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Radiant|Lab Grown|IGI

1.86ct E FL Radiant Lab Grown Diamond

ID • E/FL • IGI LG799647057

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

Certificate IGI LG799647057

Diamond specifications and retailer prices

From €593 EUR
$662 USD
As of November 1, 2026
Save €2,433 EUR (80%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: €4,968 EUR at Brilliant Earth · As of September 28, 2026
View at Brilliant Earth

About this 1.86ct lab-grown radiant diamond

This 1.86ct lab-grown radiant sits in the one-and-a-half to two carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG799647057 or 799647057. Listed at 23 retailers as of October 31, 2026, with a 411% 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

1.86
Carat
E
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.3°
Pavilion angle38.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG799647057
Dimensions8.42 × 6.06 × 4.24 mm
L/W Ratio1.39
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
8.42 mm6.06 mm1.86 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG799647057
Side View
Table 59.0%Crown 46.3°Girdle: MED-STKPavilion 38.8°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: Nov 1
Current: €3,025 EUR|Low: €593 EUR|High: €4,816 EUR|Avg: €1,919 EUR|-37.2%
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
Retailer 17
November 1, 2026
Retailer 7€593 EUR
Retailer 13€756 EUR
Retailer 4€857 EUR
Retailer 11€994 EUR
Retailer 5€1,008 EUR
Retailer 10€1,026 EUR
Retailer 12€1,128 EUR
Retailer 3€1,414 EUR
Retailer 17€1,478 EUR
Retailer 16€1,910 EUR
Retailer 14€1,984 EUR
Retailer 9€2,067 EUR
Retailer 6€2,124 EUR
Retailer 2€2,849 EUR
Retailer 8€2,885 EUR
Brilliant Earth€3,025 EUR
Retailer 15€4,046 EUR

33 data points across 17 retailers

23 retailers€593 EUR to €3,025 EUR

A
Cheapest Retailer
-
€593 EUR
$662 USD
Final sale: no returns
Retailer 2
-
€603 EUR
$674 USD
View
Price last confirmed 30 days ago
Retailer 3
-
€684 EUR
$764 USD
View
Price last confirmed 35 days ago
Retailer 4
-
€700 EUR
$782 USD
View
Price last confirmed 24 days ago
A
Retailer 5
-
€756 EUR
$845 USD
View
A
Retailer 6
-
€857 EUR
$958 USD
View
A
Retailer 7
-
€994 EUR
View
A
Retailer 8
-
€1,008 EUR
$1,126 USD
View
A
Retailer 9
-
€1,026 EUR
£903 GBP
View
A
Retailer 10
-
€1,128 EUR
ZAR 20,358 ZAR
View
B+
Retailer 11
-
€1,414 EUR
$1,580 USD
View
B+
Retailer 12
-
€1,478 EUR
$1,651 USD
View
B+
Retailer 13
-
€1,910 EUR
£1,680 GBP
View
Retailer 14
-
€1,967 EUR
$2,197 USD
View
Price last confirmed 24 days ago
B+
Retailer 15
-
€1,984 EUR
$2,216 USD
View
B+
Retailer 16
-
€2,067 EUR
SGD 3,120 SGD
View
B+
Retailer 17
-
€2,124 EUR
$2,373 USD
View
B+
Retailer 18
-
€2,296 EUR
$2,565 USD
View
B
Retailer 19
-
€2,849 EUR
£2,506 GBP
View
B
Retailer 20
-
€2,885 EUR
$3,223 USD
View
B
Retailer 21
-
€3,025 EUR
$3,380 USD
View
Retailer 22
-
€4,046 EUR
$4,520 USD
View
Price last confirmed 11 days ago
Most Expensive
Brilliant Earth
20575178A · Sep 28
€4,968 EUR
$5,550 USD
View
Price last confirmed 34 days ago
22 more retailers have this diamond
Prices start from €593 EURSave up to €2,433 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
1.86ct Radiant
€593 EUR