Radiant|Lab Grown|IGI

1.36ct D FL Radiant Lab Grown Diamond

EX • D/FL • IGI LG800677719

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

Certificate IGI LG800677719

Diamond specifications and retailer prices

From $446 USD
As of October 30, 2026
Save $3,574 USD (89%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $4,020 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.36ct lab-grown radiant diamond

This 1.36ct 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 LG800677719 or 800677719. Listed at 15 retailers as of October 29, 2026, with prices from $446 to $4,020, a $3,574 spread on the same certified stone. Brilliant Earth lists it at $4,020. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.36
Carat
D
Color
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle36.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800677719
Dimensions8.00 × 5.56 × 3.76 mm
L/W Ratio1.44
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
8.00 mm5.56 mm1.36 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800677719
Side View
Table 62.0%Crown 34°Girdle: Slightly ThickPavilion 36.5°Culet: NoneDepth 67.6%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: $4,020 USD|Low: $318 USD|High: $4,140 USD|Avg: $1,497 USD|-2.9%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 30, 2026
Retailer 4$446 USD
Retailer 2$450 USD
Retailer 6$550 USD
Retailer 7$556 USD
Retailer 10$642 USD
Retailer 12$735 USD
Retailer 3$773 USD
Retailer 9$1,157 USD
Retailer 5$1,712 USD
Retailer 8$2,830 USD
Retailer 11$3,045 USD
Brilliant Earth$4,020 USD

31 data points across 12 retailers

15 retailers$446 USD to $4,020 USD

Retailer 1
-
$335 USD
Price last confirmed 19 days ago
Retailer 2
-
$389 USD
View
Price last confirmed 16 days ago
A
Retailer 3
-
$446 USD
View
Final sale: no returns
A
Retailer 4
-
$450 USD
£354 GBP
View
A
Retailer 5
-
$550 USD
View
A
Retailer 6
-
$556 USD
View
A
Retailer 7
-
$642 USD
View
A
Retailer 8
-
$735 USD
€700 EUR
View
A
Retailer 9
-
$773 USD
View
B+
Retailer 10
-
$1,157 USD
View
Retailer 11
-
$1,474 USD
View
Price last confirmed 20 days ago
B+
Retailer 12
-
$1,712 USD
£1,348 GBP
View
B
Retailer 13
-
$2,830 USD
View
Retailer 14
-
$3,045 USD
View
Price last confirmed 9 days ago
Most Expensive
B
Brilliant Earth
20497884Y · Oct 29
$4,020 USD
View
14 more retailers have this diamond
Prices start from $446 USDSave up to $3,574 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
1.36ct Radiant
$446 USD