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Radiant|Lab Grown|IGI

1.40ct E FL Radiant Lab Grown Diamond

ID • E/FL • IGI LG816616274

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

Certificate IGI LG816616274

Diamond specifications and retailer prices

From €313 EUR
$350 USD
As of October 30, 2026
Save €2,086 EUR (87%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €2,596 EUR at Rare Carat · As of October 18, 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 E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG816616274 or 816616274. Listed at 18 retailers as of October 30, 2026, with a 666% 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
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.8°
Pavilion angle36°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816616274
Dimensions7.62 × 5.62 × 3.83 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
7.62 mm5.62 mm1.40 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816616274
Side View
Table 62.0%Crown 44.8°Girdle: Slightly ThickPavilion 36°Culet: NoneDepth 68.1%

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: €2,596 EUR|Low: €313 EUR|High: €2,820 EUR|Avg: €1,103 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
October 30, 2026
Retailer 3€313 EUR
Retailer 14€465 EUR
Retailer 11€536 EUR
Retailer 9€562 EUR
Retailer 7€579 EUR
Retailer 4€605 EUR
Retailer 13€926 EUR
Retailer 10€1,005 EUR
Retailer 12€1,095 EUR
Retailer 6€1,202 EUR
Retailer 8€1,319 EUR
Retailer 5€1,360 EUR
Retailer 2€2,399 EUR
Rare Carat€2,596 EUR

28 data points across 14 retailers

18 retailers€313 EUR to €2,399 EUR

A
Cheapest Retailer
-
€313 EUR
$350 USD
Final sale: no returns
Retailer 2
-
€347 EUR
$388 USD
View
Price last confirmed 28 days ago
Retailer 3
-
€405 EUR
$453 USD
View
Price last confirmed 33 days ago
Retailer 4
-
€448 EUR
$501 USD
View
Price last confirmed 27 days ago
A
Retailer 5
-
€465 EUR
$520 USD
View
A
Retailer 6
-
€536 EUR
$599 USD
View
A
Retailer 7
-
€562 EUR
ZAR 10,150 ZAR
View
A
Retailer 8
-
€579 EUR
£509 GBP
View
A
Retailer 9
-
€605 EUR
View
B+
Retailer 10
-
€926 EUR
$1,034 USD
View
B+
Retailer 11
-
€1,005 EUR
$1,123 USD
View
B+
Retailer 12
-
€1,095 EUR
$1,224 USD
View
B+
Retailer 13
-
€1,202 EUR
SGD 1,815 SGD
View
B
Retailer 14
-
€1,319 EUR
£1,160 GBP
View
B
Retailer 15
-
€1,360 EUR
$1,519 USD
View
Retailer 16
-
€1,442 EUR
$1,611 USD
View
Price last confirmed 29 days ago
B
Retailer 17
-
€2,399 EUR
$2,680 USD
View
Most Expensive
Rare Carat
PD-232045 · Oct 18
€2,596 EUR
$2,900 USD
View
Price last confirmed 11 days ago
17 more retailers have this diamond
Prices start from €313 EURSave up to €2,086 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
€313 EUR