CaratHunter
Plans
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 $216 AUD
As of November 4, 2026
Save $647 AUD (75%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $863 AUD at NZ Jewellers · As of November 4, 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 November 4, 2026, with prices from $216 to $863, a $647 spread on the same certified stone. NZ Jewellers lists it at $863. 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
Colour
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: Nov 4
Current: $863 AUD|Low: $207 AUD|High: $863 AUD|Avg: $381 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 16, 2026
Retailer 4$216 AUD
Retailer 3$251 AUD
Retailer 2$269 AUD
Retailer 5$364 AUD
NZ Jewellers$863 AUD

9 data points across 5 retailers

4 retailers$216 AUD to $863 AUD

A
Cheapest Retailer
-
$216 AUD
B+
Retailer 2
-
$251 AUD
View
B+
Retailer 3
-
$269 AUD
View
Most Expensive
B
NZ Jewellers
9e6fdc38-c15b-49dd-acbc-ccadeabe5531 · Nov 4
$863 AUD
$604 USD
View
3 more retailers have this diamond
Prices start from $216 AUDSave up to $647 AUD

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
$216 AUD