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Marquise|Lab Grown|IGI

1.29ct G VS1 Marquise Lab Grown Diamond

ID • G/VS1 • IGI LG770644697

Shape and cutting style on the report: Marquise modified brilliant

Certificate IGI LG770644697

Diamond specifications and retailer prices

From $217 USD
As of November 4, 2026
Save $1,003 USD (82%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,220 USD at Brilliant Earth · As of November 5, 2026
View at Brilliant Earth

About this 1.29ct lab-grown marquise diamond

This 1.29ct lab-grown marquise sits in the one-and-a-quarter to one-and-a-half carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG770644697 or 770644697. Listed at 17 retailers as of November 4, 2026, with prices from $217 to $1,220, a $1,003 spread on the same certified stone. Brilliant Earth lists it at $1,220. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.29
Carat
G
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG770644697
Dimensions11.09 × 5.53 × 3.29 mm
L/W Ratio2.01
Girdle conditionFaceted
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.09 mm5.53 mm1.29 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG770644697
Side View
Table 58.0%Crown 35.1°Girdle: MED-STKPavilion 40.3°Culet: LargeDepth 59.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 4
Current: $1,220 USD|Low: $217 USD|High: $1,220 USD|Avg: $587 USD
Brilliant Earth
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
November 5, 2026
Retailer 16$217 USD
Retailer 14$252 USD
Retailer 4$269 USD
Retailer 15$269 USD
Retailer 12$451 USD
Retailer 3$462 USD
Retailer 11$464 USD
Retailer 2$494 USD
Retailer 8$497 USD
Retailer 6$514 USD
Retailer 10$657 USD
Retailer 5$865 USD
Retailer 13$868 USD
Retailer 7$980 USD
Retailer 9$1,074 USD
Brilliant Earth$1,220 USD

27 data points across 16 retailers

17 retailers$217 USD to $1,220 USD

A
Cheapest Retailer
-
$217 USD
A
Retailer 2
-
$252 USD
View
A
Retailer 3
-
$269 USD
View
Retailer 4
-
$269 USD
View
Price last confirmed 12 days ago
Retailer 5
-
$451 USD
View
Price last confirmed 10 days ago
A
Retailer 6
-
$462 USD
View
A
Retailer 7
-
$464 USD
View
A
Retailer 8
-
$494 USD
View
A
Retailer 9
-
$497 USD
View
A
Retailer 10
-
$514 USD
View
B+
Retailer 11
-
$657 USD
View
B
Retailer 12
-
$865 USD
View
B
Retailer 13
-
$868 USD
View
B
Retailer 14
-
$917 USD
View
B
Retailer 15
-
$1,000 USD
View
B
Retailer 16
-
$1,074 USD
View
Most Expensive
B
Brilliant Earth
18082466A · Nov 5
$1,220 USD
View
16 more retailers have this diamond
Prices start from $217 USDSave up to $1,003 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
1.29ct Marquise
$217 USD