Radiant|Lab Grown|IGI

5.55ct H SI1 Radiant Lab Grown Diamond

ID • H/SI1 • IGI LG615380127

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

Certificate IGI LG615380127

Diamond specifications and retailer prices

From $725 CAD
$519 USD
As of October 30, 2026
Save $5,715 CAD (89%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $6,440 CAD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 5.55ct lab-grown radiant diamond

This 5.55ct lab-grown radiant sits in the over five carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG615380127 or 615380127. Listed at 11 retailers as of October 30, 2026, with prices from $725 to $6,440, a $5,715 spread on the same certified stone. Do Amore Diamonds lists it at $6,440. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

5.55
Carat
H
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.7°
Pavilion angle36°
OriginLab Grown
Grading LabIGI
CertificateIGI LG615380127
Dimensions12.47 × 8.69 × 5.94 mm
L/W Ratio1.43
Culet sizeNone
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
12.47 mm8.69 mm5.55 ctH / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG615380127
Side View
Table 64.0%Crown 41.7°Girdle: MED-STKPavilion 36°Culet: NoneDepth 68.4%

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: $6,440 CAD|Low: $725 CAD|High: $9,164 CAD|Avg: $3,156 CAD|-11.5%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 9$725 CAD
Retailer 7$812 CAD
Retailer 4$1,057 CAD
Retailer 11$1,393 CAD
Retailer 6$1,397 CAD
Retailer 8$2,319 CAD
Retailer 3$2,557 CAD
Retailer 10$2,608 CAD
Retailer 5$4,329 CAD
Retailer 2$4,722 CAD
Do Amore Diamonds$6,440 CAD

27 data points across 11 retailers

11 retailers$725 CAD to $6,440 CAD

A
Cheapest Retailer
-
$725 CAD
$519 USD
A
Retailer 2
-
$812 CAD
$581 USD
View
A
Retailer 3
-
$1,057 CAD
£596 GBP
View
B+
Retailer 4
-
$1,393 CAD
$997 USD
View
B+
Retailer 5
-
$1,397 CAD
$1,000 USD
View
B+
Retailer 6
-
$2,319 CAD
$1,660 USD
View
B+
Retailer 7
-
$2,557 CAD
$1,830 USD
View
B+
Retailer 8
-
$2,608 CAD
$1,867 USD
View
B
Retailer 9
-
$4,329 CAD
£2,440 GBP
View
B
Retailer 10
-
$4,722 CAD
$3,380 USD
View
Most Expensive
B
Do Amore Diamonds
27-AE0412987 · Oct 31
$6,440 CAD
$4,610 USD
View
10 more retailers have this diamond
Prices start from $725 CADSave up to $5,715 CAD

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
5.55ct Radiant
$725 CAD