Radiant|Lab Grown|IGI

1.55ct D IF Radiant Lab Grown Diamond

ID • D/IF • IGI LG655451354

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

Certificate IGI LG655451354

Diamond specifications and retailer prices

From €634 EUR
As of November 4, 2026
Save €3,405 EUR (84%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: €5,627 EUR at Do Amore Diamonds · As of November 3, 2026
View at Do Amore Diamonds

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 D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG655451354 or 655451354. Listed at 26 retailers as of November 4, 2026, with a 537% 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
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.4°
Pavilion angle34.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG655451354
Dimensions8.04 × 5.70 × 3.85 mm
L/W Ratio1.41
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.04 mm5.70 mm1.55 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG655451354
Side View
Table 67.0%Crown 44.4°Girdle: Slightly ThickPavilion 34.7°Culet: NoneDepth 67.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 4
Current: €5,627 EUR|Low: €609 EUR|High: €5,627 EUR|Avg: €1,932 EUR
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
Retailer 16
November 5, 2026
Retailer 6€634 EUR
Retailer 7€735 EUR
Retailer 16€735 EUR
Retailer 14€892 EUR
Retailer 10€915 EUR
Retailer 8€1,038 EUR
Retailer 9€1,233 EUR
Retailer 11€1,491 EUR
Retailer 15€1,764 EUR
Retailer 3€1,811 EUR
Retailer 13€2,020 EUR
Retailer 4€2,495 EUR
Retailer 5€2,506 EUR
Retailer 2€3,034 EUR
Retailer 12€4,038 EUR
Do Amore Diamonds€5,627 EUR

38 data points across 16 retailers

26 retailers€634 EUR to €4,038 EUR

Retailer 1
-
€634 EUR
Price last confirmed 28 days ago
A
Retailer 2
-
€634 EUR
View
Retailer 3
-
€690 EUR
View
Price last confirmed 39 days ago
Retailer 4
-
€735 EUR
View
Price last confirmed 33 days ago
Retailer 5
-
€735 EUR
View
Price last confirmed 19 days ago
A
Retailer 6
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€760 EUR
View
Final sale: no returns
A
Retailer 7
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€812 EUR
View
A
Retailer 8
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€870 EUR
View
A
Retailer 9
-
€892 EUR
View
A
Retailer 10
-
€915 EUR
View
B+
Retailer 11
-
€1,038 EUR
View
B+
Retailer 12
-
€1,233 EUR
View
B+
Retailer 13
-
€1,491 EUR
View
B+
Retailer 14
-
€1,764 EUR
View
B
Retailer 15
-
€1,811 EUR
View
B
Retailer 16
-
€2,020 EUR
View
Retailer 17
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€2,282 EUR
View
Price last confirmed 36 days ago
B
Retailer 18
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€2,282 EUR
View
B
Retailer 19
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€2,495 EUR
View
B
Retailer 20
-
€2,506 EUR
View
B
Retailer 21
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€2,515 EUR
View
B
Retailer 22
-
€2,763 EUR
View
B
Retailer 23
-
€2,901 EUR
View
B
Retailer 24
-
€3,034 EUR
View
B
Retailer 25
-
€4,038 EUR
View
Most Expensive
Do Amore Diamonds
27-D60FBC30F · Nov 3
€5,627 EUR
$6,340 USD
View
Price under review
25 more retailers have this diamond
Prices start from €634 EURSave up to €3,405 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
€634 EUR