Radiant|Lab Grown|IGI

1.30ct D FL Radiant Lab Grown Diamond

EX • D/FL • IGI LG780665761

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

Certificate IGI LG780665761

Diamond specifications and retailer prices

From $244 USD
As of November 2, 2026
Save $2,096 USD (90%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $2,955 USD at Rare Carat · As of October 21, 2026
View at Rare Carat

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 FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG780665761 or 780665761. Listed at 18 retailers as of November 2, 2026, with a 859% 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
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.9°
Pavilion angle35.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780665761
Dimensions7.75 × 5.53 × 3.69 mm
L/W Ratio1.40
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.75 mm5.53 mm1.30 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780665761
Side View
Table 64.0%Crown 39.9°Girdle: MediumPavilion 35.8°Culet: NoneDepth 66.7%

Caratlytics Score

How it works →
A+
Exceptional
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 2
Current: $2,955 USD|Low: $244 USD|High: $3,960 USD|Avg: $1,269 USD|+14.1%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 31, 2026
Retailer 7$244 USD
Retailer 5$378 USD
Retailer 8$454 USD
Retailer 11$508 USD
Retailer 3$520 USD
Retailer 2$573 USD
Retailer 4$698 USD
Retailer 10$975 USD
Retailer 13$983 USD
Retailer 12$1,339 USD
Retailer 6$2,340 USD
Retailer 9$2,340 USD
Rare Carat$2,955 USD

30 data points across 13 retailers

18 retailers$244 USD to $2,340 USD

A+
Cheapest Retailer
-
$244 USD
Retailer 2
-
$335 USD
View
Price last confirmed 33 days ago
A
Retailer 3
-
$378 USD
View
Final sale: no returns
Retailer 4
-
$388 USD
View
Price last confirmed 35 days ago
A
Retailer 5
-
$454 USD
View
A
Retailer 6
-
$508 USD
View
Retailer 7
-
$520 USD
View
Price last confirmed 10 days ago
A
Retailer 8
-
$573 USD
€546 EUR
View
A
Retailer 9
-
$698 USD
View
B+
Retailer 10
-
$975 USD
View
B+
Retailer 11
-
$983 USD
View
Retailer 12
-
$1,339 USD
£1,054 GBP
View
Price last confirmed 8 days ago
Retailer 13
-
$1,472 USD
View
Price last confirmed 32 days ago
B
Retailer 14
-
$2,340 USD
View
B
Retailer 15
-
$2,340 USD
View
Retailer 16
-
$2,836 USD
View
Price last confirmed 84 days ago
Retailer 17
-
$2,910 USD
View
Price last confirmed 12 days ago
Most Expensive
Rare Carat
A10-158B_l_799677051 · Oct 21
$2,955 USD
View
Price last confirmed 12 days ago
17 more retailers have this diamond
Prices start from $244 USDSave up to $2,096 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
$244 USD