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Marquise|Lab Grown|IGI

1.84ct D VS1 Marquise Lab Grown Diamond

EX • D/VS1 • IGI LG840656320

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG840656320

Diamond specifications and retailer prices

From $470 AUD
$330 USD
As of November 1, 2026
Save $2,036 AUD (81%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $2,506 AUD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.84ct lab-grown marquise diamond

This 1.84ct lab-grown marquise sits in the one-and-a-half to two carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG840656320 or 840656320. Listed at 4 retailers as of October 30, 2026, with prices from $470 to $2,506, a $2,036 spread on the same certified stone. Brilliant Earth lists it at $2,506. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.84
Carat
D
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840656320
Dimensions12.15 × 6.45 × 4.08 mm
L/W Ratio1.88
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.15 mm6.45 mm1.84 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840656320
Side View
Table 60.0%Crown 35.4°Girdle: STK-THKPavilion 40.6°Culet: NoneDepth 63.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: $2,506 AUD|Low: $470 AUD|High: $2,634 AUD|Avg: $1,574 AUD|-4.9%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
November 1, 2026
Retailer 3$470 AUD
Retailer 2$953 AUD
Retailer 4$2,114 AUD
Brilliant Earth$2,506 AUD

28 data points across 4 retailers

4 retailers$470 AUD to $2,506 AUD

A
Cheapest Retailer
-
$470 AUD
$330 USD
Final sale: no returns
A
Retailer 2
-
$953 AUD
£527 GBP
View
B
Retailer 3
-
$2,114 AUD
$1,485 USD
View
Most Expensive
B
Brilliant Earth
21703881A · Oct 30
$2,506 AUD
$1,760 USD
View
3 more retailers have this diamond
Prices start from $470 AUDSave up to $2,036 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
1.84ct Marquise
$470 AUD