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Radiant|Lab Grown|IGI

1.87ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG830620119

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

Certificate IGI LG830620119

Diamond specifications and retailer prices

From €674 EUR
$753 USD
As of November 1, 2026
Save €3,390 EUR (83%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €4,064 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

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 LG830620119 or 830620119. Listed at 14 retailers as of October 31, 2026, with prices from €674 to €4,064, a €3,390 spread on the same certified stone. Brilliant Earth lists it at €4,064. 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 angle40.7°
Pavilion angle37.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG830620119
Dimensions8.40 × 6.21 × 4.23 mm
L/W Ratio1.35
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
8.40 mm6.21 mm1.87 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG830620119
Side View
Table 67.0%Crown 40.7°Girdle: ThickPavilion 37.5°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: Nov 1
Current: €4,064 EUR|Low: €674 EUR|High: €4,064 EUR|Avg: €1,611 EUR
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
November 1, 2026
Retailer 14€674 EUR
Retailer 4€678 EUR
Retailer 9€764 EUR
Retailer 3€832 EUR
Retailer 2€1,077 EUR
Retailer 7€1,077 EUR
Retailer 10€1,099 EUR
Retailer 12€1,436 EUR
Retailer 8€1,721 EUR
Retailer 6€2,216 EUR
Retailer 13€2,325 EUR
Retailer 5€2,447 EUR
Retailer 11€2,589 EUR
Brilliant Earth€4,064 EUR

4 data points across 14 retailers

14 retailers€674 EUR to €4,064 EUR

A
Cheapest Retailer
-
€674 EUR
$753 USD
A
Retailer 2
-
€678 EUR
$757 USD
View
Final sale: no returns
A
Retailer 3
-
€764 EUR
£672 GBP
View
A
Retailer 4
-
€832 EUR
$930 USD
View
A
Retailer 5
-
€1,077 EUR
£947 GBP
View
A
Retailer 6
-
€1,077 EUR
View
A
Retailer 7
-
€1,099 EUR
$1,228 USD
View
B+
Retailer 8
-
€1,436 EUR
$1,604 USD
View
B+
Retailer 9
-
€1,721 EUR
$1,923 USD
View
B
Retailer 10
-
€2,216 EUR
$2,476 USD
View
B
Retailer 11
-
€2,325 EUR
$2,597 USD
View
B
Retailer 12
-
€2,447 EUR
SGD 3,694 SGD
View
B
Retailer 13
-
€2,589 EUR
$2,892 USD
View
Most Expensive
B
Brilliant Earth
22348624A · Oct 31
€4,064 EUR
$4,540 USD
View
13 more retailers have this diamond
Prices start from €674 EURSave up to €3,390 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
€674 EUR