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Marquise|Lab Grown|UNKNOWN

1.05ct E SI1 Marquise Lab Grown Diamond

ID • E/SI1 • UNKNOWN 231156074

Certificate UNKNOWN 231156074

Diamond specifications and retailer prices

From $211 CAD
$151 USD
As of October 30, 2026
Save $633 CAD (75%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $844 CAD at NZ Jewellers · As of October 28, 2026
View at NZ Jewellers

About this 1.05ct lab-grown marquise diamond

This 1.05ct lab-grown marquise sits in the classic one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by UNKNOWN 231156074. Listed at 4 retailers as of October 28, 2026, with prices from $211 to $844, a $633 spread on the same certified stone. NZ Jewellers lists it at $844. 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
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabUNKNOWN
CertificateUNKNOWN 231156074
Dimensions10.92 × 5.28 × 3.24 mm
L/W Ratio2.07
Top View
10.92 mm5.28 mm1.05 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateUNKNOWN 231156074
Side View
Table 62.0%CrownGirdlePavilionCuletDepth 61.4%

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: $844 CAD|Low: $203 CAD|High: $844 CAD|Avg: $372 CAD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 16, 2026
Retailer 4$211 CAD
Retailer 3$246 CAD
Retailer 2$263 CAD
Retailer 5$356 CAD
NZ Jewellers$844 CAD

9 data points across 5 retailers

4 retailers$211 CAD to $844 CAD

A
Cheapest Retailer
-
$211 CAD
$151 USD
B+
Retailer 2
-
$246 CAD
$176 USD
View
B+
Retailer 3
-
$263 CAD
$188 USD
View
Most Expensive
B
NZ Jewellers
9e6fdc38-c15b-49dd-acbc-ccadeabe5531 · Oct 28
$844 CAD
$604 USD
View
3 more retailers have this diamond
Prices start from $211 CADSave up to $633 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
1.05ct Marquise
$211 CAD