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Radiant|Lab Grown|IGI

1.51ct D VS1 Radiant Lab Grown Diamond

ID • D/VS1 • IGI LG818620902

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

Certificate IGI LG818620902

Diamond specifications and retailer prices

From $433 AUD
As of November 4, 2026
Save $3,415 AUD (89%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $3,849 AUD at Do Amore Diamonds · As of November 4, 2026
View at Do Amore Diamonds

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 top-tier cut grade and certified by IGI LG818620902 or 818620902. Listed at 25 retailers as of November 4, 2026, with prices from $433 to $3,849, a $3,415 spread on the same certified stone. Do Amore Diamonds lists it at $3,849. 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
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle51.2°
Pavilion angle34.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818620902
Dimensions8.20 × 5.40 × 3.79 mm
L/W Ratio1.52
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.20 mm5.40 mm1.51 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818620902
Side View
Table 67.0%Crown 51.2°Girdle: MED-STKPavilion 34.2°Culet: NoneDepth 70.2%

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: $3,849 AUD|Low: $358 AUD|High: $3,849 AUD|Avg: $1,302 AUD|+21.1%
Do Amore Diamonds
Retailer 2
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November 5, 2026
Retailer 3$433 AUD
Retailer 10$485 AUD
Retailer 8$503 AUD
Retailer 20$537 AUD
Retailer 21$537 AUD
Retailer 5$600 AUD
Retailer 13$659 AUD
Retailer 6$717 AUD
Retailer 7$763 AUD
Retailer 4$1,014 AUD
Retailer 17$1,022 AUD
Retailer 2$1,053 AUD
Retailer 16$1,394 AUD
Retailer 19$1,508 AUD
Retailer 22$1,652 AUD
Retailer 14$1,907 AUD
Retailer 15$1,930 AUD
Retailer 12$2,066 AUD
Retailer 9$2,135 AUD
Retailer 11$2,212 AUD
Retailer 18$2,378 AUD
Do Amore Diamonds$3,849 AUD

23 data points across 22 retailers

25 retailers$433 AUD to $3,849 AUD

A
Cheapest Retailer
-
$433 AUD
A
Retailer 2
-
$485 AUD
View
Final sale: no returns
A
Retailer 3
-
$503 AUD
View
A
Retailer 4
-
$537 AUD
View
Retailer 5
-
$537 AUD
View
Price last confirmed 11 days ago
A
Retailer 6
-
$600 AUD
View
A
Retailer 7
-
$659 AUD
View
A
Retailer 8
-
$717 AUD
View
B+
Retailer 9
-
$763 AUD
View
B+
Retailer 10
-
$1,014 AUD
View
B+
Retailer 11
-
$1,022 AUD
View
B+
Retailer 12
-
$1,053 AUD
View
B
Retailer 13
-
$1,394 AUD
View
Retailer 14
-
$1,508 AUD
View
Price last confirmed 11 days ago
Retailer 15
-
$1,532 AUD
View
Price last confirmed 31 days ago
B
Retailer 16
-
$1,652 AUD
View
B
Retailer 17
-
$1,907 AUD
View
Retailer 18
-
$1,930 AUD
View
Price last confirmed 17 days ago
B
Retailer 19
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$2,066 AUD
View
B
Retailer 20
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$2,113 AUD
View
B
Retailer 21
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$2,135 AUD
View
B
Retailer 22
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$2,212 AUD
View
B
Retailer 23
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$2,259 AUD
View
B
Retailer 24
-
$2,378 AUD
View
Most Expensive
B
Do Amore Diamonds
27-A0C269AFE · Nov 4
$3,849 AUD
$2,700 USD
View
24 more retailers have this diamond
Prices start from $433 AUDSave up to $3,415 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
$433 AUD