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Radiant|Lab Grown|IGI

1.51ct D VVS1 Radiant Lab Grown Diamond

EX • D/VVS1 • IGI LG696515605

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

Certificate IGI LG696515605

Diamond specifications and retailer prices

From $328 AUD
As of November 4, 2026
Save $2,822 AUD (90%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: $3,874 AUD at Queensmith · As of October 27, 2026
View at Queensmith

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 LG696515605 or 696515605. Listed at 26 retailers as of November 4, 2026, with a 861% 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle35.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG696515605
Dimensions8.45 × 5.75 × 3.85 mm
L/W Ratio1.47
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
8.45 mm5.75 mm1.51 ctD / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG696515605
Side View
Table 60.0%Crown 33.9°Girdle: Slightly ThickPavilion 35.1°Culet: NoneDepth 67.0%

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: $845 AUD|Low: $325 AUD|High: $3,150 AUD|Avg: $1,220 AUD|-2.3%
Retailer 1
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Retailer 24
November 5, 2026
Retailer 4$328 AUD
Retailer 13$365 AUD
Retailer 23$381 AUD
Retailer 8$406 AUD
Retailer 14$406 AUD
Retailer 12$472 AUD
Retailer 21$600 AUD
Retailer 16$602 AUD
Retailer 3$741 AUD
Retailer 6$765 AUD
Retailer 19$774 AUD
Retailer 1$845 AUD
Retailer 18$1,049 AUD
Retailer 7$1,310 AUD
Retailer 5$1,441 AUD
Retailer 11$1,652 AUD
Retailer 17$1,684 AUD
Retailer 15$1,732 AUD
Retailer 24$1,738 AUD
Retailer 20$1,798 AUD
Retailer 10$1,835 AUD
Retailer 2$2,124 AUD
Retailer 22$2,395 AUD
Retailer 9$3,150 AUD

39 data points across 24 retailers

26 retailers$328 AUD to $3,150 AUD

A
Cheapest Retailer
-
$328 AUD
A
Retailer 2
-
$365 AUD
View
Final sale: no returns
A
Retailer 3
-
$381 AUD
View
Retailer 4
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$406 AUD
View
Price last confirmed 11 days ago
A
Retailer 5
-
$406 AUD
View
A
Retailer 6
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$472 AUD
View
B+
Retailer 7
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$600 AUD
View
A
Retailer 8
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$602 AUD
View
A
Retailer 9
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$741 AUD
View
A
Retailer 10
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$765 AUD
View
A
Retailer 11
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$774 AUD
View
A
Retailer 12
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$845 AUD
View
B+
Retailer 13
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$1,049 AUD
View
B+
Retailer 14
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$1,310 AUD
View
B+
Retailer 15
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$1,441 AUD
View
B+
Retailer 16
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$1,598 AUD
View
Retailer 17
-
$1,652 AUD
View
Price last confirmed 10 days ago
B
Retailer 18
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$1,684 AUD
View
B
Retailer 19
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$1,732 AUD
View
B
Retailer 20
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$1,738 AUD
View
B+
Retailer 21
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$1,798 AUD
View
B
Retailer 22
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$1,835 AUD
View
Retailer 23
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$2,124 AUD
View
Price last confirmed 8 days ago
B
Retailer 24
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$2,395 AUD
View
B
Retailer 25
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$3,150 AUD
View
Most Expensive
Queensmith
LG696515605 · Oct 27
$3,874 AUD
£2,140 GBP
View
Price last confirmed 8 days ago
25 more retailers have this diamond
Prices start from $328 AUDSave up to $2,822 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
$328 AUD