CaratHunter
Plans
Radiant|Lab Grown|IGI

1.36ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG816615709

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

Certificate IGI LG816615709

Diamond specifications and retailer prices

From $347 USD
As of October 30, 2026
Save $3,693 USD (91%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $4,040 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 LG816615709 or 816615709. Listed at 18 retailers as of October 29, 2026, with prices from $347 to $4,040, a $3,693 spread on the same certified stone. Brilliant Earth lists it at $4,040. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.3°
Pavilion angle36.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816615709
Dimensions7.79 × 5.42 × 3.76 mm
L/W Ratio1.44
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
7.79 mm5.42 mm1.36 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816615709
Side View
Table 63.0%Crown 45.3°Girdle: Slightly ThickPavilion 36.6°Culet: NoneDepth 69.4%

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: Oct 30
Current: $4,040 USD|Low: $326 USD|High: $4,170 USD|Avg: $1,334 USD|-3.1%
Brilliant Earth
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
October 30, 2026
Retailer 10$347 USD
Retailer 7$499 USD
Retailer 15$520 USD
Retailer 12$593 USD
Retailer 9$621 USD
Retailer 2$638 USD
Retailer 4$671 USD
Retailer 14$959 USD
Retailer 11$1,111 USD
Retailer 13$1,211 USD
Retailer 6$1,331 USD
Retailer 8$1,457 USD
Retailer 5$1,506 USD
Retailer 3$3,060 USD
Brilliant Earth$4,040 USD

30 data points across 15 retailers

18 retailers$347 USD to $4,040 USD

A
Cheapest Retailer
-
$347 USD
Final sale: no returns
Retailer 2
-
$386 USD
View
Price last confirmed 28 days ago
Retailer 3
-
$450 USD
View
Price last confirmed 32 days ago
Retailer 4
-
$499 USD
View
Price last confirmed 27 days ago
A
Retailer 5
-
$520 USD
View
A
Retailer 6
-
$593 USD
View
A
Retailer 7
-
$621 USD
ZAR 10,034 ZAR
View
A
Retailer 8
-
$638 USD
£503 GBP
View
A
Retailer 9
-
$671 USD
€639 EUR
View
B+
Retailer 10
-
$959 USD
View
B+
Retailer 11
-
$1,111 USD
View
B+
Retailer 12
-
$1,211 USD
View
B+
Retailer 13
-
$1,331 USD
SGD 1,799 SGD
View
B
Retailer 14
-
$1,457 USD
£1,147 GBP
View
B
Retailer 15
-
$1,506 USD
View
Retailer 16
-
$1,603 USD
View
Price last confirmed 29 days ago
Retailer 17
-
$3,060 USD
View
Price last confirmed 9 days ago
Most Expensive
B
Brilliant Earth
21421498A · Oct 29
$4,040 USD
View
17 more retailers have this diamond
Prices start from $347 USDSave up to $3,693 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
$347 USD