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Radiant|Lab Grown|IGI

1.30ct D IF Radiant Lab Grown Diamond

ID • D/IF • IGI LG813655847

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

Certificate IGI LG813655847

Diamond specifications and retailer prices

From $404 AUD
As of November 4, 2026
Save $1,397 AUD (78%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,849 AUD at Novita Diamonds · As of October 1, 2026
View at Novita Diamonds

About this 1.3ct lab-grown radiant diamond

This 1.3ct lab-grown radiant sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG813655847 or 813655847. Listed at 16 retailers as of November 2, 2026, with a 346% 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

1.30
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.4°
Pavilion angle37.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG813655847
Dimensions8.23 × 5.15 × 3.51 mm
L/W Ratio1.60
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.23 mm5.15 mm1.30 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG813655847
Side View
Table 68.0%Crown 45.4°Girdle: Slightly ThickPavilion 37.9°Culet: NoneDepth 68.2%

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: $417 AUD|Low: $404 AUD|High: $1,858 AUD|Avg: $1,066 AUD|-1.0%
Retailer 1
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
November 6, 2026
Retailer 15$404 AUD
Retailer 1$417 AUD
Retailer 5$607 AUD
Retailer 7$679 AUD
Retailer 3$714 AUD
Retailer 4$779 AUD
Retailer 9$844 AUD
Retailer 6$923 AUD
Retailer 14$1,100 AUD
Retailer 8$1,246 AUD
Retailer 12$1,376 AUD
Retailer 13$1,444 AUD
Retailer 11$1,511 AUD
Retailer 10$1,570 AUD
Retailer 2$1,801 AUD

21 data points across 15 retailers

16 retailers$404 AUD to $1,801 AUD

A
Cheapest Retailer
-
$404 AUD
Final sale: no returns
A
Retailer 2
-
$417 AUD
View
A
Retailer 3
-
$607 AUD
View
A
Retailer 4
-
$679 AUD
View
A
Retailer 5
-
$714 AUD
View
A
Retailer 6
-
$779 AUD
View
A
Retailer 7
-
$844 AUD
View
A
Retailer 8
-
$923 AUD
View
A
Retailer 9
-
$1,100 AUD
View
B+
Retailer 10
-
$1,246 AUD
View
B+
Retailer 11
-
$1,376 AUD
View
B+
Retailer 12
-
$1,444 AUD
View
B+
Retailer 13
-
$1,511 AUD
View
B+
Retailer 14
-
$1,570 AUD
View
B+
Retailer 15
-
$1,801 AUD
View
Most Expensive
Novita Diamonds
cert_813655847 · Oct 1
$1,849 AUD
View
Price last confirmed 36 days ago
15 more retailers have this diamond
Prices start from $404 AUDSave up to $1,397 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
1.30ct Radiant
$404 AUD