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 €135 EUR
$151 USD
As of October 30, 2026
Save €405 EUR (75%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: €541 EUR 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 €135 to €541, a €405 spread on the same certified stone. NZ Jewellers lists it at €541. 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: €541 EUR|Low: €130 EUR|High: €541 EUR|Avg: €238 EUR
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 16, 2026
Retailer 4€135 EUR
Retailer 3€158 EUR
Retailer 2€168 EUR
Retailer 5€228 EUR
NZ Jewellers€541 EUR

9 data points across 5 retailers

4 retailers€135 EUR to €541 EUR

A
Cheapest Retailer
-
€135 EUR
$151 USD
B+
Retailer 2
-
€158 EUR
$176 USD
View
B+
Retailer 3
-
€168 EUR
$188 USD
View
Most Expensive
B
NZ Jewellers
9e6fdc38-c15b-49dd-acbc-ccadeabe5531 · Oct 31
€541 EUR
$604 USD
View
3 more retailers have this diamond
Prices start from €135 EURSave up to €405 EUR

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
€135 EUR