Marquise|Lab Grown|IGI

1.51ct G VVS2 Marquise Lab Grown Diamond

ID • G/VVS2 • IGI LG850694188

Certificate IGI LG850694188

Diamond specifications and retailer prices

From $231 USD
As of November 4, 2026
Save $1,569 USD (87%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $1,800 USD at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

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 LG850694188 or 850694188. Listed at 10 retailers as of November 4, 2026, with prices from $231 to $1,800, a $1,569 spread on the same certified stone. Brilliant Earth lists it at $1,800. 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
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG850694188
Dimensions6.05 × 11.41 × 3.78 mm
L/W Ratio1.89
Top View
6.05 mm11.41 mm1.51 ctG / VVS2
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG850694188
Side View
Table 61.0%CrownGirdle: Slightly ThickPavilionCulet: NoneDepth 62.5%

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: $1,800 USD|Low: $231 USD|High: $1,800 USD|Avg: $780 USD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 4, 2026
Retailer 4$231 USD
Retailer 9$268 USD
Retailer 3$320 USD
Retailer 2$326 USD
Retailer 7$486 USD
Retailer 6$920 USD
Retailer 8$924 USD
Retailer 5$972 USD
Retailer 10$1,164 USD
Brilliant Earth$1,800 USD

2 data points across 10 retailers

10 retailers$231 USD to $1,800 USD

A
Cheapest Retailer
-
$231 USD
A
Retailer 2
-
$268 USD
View
A
Retailer 3
-
$320 USD
View
A
Retailer 4
-
$326 USD
View
A
Retailer 5
-
$486 USD
View
B+
Retailer 6
-
$920 USD
View
B+
Retailer 7
-
$924 USD
View
B+
Retailer 8
-
$972 USD
View
B
Retailer 9
-
$1,164 USD
View
Most Expensive
B
Brilliant Earth
22503694A · Nov 4
$1,800 USD
View
9 more retailers have this diamond
Prices start from $231 USDSave up to $1,569 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
$231 USD