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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 $502 NZD
As of November 4, 2026
Save $1,735 NZD (78%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $2,296 NZD 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

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: $1,048 NZD|Low: $502 NZD|High: $2,308 NZD|Avg: $1,328 NZD|-2.2%
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 5, 2026
Retailer 14$502 NZD
Retailer 12$520 NZD
Retailer 4$754 NZD
Retailer 7$843 NZD
Retailer 2$887 NZD
Retailer 3$967 NZD
Retailer 1$1,048 NZD
Retailer 5$1,146 NZD
Retailer 13$1,366 NZD
Retailer 6$1,549 NZD
Retailer 10$1,708 NZD
Retailer 11$1,794 NZD
Retailer 9$1,877 NZD
Retailer 8$1,950 NZD
Retailer 15$2,237 NZD

21 data points across 15 retailers

16 retailers$502 NZD to $2,237 NZD

A
Cheapest Retailer
-
$502 NZD
Final sale: no returns
A
Retailer 2
-
$520 NZD
View
A
Retailer 3
-
$754 NZD
View
A
Retailer 4
-
$843 NZD
View
A
Retailer 5
-
$887 NZD
View
A
Retailer 6
-
$967 NZD
View
A
Retailer 7
-
$1,048 NZD
View
A
Retailer 8
-
$1,146 NZD
View
A
Retailer 9
-
$1,366 NZD
View
B+
Retailer 10
-
$1,549 NZD
View
B+
Retailer 11
-
$1,708 NZD
View
B+
Retailer 12
-
$1,794 NZD
View
B+
Retailer 13
-
$1,877 NZD
View
B+
Retailer 14
-
$1,950 NZD
View
B+
Retailer 15
-
$2,237 NZD
View
Most Expensive
Novita Diamonds
cert_813655847 · Oct 1
$2,296 NZD
A$1,991 AUD
View
Price last confirmed 35 days ago
15 more retailers have this diamond
Prices start from $502 NZDSave up to $1,735 NZD

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
$502 NZD