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Marquise|Lab Grown|IGI

1.51ct D VS1 Marquise Lab Grown Diamond

ID • D/VS1 • IGI LG842650012

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG842650012

Diamond specifications and retailer prices

From $372 AUD
As of November 4, 2026
Save $2,023 AUD (84%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $2,395 AUD at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 1.51ct lab-grown marquise diamond

This 1.51ct 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 LG842650012 or 842650012. Listed at 25 retailers as of November 4, 2026, with prices from $372 to $2,395, a $2,023 spread on the same certified stone. Brilliant Earth lists it at $2,395. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG842650012
Dimensions12.35 × 5.99 × 3.67 mm
L/W Ratio2.06
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.35 mm5.99 mm1.51 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG842650012
Side View
Table 57.0%Crown 35°Girdle: THN-MEDPavilion 39.8°Culet: NoneDepth 61.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $2,395 AUD|Low: $372 AUD|High: $3,065 AUD|Avg: $1,092 AUD|-21.9%
Brilliant Earth
Retailer 2
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Retailer 25
November 5, 2026
Retailer 11$372 AUD
Retailer 12$415 AUD
Retailer 4$431 AUD
Retailer 8$460 AUD
Retailer 15$460 AUD
Retailer 13$512 AUD
Retailer 23$620 AUD
Retailer 7$691 AUD
Retailer 24$730 AUD
Retailer 10$758 AUD
Retailer 20$794 AUD
Retailer 2$872 AUD
Retailer 17$942 AUD
Retailer 14$965 AUD
Retailer 19$1,078 AUD
Retailer 22$1,098 AUD
Retailer 18$1,426 AUD
Retailer 16$1,481 AUD
Retailer 25$1,518 AUD
Retailer 9$1,554 AUD
Retailer 3$1,618 AUD
Retailer 5$1,813 AUD
Retailer 21$1,846 AUD
Retailer 6$1,977 AUD
Brilliant Earth$2,395 AUD

31 data points across 25 retailers

25 retailers$372 AUD to $2,395 AUD

A
Cheapest Retailer
-
$372 AUD
A
Retailer 2
-
$415 AUD
View
Final sale: no returns
A
Retailer 3
-
$431 AUD
View
Retailer 4
-
$460 AUD
View
Price last confirmed 11 days ago
A
Retailer 5
-
$460 AUD
View
A
Retailer 6
-
$512 AUD
View
B+
Retailer 7
-
$620 AUD
View
A
Retailer 8
-
$691 AUD
View
Retailer 9
-
$730 AUD
View
Price last confirmed 9 days ago
A
Retailer 10
-
$758 AUD
View
A
Retailer 11
-
$794 AUD
View
A
Retailer 12
-
$872 AUD
View
B+
Retailer 13
-
$942 AUD
View
B+
Retailer 14
-
$965 AUD
View
B+
Retailer 15
-
$1,078 AUD
View
B+
Retailer 16
-
$1,098 AUD
View
B+
Retailer 17
-
$1,426 AUD
View
B
Retailer 18
-
$1,481 AUD
View
Retailer 19
-
$1,518 AUD
View
Price last confirmed 11 days ago
B
Retailer 20
-
$1,554 AUD
View
Retailer 21
-
$1,618 AUD
View
Price last confirmed 18 days ago
B
Retailer 22
-
$1,813 AUD
View
B
Retailer 23
-
$1,846 AUD
View
B
Retailer 24
-
$1,977 AUD
View
Most Expensive
B
Brilliant Earth
22168279A · Nov 4
$2,395 AUD
$1,680 USD
View
24 more retailers have this diamond
Prices start from $372 AUDSave up to $2,023 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
1.51ct Marquise
$372 AUD