Marquise|Lab Grown

1.01ct E SI1 Marquise Lab Grown Diamond

E/SI1 • 3ED4B9EDE4

Diamond specifications and retailer prices

From $147 USD
As of November 4, 2026
Save $438 USD (75%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $585 USD at NZ Jewellers · As of November 4, 2026
View at NZ Jewellers

About this 1.01ct lab-grown marquise diamond

This 1.01ct lab-grown marquise sits in the classic one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included). Listed at 4 retailers as of November 4, 2026, with prices from $147 to $585, a $438 spread on the same certified stone. NZ Jewellers lists it at $585. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.01
Carat
E
Color
SI1
Clarity
-
Cut

Specifications

Cut
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading Lab
Certificate3ED4B9EDE4
Dimensions5.23 × 10.87 × 3.22 mm
L/W Ratio2.08
Top View
5.23 mm10.87 mm1.01 ctE / SI1
OriginLab Grown
PolishExcellent
SymmetryExcellent
FluorescenceNone
Certificate3ED4B9EDE4
Side View
Table 60.0%CrownGirdlePavilionCuletDepth 61.6%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $585 USD|Low: $141 USD|High: $585 USD|Avg: $255 USD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
October 8, 2026
Retailer 2$147 USD
Retailer 4$170 USD
Retailer 3$182 USD
NZ Jewellers$585 USD

6 data points across 4 retailers

4 retailers$147 USD to $585 USD

B+
Cheapest Retailer
-
$147 USD
B+
Retailer 2
-
$170 USD
View
B+
Retailer 3
-
$182 USD
View
Most Expensive
C
NZ Jewellers
645eec4c-f9ba-47b5-b91c-61b244450b32 · Nov 4
$585 USD
View
3 more retailers have this diamond
Prices start from $147 USDSave up to $438 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.

B+
1.01ct Marquise
$147 USD