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Radiant|Lab Grown|IGI

1.51ct F VS2 Radiant Lab Grown Diamond

VG • F/VS2 • IGI LG771602456

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

Certificate IGI LG771602456

Diamond specifications and retailer prices

From $277 AUD
As of November 4, 2026
Save $1,894 AUD (87%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $2,171 AUD at Brilliant Earth · As of November 5, 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 F colour (colourless) and VS2 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG771602456 or 771602456. Listed at 18 retailers as of November 4, 2026, with prices from $277 to $2,171, a $1,894 spread on the same certified stone. Brilliant Earth lists it at $2,171. 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
F
Colour
VS2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.8°
Pavilion angle34.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG771602456
Dimensions7.78 × 5.59 × 3.81 mm
L/W Ratio1.39
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.78 mm5.59 mm1.51 ctF / VS2
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG771602456
Side View
Table 66.0%Crown 46.8°Girdle: THK-VTKPavilion 34.6°Culet: NoneDepth 68.1%

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: $2,171 AUD|Low: $270 AUD|High: $2,486 AUD|Avg: $901 AUD|-12.6%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
November 5, 2026
Retailer 3$277 AUD
Retailer 18$310 AUD
Retailer 14$323 AUD
Retailer 6$344 AUD
Retailer 10$347 AUD
Retailer 8$603 AUD
Retailer 2$621 AUD
Retailer 9$684 AUD
Retailer 17$819 AUD
Retailer 13$897 AUD
Retailer 15$1,107 AUD
Retailer 4$1,121 AUD
Retailer 5$1,183 AUD
Retailer 7$1,184 AUD
Retailer 12$1,207 AUD
Retailer 16$1,433 AUD
Retailer 11$1,604 AUD
Brilliant Earth$2,171 AUD

33 data points across 18 retailers

18 retailers$277 AUD to $2,171 AUD

A
Cheapest Retailer
-
$277 AUD
A
Retailer 2
-
$310 AUD
View
Final sale: no returns
A
Retailer 3
-
$323 AUD
View
A
Retailer 4
-
$344 AUD
View
Retailer 5
-
$347 AUD
View
Price last confirmed 11 days ago
B+
Retailer 6
-
$603 AUD
View
A
Retailer 7
-
$621 AUD
View
A
Retailer 8
-
$684 AUD
View
A
Retailer 9
-
$819 AUD
View
B+
Retailer 10
-
$897 AUD
View
B+
Retailer 11
-
$1,107 AUD
View
B+
Retailer 12
-
$1,121 AUD
View
B+
Retailer 13
-
$1,183 AUD
View
Retailer 14
-
$1,184 AUD
View
Price last confirmed 7 days ago
B+
Retailer 15
-
$1,207 AUD
View
B
Retailer 16
-
$1,433 AUD
View
B
Retailer 17
-
$1,604 AUD
View
Most Expensive
B
Brilliant Earth
21496719A · Nov 5
$2,171 AUD
$1,520 USD
View
17 more retailers have this diamond
Prices start from $277 AUDSave up to $1,894 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
$277 AUD