailer
-
$288 USD
A
Retailer 2
-
$322 USD
View
Final sale: no returns
A
Retailer 3
-
$334 USD
View
A
Retailer 4
-
$357 USD
View
A
Retailer 5
-
$407 USD
View
A
Retailer 6
-
$449 USD
£354 GBP
View
A
Retailer 7
-
$515 USD
View
A
Retailer 8
-
$586 USD
View
A
Retailer 9
-
$617 USD
View
A
Retailer 10
-
$696 USD
£548 GBP
View
B+
Retailer 11
-
$1,096 USD
View
B
Retailer 12
-
$1,266 USD
View
B
Retailer 13
-
$1,371 USD
View
B
Retailer 14
-
$1,428 USD
View
B
Retailer 15
-
$1,577 USD
£1,242 GBP
View
Most Expensive
B
Do Amore Diamonds
27-A5EC8A281 · Oct 31
$2,550 USD
View
15 more retailers have this diamond
Prices start from $288 USDSave up to $2,262 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
$288 USD