Marquise|Lab Grown|IGI

0.55ct D SI1 Marquise Lab Grown Diamond

ID • D/SI1 • IGI LG752506256

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG752506256

Diamond specifications and retailer prices

From $129 CAD
$92 USD
As of October 30, 2026
Save $1,060 CAD (89%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,188 CAD at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

About this 0.55ct lab-grown marquise diamond

This 0.55ct lab-grown marquise sits in the half to three-quarter carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG752506256 or 752506256. Listed at 16 retailers as of October 30, 2026, with prices from $129 to $1,188, a $1,060 spread on the same certified stone. Reve Diamonds lists it at $1,188. 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

0.55
Carat
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryGood
FluorescenceNone
Crown angle36.1°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG752506256
Dimensions8.16 × 4.17 × 2.74 mm
L/W Ratio1.96
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.16 mm4.17 mm0.55 ctD / SI1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateIGI LG752506256
Side View
Table 61.0%Crown 36.1°Girdle: MED-THKPavilion 40.9°Culet: NoneDepth 65.7%

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: $298 CAD|Low: $116 CAD|High: $1,566 CAD|Avg: $471 CAD|-11.2%
Retailer 1
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
Reve Diamonds
October 31, 2026
Retailer 14$129 CAD
Retailer 2$142 CAD
Retailer 4$149 CAD
Retailer 10$170 CAD
Retailer 12$170 CAD
Retailer 7$286 CAD
Retailer 1$298 CAD
Retailer 3$334 CAD
Retailer 5$352 CAD
Retailer 9$387 CAD
Retailer 11$515 CAD
Retailer 6$573 CAD
Retailer 13$574 CAD
Retailer 15$591 CAD
Retailer 8$1,183 CAD
Reve Diamonds$1,188 CAD

28 data points across 16 retailers

16 retailers$129 CAD to $1,188 CAD

A
Cheapest Retailer
-
$129 CAD
$92 USD
A
Retailer 2
-
$142 CAD
$102 USD
View
Final sale: no returns
A
Retailer 3
-
$149 CAD
$107 USD
View
A
Retailer 4
-
$170 CAD
$122 USD
View
A
Retailer 5
-
$170 CAD
$122 USD
View
Retailer 6
-
$286 CAD
$205 USD
View
Price last confirmed 24 days ago
A
Retailer 7
-
$298 CAD
£168 GBP
View
A
Retailer 8
-
$334 CAD
$239 USD
View
B+
Retailer 9
-
$387 CAD
£218 GBP
View
Retailer 10
-
$400 CAD
$286 USD
View
Price last confirmed 17 days ago
B+
Retailer 11
-
$515 CAD
$369 USD
View
Retailer 12
-
$573 CAD
$410 USD
View
Price last confirmed 17 days ago
B
Retailer 13
-
$574 CAD
$411 USD
View
B
Retailer 14
-
$591 CAD
$423 USD
View
B
Retailer 15
-
$1,183 CAD
£667 GBP
View
Most Expensive
B
Reve Diamonds
33A3C1331 · Oct 30
$1,188 CAD
$851 USD
View
15 more retailers have this diamond
Prices start from $129 CADSave up to $1,060 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
0.55ct Marquise
$129 CAD