Marquise|Lab Grown

0.80ct E SI1 Marquise Lab Grown Diamond

ID • E/SI1 • EC482E7741

Diamond specifications and retailer prices

From £92 GBP
$122 USD
As of October 30, 2026
Save £274 GBP (75%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £366 GBP at NZ Jewellers · As of October 28, 2026
View at NZ Jewellers

About this 0.8ct lab-grown marquise diamond

This 0.8ct 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. Listed at 4 retailers as of October 28, 2026, with prices from £92 to £366, a £274 spread on the same certified stone. NZ Jewellers lists it at £366. 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

0.80
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading Lab
CertificateEC482E7741
Dimensions4.84 × 9.22 × 3.01 mm
L/W Ratio1.90
Top View
4.84 mm9.22 mm0.80 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateEC482E7741
Side View
Table 62.0%CrownGirdlePavilionCuletDepth 62.1%

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: Oct 30
Current: £366 GBP|Low: £88 GBP|High: £366 GBP|Avg: £162 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
October 8, 2026
Retailer 2£92 GBP
Retailer 4£107 GBP
Retailer 3£121 GBP
NZ Jewellers£366 GBP

6 data points across 4 retailers

4 retailers£92 GBP to £366 GBP

B+
Cheapest Retailer
-
£92 GBP
$122 USD
B+
Retailer 2
-
£107 GBP
$142 USD
View
B+
Retailer 3
-
£121 GBP
$161 USD
View
Most Expensive
B
NZ Jewellers
957662ce-de94-4401-be19-af6e709f96d2 · Oct 28
£366 GBP
$487 USD
View
3 more retailers have this diamond
Prices start from £92 GBPSave up to £274 GBP

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+
0.80ct Marquise
£92 GBP