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Radiant|Lab Grown|IGI

1.51ct D VS1 Radiant Lab Grown Diamond

ID • D/VS1 • IGI LG818617593

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG818617593

Diamond specifications and retailer prices

From $329 AUD
As of November 4, 2026
Save $1,514 AUD (82%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $1,843 AUD at Reve Diamonds · As of November 4, 2026
View at Reve Diamonds

About this 1.51ct lab-grown radiant diamond

This 1.51ct lab-grown radiant 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 LG818617593 or 818617593. Listed at 22 retailers as of November 4, 2026, with prices from $329 to $1,843, a $1,514 spread on the same certified stone. Reve Diamonds lists it at $1,843. 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 angle44°
Pavilion angle34.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818617593
Dimensions8.27 × 5.57 × 3.64 mm
L/W Ratio1.48
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.27 mm5.57 mm1.51 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818617593
Side View
Table 63.0%Crown 44°Girdle: MediumPavilion 34.2°Culet: NoneDepth 65.4%

Caratlytics Score

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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: $1,317 AUD|Low: $329 AUD|High: $1,869 AUD|Avg: $894 AUD|-2.4%
Retailer 1
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Retailer 20
Reve Diamonds
November 5, 2026
Retailer 16$329 AUD
Retailer 17$368 AUD
Retailer 3$382 AUD
Retailer 5$409 AUD
Retailer 13$419 AUD
Retailer 15$453 AUD
Retailer 10$456 AUD
Retailer 7$659 AUD
Retailer 2$693 AUD
Retailer 8$710 AUD
Retailer 4$744 AUD
Retailer 12$761 AUD
Retailer 9$771 AUD
Retailer 6$959 AUD
Retailer 18$1,314 AUD
Retailer 1$1,317 AUD
Retailer 20$1,319 AUD
Retailer 11$1,386 AUD
Retailer 19$1,387 AUD
Retailer 14$1,629 AUD
Reve Diamonds$1,843 AUD

14 data points across 21 retailers

22 retailers$329 AUD to $1,843 AUD

A
Cheapest Retailer
-
$329 AUD
A
Retailer 2
-
$368 AUD
View
Final sale: no returns
A
Retailer 3
-
$382 AUD
View
A
Retailer 4
-
$409 AUD
View
Retailer 5
-
$419 AUD
View
Price last confirmed 11 days ago
A
Retailer 6
-
$453 AUD
View
A
Retailer 7
-
$456 AUD
View
A
Retailer 8
-
$659 AUD
View
A
Retailer 9
-
$693 AUD
View
A
Retailer 10
-
$710 AUD
View
A
Retailer 11
-
$744 AUD
View
A
Retailer 12
-
$761 AUD
View
A
Retailer 13
-
$771 AUD
View
B+
Retailer 14
-
$959 AUD
View
B+
Retailer 15
-
$1,314 AUD
View
B+
Retailer 16
-
$1,317 AUD
View
B+
Retailer 17
-
$1,319 AUD
View
Retailer 18
-
$1,386 AUD
View
Price last confirmed 11 days ago
B+
Retailer 19
-
$1,387 AUD
View
B
Retailer 20
-
$1,629 AUD
View
B
Retailer 21
-
$1,702 AUD
View
Most Expensive
B
Reve Diamonds
91BE9D503 · Nov 4
$1,843 AUD
$1,293 USD
View
21 more retailers have this diamond
Prices start from $329 AUDSave up to $1,514 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 Radiant
$329 AUD