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Radiant|Lab Grown|IGI

1.87ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG780666186

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

Certificate IGI LG780666186

Diamond specifications and retailer prices

From €568 EUR
$635 USD
As of October 30, 2026
Save €4,480 EUR (89%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €5,048 EUR at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

About this 1.87ct lab-grown radiant diamond

This 1.87ct lab-grown radiant sits in the one-and-a-half to two carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG780666186 or 780666186. Listed at 15 retailers as of October 30, 2026, with prices from €568 to €5,048, a €4,480 spread on the same certified stone. Do Amore Diamonds lists it at €5,048. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.87
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.3°
Pavilion angle32.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780666186
Dimensions8.98 × 6.19 × 3.86 mm
L/W Ratio1.45
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.98 mm6.19 mm1.87 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780666186
Side View
Table 65.0%Crown 41.3°Girdle: Slightly ThickPavilion 32.1°Culet: NoneDepth 62.4%

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 30
Current: €5,048 EUR|Low: €568 EUR|High: €5,908 EUR|Avg: €2,153 EUR|-14.5%
Do Amore Diamonds
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
October 31, 2026
Retailer 10€568 EUR
Retailer 3€619 EUR
Retailer 7€755 EUR
Retailer 12€811 EUR
Retailer 5€841 EUR
Retailer 11€1,078 EUR
Retailer 6€1,137 EUR
Retailer 2€1,221 EUR
Retailer 13€1,685 EUR
Retailer 15€1,959 EUR
Retailer 14€2,047 EUR
Retailer 9€2,874 EUR
Retailer 8€3,867 EUR
Retailer 4€4,041 EUR
Do Amore Diamonds€5,048 EUR

34 data points across 15 retailers

15 retailers€568 EUR to €5,048 EUR

A
Cheapest Retailer
-
€568 EUR
$635 USD
A
Retailer 2
-
€619 EUR
$691 USD
View
A
Retailer 3
-
€755 EUR
$844 USD
View
Final sale: no returns
A
Retailer 4
-
€811 EUR
$906 USD
View
A
Retailer 5
-
€841 EUR
$940 USD
View
A
Retailer 6
-
€1,078 EUR
$1,204 USD
View
A
Retailer 7
-
€1,137 EUR
$1,270 USD
View
B+
Retailer 8
-
€1,221 EUR
View
B+
Retailer 9
-
€1,685 EUR
$1,882 USD
View
B+
Retailer 10
-
€1,959 EUR
$2,188 USD
View
B+
Retailer 11
-
€2,047 EUR
$2,287 USD
View
B+
Retailer 12
-
€2,874 EUR
£2,528 GBP
View
B
Retailer 13
-
€3,867 EUR
$4,320 USD
View
Retailer 14
-
€4,041 EUR
$4,515 USD
View
Price last confirmed 10 days ago
Most Expensive
B
Do Amore Diamonds
27-7596FBE64 · Oct 30
€5,048 EUR
$5,640 USD
View
14 more retailers have this diamond
Prices start from €568 EURSave up to €4,480 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
1.87ct Radiant
€568 EUR