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Radiant|Lab Grown|IGI

1.35ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG816615915

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

Certificate IGI LG816615915

Diamond specifications and retailer prices

From €289 EUR
$323 USD
As of October 31, 2026
Save €2,083 EUR (88%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: €2,717 EUR at Rare Carat · As of October 21, 2026
View at Rare Carat

About this 1.35ct lab-grown radiant diamond

This 1.35ct 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 LG816615915 or 816615915. Listed at 19 retailers as of October 30, 2026, with a 720% 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

1.35
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.7°
Pavilion angle37.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816615915
Dimensions7.63 × 5.32 × 3.86 mm
L/W Ratio1.43
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
7.63 mm5.32 mm1.35 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816615915
Side View
Table 66.0%Crown 45.7°Girdle: Slightly ThickPavilion 37.2°Culet: NoneDepth 72.6%

Caratlytics Score

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A
Excellent
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: Oct 31
Current: €2,717 EUR|Low: €289 EUR|High: €3,706 EUR|Avg: €1,185 EUR|-1.5%
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
Retailer 14
Retailer 15
Retailer 16
October 31, 2026
Retailer 9€289 EUR
Retailer 7€443 EUR
Retailer 11€506 EUR
Retailer 16€529 EUR
Retailer 14€552 EUR
Retailer 10€568 EUR
Retailer 2€599 EUR
Retailer 4€847 EUR
Retailer 15€987 EUR
Retailer 5€1,003 EUR
Retailer 3€1,077 EUR
Retailer 6€1,187 EUR
Retailer 13€1,295 EUR
Retailer 8€1,296 EUR
Retailer 12€2,372 EUR
Rare Carat€2,717 EUR

30 data points across 16 retailers

19 retailers€289 EUR to €2,372 EUR

A
Cheapest Retailer
-
€289 EUR
$323 USD
Final sale: no returns
Retailer 2
-
€343 EUR
$383 USD
View
Price last confirmed 30 days ago
Retailer 3
-
€400 EUR
$447 USD
View
Price last confirmed 35 days ago
Retailer 4
-
€443 EUR
$495 USD
View
Price last confirmed 29 days ago
A
Retailer 5
-
€506 EUR
$565 USD
View
A
Retailer 6
-
€529 EUR
$591 USD
View
A
Retailer 7
-
€552 EUR
ZAR 9,967 ZAR
View
A
Retailer 8
-
€568 EUR
£500 GBP
View
A
Retailer 9
-
€599 EUR
View
B+
Retailer 10
-
€847 EUR
$946 USD
View
B+
Retailer 11
-
€987 EUR
$1,103 USD
View
B+
Retailer 12
-
€1,003 EUR
$1,120 USD
View
B+
Retailer 13
-
€1,077 EUR
$1,203 USD
View
B
Retailer 14
-
€1,187 EUR
SGD 1,792 SGD
View
B
Retailer 15
-
€1,295 EUR
£1,139 GBP
View
Retailer 16
-
€1,296 EUR
£1,140 GBP
View
Price last confirmed 27 days ago
Retailer 17
-
€1,425 EUR
$1,592 USD
View
Price last confirmed 31 days ago
B
Retailer 18
-
€2,372 EUR
$2,650 USD
View
Most Expensive
Rare Carat
PD-230705 · Oct 21
€2,717 EUR
$3,035 USD
View
Price last confirmed 11 days ago
18 more retailers have this diamond
Prices start from €289 EURSave up to €2,083 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
1.35ct Radiant
€289 EUR