Radiant|Lab Grown|IGI

1.55ct E FL Radiant Lab Grown Diamond

ID • E/FL • IGI LG786656406

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

Certificate IGI LG786656406

Diamond specifications and retailer prices

From €402 EUR
$449 USD
As of October 30, 2026
Save €2,283 EUR (85%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: €3,142 EUR at Rare Carat · As of October 18, 2026
View at Rare Carat

About this 1.55ct lab-grown radiant diamond

This 1.55ct 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 LG786656406 or 786656406. Listed at 24 retailers as of October 30, 2026, with a 568% 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

1.55
Carat
E
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.9°
Pavilion angle36°
OriginLab Grown
Grading LabIGI
CertificateIGI LG786656406
Dimensions8.37 × 5.63 × 3.72 mm
L/W Ratio1.49
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
8.37 mm5.63 mm1.55 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG786656406
Side View
Table 68.0%Crown 44.9°Girdle: Slightly ThickPavilion 36°Culet: NoneDepth 66.1%

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: Oct 30
Current: €3,142 EUR|Low: €402 EUR|High: €3,518 EUR|Avg: €1,330 EUR|-0.3%
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
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Retailer 17
Retailer 18
Retailer 19
Retailer 20
November 1, 2026
Retailer 10€402 EUR
Retailer 3€450 EUR
Retailer 14€450 EUR
Retailer 9€499 EUR
Retailer 20€627 EUR
Retailer 5€712 EUR
Retailer 13€781 EUR
Retailer 6€781 EUR
Retailer 2€825 EUR
Retailer 19€857 EUR
Retailer 7€999 EUR
Retailer 15€1,340 EUR
Retailer 8€1,602 EUR
Retailer 4€1,631 EUR
Retailer 12€1,744 EUR
Retailer 11€1,803 EUR
Retailer 18€1,842 EUR
Retailer 17€1,920 EUR
Retailer 16€2,685 EUR
Rare Carat€3,142 EUR

26 data points across 20 retailers

24 retailers€402 EUR to €2,685 EUR

A
Cheapest Retailer
-
€402 EUR
$449 USD
A
Retailer 2
-
€450 EUR
$503 USD
View
Final sale: no returns
A
Retailer 3
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€450 EUR
$503 USD
View
A
Retailer 4
-
€499 EUR
$557 USD
View
Retailer 5
-
€552 EUR
$617 USD
View
Price last confirmed 15 days ago
A
Retailer 6
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€627 EUR
$700 USD
View
A
Retailer 7
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€712 EUR
$796 USD
View
A
Retailer 8
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€781 EUR
View
A
Retailer 9
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€781 EUR
$873 USD
View
A
Retailer 10
-
€825 EUR
£725 GBP
View
A
Retailer 11
-
€857 EUR
ZAR 15,462 ZAR
View
A
Retailer 12
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€999 EUR
$1,116 USD
View
B+
Retailer 13
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€1,205 EUR
$1,346 USD
View
B+
Retailer 14
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€1,340 EUR
$1,497 USD
View
B+
Retailer 15
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€1,602 EUR
$1,790 USD
View
B+
Retailer 16
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€1,631 EUR
$1,823 USD
View
B+
Retailer 17
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€1,736 EUR
$1,940 USD
View
B+
Retailer 18
-
€1,744 EUR
SGD 2,633 SGD
View
B
Retailer 19
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€1,803 EUR
$2,014 USD
View
Retailer 20
-
€1,828 EUR
£1,608 GBP
View
Price last confirmed 22 days ago
B+
Retailer 21
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€1,842 EUR
£1,620 GBP
View
B+
Retailer 22
-
€1,920 EUR
$2,145 USD
View
B
Retailer 23
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€2,685 EUR
$3,000 USD
View
Most Expensive
Rare Carat
PD-174858 · Oct 18
€3,142 EUR
$3,510 USD
View
Price last confirmed 13 days ago
23 more retailers have this diamond
Prices start from €402 EURSave up to €2,283 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
1.55ct Radiant
€402 EUR