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 €639 EUR
$714 USD
As of October 30, 2026
Save €3,434 EUR (84%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: €5,675 EUR at Do Amore Diamonds · As of November 1, 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 October 30, 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
Color
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: Oct 30
Current: €5,675 EUR|Low: €614 EUR|High: €5,675 EUR|Avg: €1,894 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 1, 2026
Retailer 6€639 EUR
Retailer 7€741 EUR
Retailer 16€741 EUR
Retailer 12€900 EUR
Retailer 2€925 EUR
Retailer 8€1,047 EUR
Retailer 9€1,245 EUR
Retailer 14€1,505 EUR
Retailer 13€1,779 EUR
Retailer 3€1,827 EUR
Retailer 11€2,038 EUR
Retailer 4€2,516 EUR
Retailer 5€2,528 EUR
Retailer 15€3,073 EUR
Retailer 10€4,073 EUR
Do Amore Diamonds€5,675 EUR

38 data points across 16 retailers

26 retailers€639 EUR to €4,073 EUR

Retailer 1
-
€639 EUR
$714 USD
Price last confirmed 24 days ago
A
Retailer 2
-
€639 EUR
$714 USD
View
Retailer 3
-
€695 EUR
$777 USD
View
Price last confirmed 35 days ago
Retailer 4
-
€741 EUR
$828 USD
View
Price last confirmed 29 days ago
Retailer 5
-
€741 EUR
$828 USD
View
Price last confirmed 15 days ago
A
Retailer 6
-
€766 EUR
$856 USD
View
Final sale: no returns
A
Retailer 7
-
€819 EUR
$915 USD
View
A
Retailer 8
-
€877 EUR
$980 USD
View
A
Retailer 9
-
€900 EUR
$1,005 USD
View
A
Retailer 10
-
€925 EUR
£814 GBP
View
B+
Retailer 11
-
€1,047 EUR
$1,170 USD
View
B+
Retailer 12
-
€1,245 EUR
£1,095 GBP
View
B+
Retailer 13
-
€1,505 EUR
ZAR 27,156 ZAR
View
B+
Retailer 14
-
€1,779 EUR
A$3,058 AUD
View
B
Retailer 15
-
€1,827 EUR
$2,041 USD
View
B
Retailer 16
-
€2,038 EUR
A$3,503 AUD
View
Retailer 17
-
€2,301 EUR
$2,571 USD
View
Price last confirmed 32 days ago
B
Retailer 18
-
€2,301 EUR
$2,571 USD
View
B
Retailer 19
-
€2,516 EUR
$2,811 USD
View
B
Retailer 20
-
€2,528 EUR
$2,824 USD
View
B
Retailer 21
-
€2,537 EUR
£2,232 GBP
View
B
Retailer 22
-
€2,787 EUR
£2,452 GBP
View
B
Retailer 23
-
€2,925 EUR
$3,268 USD
View
B
Retailer 24
-
€3,073 EUR
£2,703 GBP
View
B
Retailer 25
-
€4,073 EUR
$4,550 USD
View
Most Expensive
Do Amore Diamonds
27-D60FBC30F · Nov 1
€5,675 EUR
$6,340 USD
View
Price under review
25 more retailers have this diamond
Prices start from €639 EURSave up to €3,434 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
€639 EUR