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Radiant|Lab Grown|IGI

1.51ct I VVS2 Radiant Lab Grown Diamond

GD • I/VVS2 • IGI LG497172326

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

Certificate IGI LG497172326

Diamond specifications and retailer prices

From $1,454 AUD
$1,020 USD
As of November 4, 2026
3 retailers carry this diamond
Most expensive: $1,454 AUD at Brilliant Earth
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 I colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a standard cut grade and certified by IGI LG497172326 or 497172326. Listed at 3 retailers as of November 4, 2026. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.51
Carat
I
Colour
VVS2
Clarity
Good
Cut

Specifications

CutGood
PolishGood
SymmetryGood
FluorescenceNone
Crown angle46.6°
Pavilion angle36°
OriginLab Grown
Grading LabIGI
CertificateIGI LG497172326
Dimensions7.69 × 5.65 × 3.96 mm
L/W Ratio1.36
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.69 mm5.65 mm1.51 ctI / VVS2
OriginLab Grown
CutGood
PolishGood
SymmetryGood
FluorescenceNone
CertificateIGI LG497172326
Side View
Table 68.5%Crown 46.6°Girdle: MED-STKPavilion 36°Culet: NoneDepth 70.1%

Caratlytics Score

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C
Average
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Price History

Last verified: Nov 4
Current: $1,454 AUD|Low: $224 AUD|High: $2,338 AUD|Avg: $955 AUD|-17.1%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
August 19, 2026
Retailer 10$224 AUD
Retailer 8$429 AUD
Retailer 7$579 AUD
Retailer 9$600 AUD
Retailer 2$646 AUD
Retailer 3$941 AUD
Retailer 6$1,031 AUD
Retailer 12$1,143 AUD
Retailer 5$1,179 AUD
Retailer 11$1,277 AUD
Retailer 4$1,368 AUD
Brilliant Earth$1,454 AUD

68 data points across 12 retailers

3 retailers

Retailer 1
-
$1,179 AUD
Price last confirmed 79 days ago
Retailer 2
-
$1,190 AUD
View
Price last confirmed 87 days ago
Most Expensive
C
Brilliant Earth
14069875A · Nov 4
$1,454 AUD
$1,020 USD
View
2 more retailers have this diamond

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.

C
1.51ct Radiant
$1,454 AUD