CaratHunter
Plans
Round|Lab Grown|IGI

1.55ct D SI1 Round Lab Grown Diamond

ID • D/SI1 • IGI LG772678680

Shape and cutting style on the report: Round brilliant

Certificate IGI LG772678680

Diamond specifications and retailer prices

From $275 CAD
As of November 1, 2026
Save $2,364 CAD (90%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $2,640 CAD at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 1.55ct lab-grown round diamond

This 1.55ct lab-grown round sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG772678680 or 772678680. Listed at 15 retailers as of November 1, 2026, with prices from $275 to $2,640, a $2,364 spread on the same certified stone. Do Amore Diamonds lists it at $2,640. 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

1.55
Carat
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG772678680
Dimensions7.42 × 7.46 × 0.00 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.42 mm7.46 mm1.55 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG772678680
Side View
Table 58.0%Crown 34.5°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 60.9%

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: $2,640 CAD|Low: $264 CAD|High: $2,640 CAD|Avg: $1,013 CAD
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
November 2, 2026
Retailer 12$275 CAD
Retailer 3$320 CAD
Retailer 14$461 CAD
Retailer 7$510 CAD
Retailer 9$609 CAD
Retailer 5$651 CAD
Retailer 10$788 CAD
Retailer 8$992 CAD
Retailer 11$1,040 CAD
Retailer 15$1,121 CAD
Retailer 4$1,211 CAD
Retailer 2$1,508 CAD
Retailer 6$1,510 CAD
Retailer 13$1,592 CAD
Do Amore Diamonds$2,640 CAD

25 data points across 15 retailers

15 retailers$275 CAD to $2,640 CAD

A
Cheapest Retailer
-
$275 CAD
A
Retailer 2
-
$320 CAD
View
B+
Retailer 3
-
$461 CAD
View
A
Retailer 4
-
$510 CAD
View
A
Retailer 5
-
$609 CAD
View
A
Retailer 6
-
$651 CAD
View
B+
Retailer 7
-
$788 CAD
View
B+
Retailer 8
-
$992 CAD
View
B+
Retailer 9
-
$1,040 CAD
View
B+
Retailer 10
-
$1,121 CAD
View
B
Retailer 11
-
$1,211 CAD
View
B
Retailer 12
-
$1,508 CAD
View
B
Retailer 13
-
$1,510 CAD
View
B
Retailer 14
-
$1,592 CAD
View
Most Expensive
B
Do Amore Diamonds
27-F2486157E · Nov 2
$2,640 CAD
$1,890 USD
View
14 more retailers have this diamond
Prices start from $275 CADSave up to $2,364 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
1.55ct Round
$275 CAD