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Radiant|Lab Grown|IGI

1.51ct D VVS1 Radiant Lab Grown Diamond

ID • D/VVS1 • IGI LG631468449

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

Certificate IGI LG631468449

Diamond specifications and retailer prices

From $366 AUD
As of November 4, 2026
Save $1,592 AUD (81%) vs most expensive(unlock to see where)
31 retailers carry this diamond
Most expensive: $2,274 AUD at Rare Carat · As of August 31, 2026
View at Rare Carat

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 VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG631468449 or 631468449. Listed at 31 retailers as of November 4, 2026, with a 435% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle32.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG631468449
Dimensions5.73 × 5.73 × 3.72 mm
L/W Ratio1.00
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
5.73 mm5.73 mm1.51 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG631468449
Side View
Table 64.0%Crown 33.7°Girdle: MediumPavilion 32.6°Culet: NoneDepth 64.9%

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: $857 AUD|Low: $366 AUD|High: $1,959 AUD|Avg: $1,129 AUD|-2.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
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Retailer 9
Retailer 10
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Retailer 12
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Retailer 20
November 5, 2026
Retailer 20$366 AUD
Retailer 17$409 AUD
Retailer 9$529 AUD
Retailer 3$641 AUD
Retailer 18$684 AUD
Retailer 16$753 AUD
Retailer 15$783 AUD
Retailer 7$828 AUD
Retailer 1$857 AUD
Retailer 5$962 AUD
Retailer 8$1,004 AUD
Retailer 14$1,061 AUD
Retailer 19$1,394 AUD
Retailer 13$1,483 AUD
Retailer 10$1,531 AUD
Retailer 11$1,532 AUD
Retailer 6$1,786 AUD
Retailer 12$1,813 AUD
Retailer 2$1,845 AUD
Retailer 4$1,959 AUD

41 data points across 20 retailers

31 retailers$366 AUD to $1,959 AUD

A
Cheapest Retailer
-
$366 AUD
Retailer 2
-
$366 AUD
View
Price last confirmed 28 days ago
Retailer 3
-
$379 AUD
View
Price last confirmed 36 days ago
A
Retailer 4
-
$409 AUD
View
Final sale: no returns
Retailer 5
-
$439 AUD
View
Price last confirmed 39 days ago
Retailer 6
-
$453 AUD
View
Price last confirmed 33 days ago
Retailer 7
-
$463 AUD
View
Price last confirmed 37 days ago
A
Retailer 8
-
$529 AUD
View
B+
Retailer 9
-
$641 AUD
View
A
Retailer 10
-
$684 AUD
View
A
Retailer 11
-
$753 AUD
View
A
Retailer 12
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$783 AUD
View
A
Retailer 13
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$828 AUD
View
Retailer 14
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$844 AUD
View
Price last confirmed 21 days ago
A
Retailer 15
-
$857 AUD
View
A
Retailer 16
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$962 AUD
View
B+
Retailer 17
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$1,004 AUD
View
B+
Retailer 18
-
$1,061 AUD
View
B+
Retailer 19
-
$1,394 AUD
View
B+
Retailer 20
-
$1,458 AUD
View
Retailer 21
-
$1,458 AUD
View
Price last confirmed 26 days ago
B+
Retailer 22
-
$1,483 AUD
View
Retailer 23
-
$1,510 AUD
View
Price last confirmed 36 days ago
B+
Retailer 24
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$1,531 AUD
View
B+
Retailer 25
-
$1,532 AUD
View
B
Retailer 26
-
$1,786 AUD
View
B+
Retailer 27
-
$1,813 AUD
View
Retailer 28
-
$1,845 AUD
View
Price last confirmed 28 days ago
B
Retailer 29
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$1,956 AUD
View
B
Retailer 30
-
$1,959 AUD
View
Most Expensive
Rare Carat
23658-2036-81_l_631468449 · Aug 31
$2,274 AUD
$1,596 USD
View
Price last confirmed 65 days ago
30 more retailers have this diamond
Prices start from $366 AUDSave up to $1,592 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
$366 AUD