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Marquise|Lab Grown|IGI

1.29ct F VS1 Marquise Lab Grown Diamond

EX • F/VS1 • IGI LG840601632

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG840601632

Diamond specifications and retailer prices

From $320 AUD
As of November 4, 2026
Save $937 AUD (75%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $1,257 AUD at Brilliant Earth · As of November 3, 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 F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG840601632 or 840601632. Listed at 3 retailers as of November 3, 2026, with prices from $320 to $1,257, a $937 spread on the same certified stone. Brilliant Earth lists it at $1,257. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.29
Carat
F
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840601632
Dimensions11.31 × 5.58 × 3.60 mm
L/W Ratio2.03
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.31 mm5.58 mm1.29 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840601632
Side View
Table 56.0%Crown 34.9°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 64.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 4
Current: $1,257 AUD|Low: $320 AUD|High: $1,429 AUD|Avg: $878 AUD|-10.2%
Brilliant Earth
Retailer 2
Retailer 3
November 3, 2026
Retailer 3$320 AUD
Retailer 2$666 AUD
Brilliant Earth$1,257 AUD

21 data points across 3 retailers

3 retailers$320 AUD to $1,257 AUD

A
Cheapest Retailer
-
$320 AUD
Final sale: no returns
A
Retailer 2
-
$666 AUD
View
Most Expensive
B
Brilliant Earth
21608934A · Nov 3
$1,257 AUD
$880 USD
View
2 more retailers have this diamond
Prices start from $320 AUDSave up to $937 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.

A
1.29ct Marquise
$320 AUD