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 $286 USD
As of October 29, 2026
Save $992 USD (78%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,294 USD 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 October 29, 2026, with a 347% 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
Color
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+
Exceptional
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: Oct 29
Current: $475 USD|Low: $286 USD|High: $1,326 USD|Avg: $766 USD|-2.1%
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
October 29, 2026
Retailer 7$286 USD
Retailer 9$428 USD
Retailer 1$475 USD
Retailer 4$506 USD
Retailer 3$540 USD
Retailer 11$604 USD
Retailer 2$649 USD
Retailer 10$774 USD
Retailer 6$874 USD
Retailer 5$981 USD
Retailer 14$1,023 USD
Retailer 13$1,074 USD
Retailer 12$1,118 USD
Retailer 8$1,278 USD

24 data points across 14 retailers

16 retailers$286 USD to $1,278 USD

A+
Cheapest Retailer
-
$286 USD
Final sale: no returns
A
Retailer 2
-
$428 USD
View
A
Retailer 3
-
$475 USD
View
A
Retailer 4
-
$506 USD
€482 EUR
View
A
Retailer 5
-
$540 USD
ZAR 8,728 ZAR
View
A
Retailer 6
-
$604 USD
£475 GBP
View
A
Retailer 7
-
$649 USD
View
A
Retailer 8
-
$774 USD
A$1,191 AUD
View
B+
Retailer 9
-
$874 USD
View
B+
Retailer 10
-
$981 USD
View
B+
Retailer 11
-
$1,023 USD
SGD 1,383 SGD
View
B+
Retailer 12
-
$1,074 USD
View
B+
Retailer 13
-
$1,118 USD
View
B+
Retailer 14
-
$1,219 USD
£960 GBP
View
Price last confirmed 37 days ago
B+
Retailer 15
-
$1,278 USD
£1,006 GBP
View
Most Expensive
B
Novita Diamonds
cert_813655847 · Oct 1
$1,294 USD
A$1,991 AUD
View
Price last confirmed 28 days ago
15 more retailers have this diamond
Prices start from $286 USDSave up to $992 USD

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
$286 USD