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Radiant|Lab Grown|IGI

1.89ct E FL Radiant Lab Grown Diamond

ID • E/FL • IGI LG788624817

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

Certificate IGI LG788624817

Diamond specifications and retailer prices

From €827 EUR
$924 USD
As of November 1, 2026
Save €2,968 EUR (78%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €4,086 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 E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG788624817 or 788624817. Listed at 11 retailers as of October 31, 2026, with a 359% 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
E
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.5°
Pavilion angle37.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG788624817
Dimensions8.53 × 6.29 × 4.28 mm
L/W Ratio1.36
Culet sizePointed
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
8.53 mm6.29 mm1.89 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG788624817
Side View
Table 66.0%Crown 40.5°Girdle: MediumPavilion 37.5°Culet: NoneDepth 68.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: €4,086 EUR|Low: €827 EUR|High: €7,152 EUR|Avg: €3,039 EUR|+10.2%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 1, 2026
Retailer 7€827 EUR
Retailer 5€828 EUR
Retailer 9€1,311 EUR
Retailer 10€1,831 EUR
Retailer 11€2,248 EUR
Retailer 2€2,443 EUR
Retailer 3€2,558 EUR
Retailer 12€2,772 EUR
Retailer 6€3,106 EUR
Retailer 8€3,795 EUR
Rare Carat€4,086 EUR
Retailer 4€7,152 EUR

27 data points across 12 retailers

11 retailers€827 EUR to €3,795 EUR

Retailer 1
-
€550 EUR
$615 USD
Price last confirmed 24 days ago
Retailer 2
-
€621 EUR
$694 USD
View
Price last confirmed 35 days ago
A
Retailer 3
-
€827 EUR
$924 USD
View
A
Retailer 4
-
€828 EUR
$925 USD
View
B+
Retailer 5
-
€1,311 EUR
$1,465 USD
View
B+
Retailer 6
-
€1,831 EUR
$2,045 USD
View
Retailer 7
-
€1,981 EUR
$2,213 USD
View
Price last confirmed 24 days ago
B+
Retailer 8
-
€2,443 EUR
£2,149 GBP
View
B
Retailer 9
-
€3,106 EUR
$3,470 USD
View
B
Retailer 10
-
€3,795 EUR
$4,240 USD
View
Most Expensive
Rare Carat
PE-183875 · Oct 21
€4,086 EUR
$4,565 USD
View
Price last confirmed 11 days ago
10 more retailers have this diamond
Prices start from €827 EURSave up to €2,968 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
€827 EUR