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Marquise|Lab Grown|IGI

1.30ct F VS1 Marquise Lab Grown Diamond

ID • F/VS1 • IGI LG790644375

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG790644375

Diamond specifications and retailer prices

From $1,077 AUD
As of November 5, 2026
Save $349 AUD (24%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $1,426 AUD 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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG790644375 or 790644375. Listed at 3 retailers as of November 5, 2026, with prices from $1,077 to $1,426, a $349 spread on the same certified stone. The Diamond Guys lists it at $1,426. 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
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG790644375
Dimensions11.33 × 5.73 × 3.56 mm
L/W Ratio1.98
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.33 mm5.73 mm1.30 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG790644375
Side View
Table 61.0%Crown 35.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.1%

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: $1,077 AUD|Low: $226 AUD|High: $2,100 AUD|Avg: $1,013 AUD|+1.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
The Diamond Guys
August 3, 2026
Retailer 4$643 AUD
Retailer 7$740 AUD
Retailer 5$744 AUD
Retailer 8$789 AUD
Retailer 9$803 AUD
Retailer 1$1,077 AUD
Retailer 6$1,090 AUD
Retailer 3$1,250 AUD
The Diamond Guys$1,426 AUD
Retailer 2$1,514 AUD

17 data points across 10 retailers

3 retailers$1,077 AUD to $1,426 AUD

Retailer 1
-
$744 AUD
Price last confirmed 158 days ago
B
Retailer 2
-
$1,077 AUD
View
Most Expensive
B
The Diamond Guys
1955241444 · Nov 5
$1,426 AUD
$998 USD
View
2 more retailers have this diamond
Prices start from $1,077 AUDSave up to $349 AUD

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
$1,077 AUD