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Marquise|Lab Grown

0.51ct G VS1 Marquise Lab Grown Diamond

EX • G/VS1 • FA6-225-4469

Diamond specifications and retailer prices

From £272 GBP
As of November 4, 2026
Save £65 GBP (19%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £1,083 GBP at NZ Jewellers · As of November 4, 2026
View at NZ Jewellers

About this 0.51ct lab-grown marquise diamond

This 0.51ct lab-grown marquise sits in the half to three-quarter carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade. Listed at 4 retailers as of November 3, 2026, with a relatively tight 24% spread, which is unusual at this carat range and suggests competitive pricing across the listings. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.51
Carat
G
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginLab Grown
Grading Lab
CertificateFA6-225-4469
Dimensions8.80 × 4.20 × 2.54 mm
L/W Ratio2.10
Top View
8.80 mm4.20 mm0.51 ctG / VS1
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateFA6-225-4469
Side View
Table 60.8%CrownGirdlePavilionCuletDepth 60.4%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: £1,083 GBP|Low: £261 GBP|High: £1,083 GBP|Avg: £472 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
October 8, 2026
Retailer 2£272 GBP
Retailer 4£315 GBP
Retailer 3£337 GBP
NZ Jewellers£1,083 GBP

6 data points across 4 retailers

4 retailers£272 GBP to £337 GBP

B
Cheapest Retailer
-
£272 GBP
B
Retailer 2
-
£315 GBP
View
B
Retailer 3
-
£337 GBP
View
Most Expensive
NZ Jewellers
f0781801-1331-4224-9dc9-a95e0b36c3d0 · Nov 4
£1,083 GBP
$1,462 USD
View
Price under review
3 more retailers have this diamond
Prices start from £272 GBPSave up to £65 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
0.51ct Marquise
£272 GBP