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Radiant|Lab Grown|IGI

1.36ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG816615817

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

Certificate IGI LG816615817

Diamond specifications and retailer prices

From €292 EUR
$326 USD
As of October 31, 2026
Save €2,098 EUR (88%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: €3,733 EUR at Brilliant Earth · As of September 28, 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 LG816615817 or 816615817. Listed at 20 retailers as of October 30, 2026, with a 719% 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

1.36
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle47.4°
Pavilion angle35.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816615817
Dimensions7.61 × 5.59 × 3.66 mm
L/W Ratio1.36
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
7.61 mm5.59 mm1.36 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816615817
Side View
Table 63.0%Crown 47.4°Girdle: MED-STKPavilion 35.3°Culet: NoneDepth 65.5%

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 31
Current: €2,390 EUR|Low: €292 EUR|High: €3,733 EUR|Avg: €1,191 EUR|-36.0%
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
Retailer 16
October 31, 2026
Retailer 9€292 EUR
Retailer 8€447 EUR
Retailer 11€506 EUR
Retailer 14€531 EUR
Retailer 12€556 EUR
Retailer 10€573 EUR
Retailer 2€602 EUR
Retailer 16€858 EUR
Retailer 13€994 EUR
Retailer 15€1,084 EUR
Retailer 6€1,192 EUR
Retailer 7€1,296 EUR
Retailer 3€1,298 EUR
Retailer 5€1,348 EUR
Brilliant Earth€2,390 EUR
Retailer 4€2,739 EUR

29 data points across 16 retailers

20 retailers€292 EUR to €2,390 EUR

A+
Cheapest Retailer
-
€292 EUR
$326 USD
Final sale: no returns
Retailer 2
-
€346 EUR
$386 USD
View
Price last confirmed 30 days ago
Retailer 3
-
€403 EUR
$450 USD
View
Price last confirmed 34 days ago
Retailer 4
-
€447 EUR
$499 USD
View
Price last confirmed 29 days ago
A
Retailer 5
-
€506 EUR
$565 USD
View
A
Retailer 6
-
€531 EUR
$593 USD
View
A
Retailer 7
-
€556 EUR
ZAR 10,034 ZAR
View
A
Retailer 8
-
€573 EUR
£504 GBP
View
A
Retailer 9
-
€602 EUR
View
B+
Retailer 10
-
€858 EUR
$959 USD
View
B+
Retailer 11
-
€994 EUR
$1,111 USD
View
B+
Retailer 12
-
€1,084 EUR
$1,211 USD
View
B+
Retailer 13
-
€1,192 EUR
SGD 1,799 SGD
View
Retailer 14
-
€1,296 EUR
£1,140 GBP
View
Price last confirmed 27 days ago
B+
Retailer 15
-
€1,298 EUR
£1,142 GBP
View
B
Retailer 16
-
€1,348 EUR
$1,506 USD
View
Retailer 17
-
€1,435 EUR
$1,603 USD
View
Price last confirmed 31 days ago
B
Retailer 18
-
€2,390 EUR
$2,670 USD
View
Retailer 19
-
€2,739 EUR
$3,060 USD
View
Price last confirmed 11 days ago
Most Expensive
Brilliant Earth
21139509A · Sep 28
€3,733 EUR
$4,170 USD
View
Price last confirmed 33 days ago
19 more retailers have this diamond
Prices start from €292 EURSave up to €2,098 EUR

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
€292 EUR