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Marquise|Lab Grown|IGI

1.30ct F VS2 Marquise Lab Grown Diamond

ID • F/VS2 • IGI LG788671800

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG788671800

Diamond specifications and retailer prices

From $770 USD
As of November 5, 2026
Save $249 USD (24%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $1,019 USD at The Diamond Guys · As of November 5, 2026
View at The Diamond Guys

About this 1.3ct lab-grown marquise diamond

This 1.3ct lab-grown marquise sits in the one-and-a-quarter to one-and-a-half carat band, graded F colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG788671800 or 788671800. Listed at 3 retailers as of November 5, 2026, with prices from $770 to $1,019, a $249 spread on the same certified stone. The Diamond Guys lists it at $1,019. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.30
Carat
F
Color
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle41.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG788671800
Dimensions10.86 × 5.72 × 3.67 mm
L/W Ratio1.90
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.86 mm5.72 mm1.30 ctF / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG788671800
Side View
Table 61.0%Crown 34.8°Girdle: MED-STKPavilion 41.8°Culet: NoneDepth 64.2%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 5
Current: $770 USD|Low: $161 USD|High: $1,470 USD|Avg: $750 USD|+1.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
The Diamond Guys
August 3, 2026
Retailer 4$528 USD
Retailer 10$561 USD
Retailer 2$567 USD
Retailer 3$645 USD
Retailer 7$715 USD
Retailer 8$753 USD
Retailer 1$770 USD
Retailer 6$887 USD
Retailer 5$1,010 USD
The Diamond Guys$1,019 USD
Retailer 9$1,050 USD

24 data points across 11 retailers

3 retailers$770 USD to $1,019 USD

Retailer 1
-
$715 USD
Price last confirmed 150 days ago
B
Retailer 2
-
$770 USD
View
Most Expensive
B
The Diamond Guys
1955241507 · Nov 5
$1,019 USD
View
2 more retailers have this diamond
Prices start from $770 USDSave up to $249 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.

B
1.30ct Marquise
$770 USD