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Marquise|Lab Grown|IGI

1.05ct H SI1 Marquise Lab Grown Diamond

ID • H/SI1 • IGI LG843623987

Shape and cutting style on the report: Marquise rose cut

Certificate IGI LG843623987

Diamond specifications and retailer prices

From $4,876 CAD
As of November 6, 2026
Save $2,193 CAD (31%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $9,637 CAD at Yorxs · As of October 25, 2026
View at Yorxs

About this 1.05ct lab-grown marquise diamond

This 1.05ct lab-grown marquise sits in the classic one-carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG843623987 or 843623987. Listed at 11 retailers as of November 6, 2026, with a 45% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

1.05
Carat
H
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle35.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843623987
Dimensions8.94 × 5.79 × 2.98 mm
L/W Ratio1.54
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.94 mm5.79 mm1.05 ctH / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843623987
Side View
Table 62.0%Crown 35.1°Girdle: MED-STKPavilion 35.2°Culet: NoneDepth 51.5%

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $8,199 CAD|Low: $4,876 CAD|High: $16,780 CAD|Avg: $8,050 CAD|-2.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Yorxs
November 6, 2026
Retailer 6$4,876 CAD
Retailer 2$5,306 CAD
Retailer 5$5,454 CAD
Retailer 9$5,461 CAD
Retailer 8$5,656 CAD
Retailer 10$7,068 CAD
Retailer 1$8,199 CAD
Retailer 4$8,773 CAD
Yorxs$9,637 CAD
Retailer 3$12,082 CAD
Retailer 7$16,462 CAD

14 data points across 11 retailers

11 retailers$4,876 CAD to $7,068 CAD

B
Cheapest Retailer
-
$4,876 CAD
B
Retailer 2
-
$5,306 CAD
View
B
Retailer 3
-
$5,454 CAD
View
B
Retailer 4
-
$5,461 CAD
View
Final sale: no returns
B
Retailer 5
-
$5,656 CAD
View
B
Retailer 6
-
$7,068 CAD
View
Retailer 7
-
$8,199 CAD
View
Price under review
Retailer 8
-
$8,773 CAD
View
Price under review
Most Expensive
Yorxs
EABCA05B2 · Oct 25
$9,637 CAD
€6,572 EUR
View
Price under review
8 more retailers have this diamond
Prices start from $4,876 CADSave up to $2,193 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.

B
1.05ct Marquise
$4,876 CAD