Marquise|Lab Grown

1.01ct D SI1 Marquise Lab Grown Diamond

ID • D/SI1 • 6204921B29

Diamond specifications and retailer prices

From £112 GBP
$150 USD
As of October 30, 2026
Save £334 GBP (75%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £446 GBP at NZ Jewellers · As of October 31, 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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade. Listed at 4 retailers as of October 30, 2026, with prices from £112 to £446, a £334 spread on the same certified stone. NZ Jewellers lists it at £446. 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

1.01
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading Lab
Certificate6204921B29
Dimensions5.29 × 9.76 × 3.39 mm
L/W Ratio1.84
Top View
5.29 mm9.76 mm1.01 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Certificate6204921B29
Side View
Table 58.0%CrownGirdlePavilionCulet: NoneDepth 64.1%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £446 GBP|Low: £107 GBP|High: £446 GBP|Avg: £195 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
October 8, 2026
Retailer 2£112 GBP
Retailer 4£130 GBP
Retailer 3£139 GBP
NZ Jewellers£446 GBP

6 data points across 4 retailers

4 retailers£112 GBP to £446 GBP

A
Cheapest Retailer
-
£112 GBP
$150 USD
B+
Retailer 2
-
£130 GBP
$174 USD
View
B+
Retailer 3
-
£139 GBP
$186 USD
View
Most Expensive
C
NZ Jewellers
7f3115a0-c3e3-4607-95b5-e705727320d1 · Oct 31
£446 GBP
$598 USD
View
3 more retailers have this diamond
Prices start from £112 GBPSave up to £334 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.

A
1.01ct Marquise
£112 GBP