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 $151 USD
As of October 30, 2026
Save $453 USD (75%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $604 USD at NZ Jewellers · As of October 31, 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 30, 2026, with prices from $151 to $604, a $453 spread on the same certified stone. NZ Jewellers lists it at $604. 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
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Price History

Last verified: Oct 30
Current: $604 USD|Low: $145 USD|High: $604 USD|Avg: $266 USD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 16, 2026
Retailer 4$151 USD
Retailer 3$176 USD
Retailer 2$188 USD
Retailer 5$255 USD
NZ Jewellers$604 USD

9 data points across 5 retailers

4 retailers$151 USD to $604 USD

A
Cheapest Retailer
-
$151 USD
B+
Retailer 2
-
$176 USD
View
B+
Retailer 3
-
$188 USD
View
Most Expensive
B
NZ Jewellers
9e6fdc38-c15b-49dd-acbc-ccadeabe5531 · Oct 31
$604 USD
View
3 more retailers have this diamond
Prices start from $151 USDSave up to $453 USD

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
$151 USD