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Marquise|Lab Grown|UNKNOWN

0.81ct E SI1 Marquise Lab Grown Diamond

ID • E/SI1 • UNKNOWN 228118598

Certificate UNKNOWN 228118598

Diamond specifications and retailer prices

From $141 CAD
$101 USD
As of October 27, 2026
Save $372 CAD (72%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $514 CAD at NZ Jewellers · As of October 28, 2026
View at NZ Jewellers

About this 0.81ct lab-grown marquise diamond

This 0.81ct lab-grown marquise sits in the just-under-one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by UNKNOWN 228118598. Listed at 4 retailers as of October 27, 2026, with prices from $141 to $514, a $372 spread on the same certified stone. NZ Jewellers lists it at $514. 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

0.81
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginLab Grown
Grading LabUNKNOWN
CertificateUNKNOWN 228118598
Dimensions10.24 × 4.96 × 2.93 mm
L/W Ratio2.06
Top View
10.24 mm4.96 mm0.81 ctE / SI1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateUNKNOWN 228118598
Side View
Table 64.5%CrownGirdlePavilionCuletDepth 59.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 27
Current: $514 CAD|Low: $136 CAD|High: $563 CAD|Avg: $264 CAD|-8.7%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
October 28, 2026
Retailer 4$141 CAD
Retailer 2$150 CAD
Retailer 3$224 CAD
NZ Jewellers$514 CAD

6 data points across 4 retailers

4 retailers$141 CAD to $514 CAD

A
Cheapest Retailer
-
$141 CAD
$101 USD
A
Retailer 2
-
$150 CAD
$107 USD
View
B
Retailer 3
-
$224 CAD
$160 USD
View
Most Expensive
B
NZ Jewellers
919de44c-e6c2-43fd-85d5-e3fd7df19b12 · Oct 28
$514 CAD
$367 USD
View
3 more retailers have this diamond
Prices start from $141 CADSave up to $372 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
0.81ct Marquise
$141 CAD