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Radiant|Lab Grown|IGI

1.51ct D VVS2 Radiant Lab Grown Diamond

EX • D/VVS2 • IGI LG661407650

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

Certificate IGI LG661407650

Diamond specifications and retailer prices

From $318 AUD
As of November 4, 2026
Save $2,733 AUD (90%) vs most expensive(unlock to see where)
30 retailers carry this diamond
Most expensive: $3,450 AUD at Brilliant Earth · As of October 27, 2026
View at Brilliant Earth

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 VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG661407650 or 661407650. Listed at 30 retailers as of November 4, 2026, with a 860% 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
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.9°
Pavilion angle34.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG661407650
Dimensions5.88 × 5.88 × 3.81 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
5.88 mm5.88 mm1.51 ctD / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG661407650
Side View
Table 65.0%Crown 40.9°Girdle: MediumPavilion 34.6°Culet: NoneDepth 64.8%

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: $3,450 AUD|Low: $318 AUD|High: $3,635 AUD|Avg: $1,210 AUD|-5.1%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
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Retailer 11
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Retailer 24
November 5, 2026
Retailer 3$318 AUD
Retailer 22$369 AUD
Retailer 16$392 AUD
Retailer 17$413 AUD
Retailer 11$602 AUD
Retailer 4$616 AUD
Retailer 6$633 AUD
Retailer 20$724 AUD
Retailer 19$750 AUD
Retailer 10$754 AUD
Retailer 2$817 AUD
Retailer 9$957 AUD
Retailer 18$1,016 AUD
Retailer 24$1,270 AUD
Retailer 15$1,487 AUD
Retailer 21$1,518 AUD
Retailer 7$1,601 AUD
Retailer 12$1,639 AUD
Retailer 13$1,735 AUD
Retailer 14$1,765 AUD
Retailer 5$1,803 AUD
Retailer 23$1,860 AUD
Retailer 8$3,051 AUD
Brilliant Earth$3,450 AUD

40 data points across 24 retailers

30 retailers$318 AUD to $3,051 AUD

A
Cheapest Retailer
-
$318 AUD
Retailer 2
-
$318 AUD
View
Price last confirmed 28 days ago
Retailer 3
-
$338 AUD
View
Price last confirmed 36 days ago
A
Retailer 4
-
$369 AUD
View
Final sale: no returns
Retailer 5
-
$392 AUD
View
Price last confirmed 39 days ago
Retailer 6
-
$393 AUD
View
Price last confirmed 33 days ago
Retailer 7
-
$413 AUD
View
Price last confirmed 37 days ago
A
Retailer 8
-
$602 AUD
View
B+
Retailer 9
-
$616 AUD
View
A
Retailer 10
-
$633 AUD
View
A
Retailer 11
-
$724 AUD
View
A
Retailer 12
-
$750 AUD
View
A
Retailer 13
-
$754 AUD
View
A
Retailer 14
-
$817 AUD
View
A
Retailer 15
-
$957 AUD
View
B+
Retailer 16
-
$1,016 AUD
View
B+
Retailer 17
-
$1,270 AUD
View
B+
Retailer 18
-
$1,397 AUD
View
Retailer 19
-
$1,397 AUD
View
Price last confirmed 26 days ago
B+
Retailer 20
-
$1,437 AUD
View
Retailer 21
-
$1,487 AUD
View
Price last confirmed 36 days ago
B+
Retailer 22
-
$1,518 AUD
View
B+
Retailer 23
-
$1,601 AUD
View
B
Retailer 24
-
$1,639 AUD
View
B+
Retailer 25
-
$1,735 AUD
View
B
Retailer 26
-
$1,765 AUD
View
B
Retailer 27
-
$1,803 AUD
View
Retailer 28
-
$1,860 AUD
View
Price last confirmed 8 days ago
B
Retailer 29
-
$3,051 AUD
View
Most Expensive
Brilliant Earth
21476541Y · Oct 27
$3,450 AUD
$2,420 USD
View
Price last confirmed 8 days ago
29 more retailers have this diamond
Prices start from $318 AUDSave up to $2,733 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
$318 AUD