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Radiant|Lab Grown|IGI

1.40ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG836614457

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

Certificate IGI LG836614457

Diamond specifications and retailer prices

From €268 EUR
$299 USD
As of October 30, 2026
Save €2,337 EUR (90%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: €2,793 EUR at Rare Carat · As of October 21, 2026
View at Rare Carat

About this 1.4ct lab-grown radiant diamond

This 1.4ct 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 LG836614457 or 836614457. Listed at 22 retailers as of October 30, 2026, with a 873% 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

1.40
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.1°
Pavilion angle35.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836614457
Dimensions7.93 × 5.34 × 3.74 mm
L/W Ratio1.49
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
7.93 mm5.34 mm1.40 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836614457
Side View
Table 63.0%Crown 43.1°Girdle: Slightly ThickPavilion 35.9°Culet: NoneDepth 70.0%

Caratlytics Score

How it works →
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 30
Current: €2,793 EUR|Low: €268 EUR|High: €3,724 EUR|Avg: €1,021 EUR|-0.3%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
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Retailer 11
Retailer 12
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Retailer 22
October 31, 2026
Retailer 10€268 EUR
Retailer 21€311 EUR
Retailer 11€320 EUR
Retailer 9€332 EUR
Retailer 20€332 EUR
Retailer 17€343 EUR
Retailer 5€470 EUR
Retailer 3€542 EUR
Retailer 22€560 EUR
Retailer 19€571 EUR
Retailer 13€589 EUR
Retailer 2€617 EUR
Retailer 6€906 EUR
Retailer 4€1,020 EUR
Retailer 8€1,068 EUR
Retailer 7€1,110 EUR
Retailer 14€1,223 EUR
Retailer 18€1,338 EUR
Retailer 15€1,387 EUR
Retailer 12€2,367 EUR
Retailer 16€2,605 EUR
Rare Carat€2,793 EUR

23 data points across 22 retailers

22 retailers€268 EUR to €2,605 EUR

A
Cheapest Retailer
-
€268 EUR
$299 USD
A
Retailer 2
-
€311 EUR
$347 USD
View
A
Retailer 3
-
€320 EUR
$357 USD
View
Final sale: no returns
A
Retailer 4
-
€332 EUR
$371 USD
View
A
Retailer 5
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€332 EUR
$371 USD
View
A
Retailer 6
-
€343 EUR
£302 GBP
View
A
Retailer 7
-
€470 EUR
$525 USD
View
A
Retailer 8
-
€542 EUR
$606 USD
View
A
Retailer 9
-
€560 EUR
$626 USD
View
A
Retailer 10
-
€571 EUR
ZAR 10,301 ZAR
View
A
Retailer 11
-
€589 EUR
£518 GBP
View
A
Retailer 12
-
€617 EUR
View
B+
Retailer 13
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€906 EUR
$1,012 USD
View
B+
Retailer 14
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€1,020 EUR
$1,140 USD
View
B+
Retailer 15
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€1,068 EUR
$1,193 USD
View
B+
Retailer 16
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€1,110 EUR
$1,241 USD
View
B+
Retailer 17
-
€1,223 EUR
SGD 1,847 SGD
View
B+
Retailer 18
-
€1,338 EUR
£1,177 GBP
View
B
Retailer 19
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€1,387 EUR
$1,550 USD
View
B
Retailer 20
-
€2,367 EUR
$2,644 USD
View
B
Retailer 21
-
€2,605 EUR
$2,910 USD
View
Most Expensive
Rare Carat
JH-253466 · Oct 21
€2,793 EUR
$3,120 USD
View
Price last confirmed 10 days ago
21 more retailers have this diamond
Prices start from €268 EURSave up to €2,337 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
1.40ct Radiant
€268 EUR