CaratHunter
Plans
Radiant|Lab Grown|IGI

1.51ct D VS1 Radiant Lab Grown Diamond

VG • D/VS1 • IGI LG639472394

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

Certificate IGI LG639472394

Diamond specifications and retailer prices

From $351 AUD
As of November 4, 2026
Save $2,557 AUD (88%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $2,908 AUD at Brilliant Earth · As of November 2, 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 VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG639472394 or 639472394. Listed at 23 retailers as of November 2, 2026, with prices from $351 to $2,908, a $2,557 spread on the same certified stone. Brilliant Earth lists it at $2,908. 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
D
Colour
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle30.3°
Pavilion angle36.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG639472394
Dimensions7.94 × 5.68 × 3.87 mm
L/W Ratio1.40
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.94 mm5.68 mm1.51 ctD / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG639472394
Side View
Table 63.0%Crown 30.3°Girdle: MediumPavilion 36.2°Culet: NoneDepth 68.1%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $2,908 AUD|Low: $339 AUD|High: $2,908 AUD|Avg: $1,038 AUD
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
Retailer 19
Retailer 20
Retailer 21
Retailer 22
November 5, 2026
Retailer 19$351 AUD
Retailer 20$391 AUD
Retailer 6$406 AUD
Retailer 11$421 AUD
Retailer 2$435 AUD
Retailer 18$482 AUD
Retailer 9$643 AUD
Retailer 8$726 AUD
Retailer 4$728 AUD
Retailer 14$748 AUD
Retailer 16$817 AUD
Retailer 12$885 AUD
Retailer 7$982 AUD
Retailer 21$1,396 AUD
Retailer 3$1,400 AUD
Retailer 22$1,468 AUD
Retailer 10$1,532 AUD
Retailer 15$1,659 AUD
Retailer 13$1,708 AUD
Retailer 17$1,733 AUD
Retailer 5$1,909 AUD
Brilliant Earth$2,908 AUD

29 data points across 22 retailers

23 retailers$351 AUD to $2,908 AUD

A
Cheapest Retailer
-
$351 AUD
A
Retailer 2
-
$391 AUD
View
Final sale: no returns
A
Retailer 3
-
$406 AUD
View
Retailer 4
-
$421 AUD
View
Price last confirmed 11 days ago
A
Retailer 5
-
$435 AUD
View
A
Retailer 6
-
$482 AUD
View
A
Retailer 7
-
$643 AUD
View
B+
Retailer 8
-
$726 AUD
View
B+
Retailer 9
-
$728 AUD
View
A
Retailer 10
-
$748 AUD
View
B+
Retailer 11
-
$817 AUD
View
B+
Retailer 12
-
$885 AUD
View
B+
Retailer 13
-
$982 AUD
View
B
Retailer 14
-
$1,381 AUD
View
B
Retailer 15
-
$1,396 AUD
View
B
Retailer 16
-
$1,400 AUD
View
B
Retailer 17
-
$1,468 AUD
View
Retailer 18
-
$1,532 AUD
View
Price last confirmed 18 days ago
B
Retailer 19
-
$1,659 AUD
View
B
Retailer 20
-
$1,708 AUD
View
B
Retailer 21
-
$1,733 AUD
View
B
Retailer 22
-
$1,909 AUD
View
Most Expensive
B
Brilliant Earth
10979309A · Nov 2
$2,908 AUD
$2,040 USD
View
22 more retailers have this diamond
Prices start from $351 AUDSave up to $2,557 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
$351 AUD