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Radiant|Lab Grown|IGI

1.89ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG836620963

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

Certificate IGI LG836620963

Diamond specifications and retailer prices

From €587 EUR
$656 USD
As of October 30, 2026
Save €3,369 EUR (85%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: €4,113 EUR at Rare Carat · As of October 21, 2026
View at Rare Carat

About this 1.89ct lab-grown radiant diamond

This 1.89ct 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 LG836620963 or 836620963. Listed at 21 retailers as of October 30, 2026, with a 574% 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

1.89
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.1°
Pavilion angle35.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836620963
Dimensions8.37 × 6.21 × 4.22 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
8.37 mm6.21 mm1.89 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836620963
Side View
Table 62.0%Crown 46.1°Girdle: MediumPavilion 35.9°Culet: NoneDepth 68.0%

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: €4,113 EUR|Low: €587 EUR|High: €5,585 EUR|Avg: €1,890 EUR|-1.0%
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
November 1, 2026
Retailer 11€587 EUR
Retailer 19€638 EUR
Retailer 10€681 EUR
Retailer 7€685 EUR
Retailer 15€841 EUR
Retailer 2€1,088 EUR
Retailer 17€1,109 EUR
Retailer 13€1,164 EUR
Retailer 20€1,240 EUR
Retailer 5€1,463 EUR
Retailer 4€1,583 EUR
Retailer 8€1,914 EUR
Retailer 6€2,114 EUR
Retailer 18€2,240 EUR
Retailer 12€2,349 EUR
Retailer 9€2,473 EUR
Retailer 3€2,616 EUR
Retailer 16€2,871 EUR
Retailer 14€3,956 EUR
Rare Carat€4,113 EUR

34 data points across 20 retailers

21 retailers€587 EUR to €3,956 EUR

A
Cheapest Retailer
-
€587 EUR
$656 USD
A
Retailer 2
-
€638 EUR
$713 USD
View
A
Retailer 3
-
€681 EUR
$761 USD
View
A
Retailer 4
-
€685 EUR
$765 USD
View
Final sale: no returns
Retailer 5
-
€727 EUR
$812 USD
View
Price last confirmed 15 days ago
A
Retailer 6
-
€841 EUR
$940 USD
View
A
Retailer 7
-
€1,088 EUR
£957 GBP
View
A
Retailer 8
-
€1,109 EUR
$1,239 USD
View
A
Retailer 9
-
€1,164 EUR
View
Retailer 10
-
€1,240 EUR
ZAR 22,372 ZAR
View
Price last confirmed 8 days ago
B+
Retailer 11
-
€1,463 EUR
$1,635 USD
View
B+
Retailer 12
-
€1,583 EUR
$1,769 USD
View
B+
Retailer 13
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€1,914 EUR
$2,138 USD
View
B+
Retailer 14
-
€2,114 EUR
£1,860 GBP
View
B+
Retailer 15
-
€2,240 EUR
$2,502 USD
View
B+
Retailer 16
-
€2,349 EUR
$2,624 USD
View
B+
Retailer 17
-
€2,473 EUR
SGD 3,733 SGD
View
B
Retailer 18
-
€2,616 EUR
$2,923 USD
View
B
Retailer 19
-
€2,871 EUR
£2,526 GBP
View
B
Retailer 20
-
€3,956 EUR
$4,420 USD
View
Most Expensive
Rare Carat
PD-245485 · Oct 21
€4,113 EUR
$4,595 USD
View
Price last confirmed 11 days ago
20 more retailers have this diamond
Prices start from €587 EURSave up to €3,369 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
1.89ct Radiant
€587 EUR