Round|Lab Grown|IGI

15.34ct G VS1 Round Lab Grown Diamond

ID • G/VS1

Diamond specifications and retailer prices

From £5,319 GBP

$7,127 USD

As of October 29, 2026

Save £2,340 GBP (31%) vs most expensive(unlock to see where)

7 retailers carry this diamond

Most expensive: £7,660 GBP at NZ Jewellers · As of October 31, 2026

View at NZ Jewellers

About this 15.34ct lab-grown round diamond

This 15.34ct lab-grown round sits in the over five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI. Listed at 7 retailers as of October 29, 2026, with prices from £5,319 to £7,660, a £2,340 spread on the same certified stone. NZ Jewellers lists it at £7,660. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

15.34

Carat

Colour

VS1

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

OriginLab Grown

Grading LabIGI

Dimensions15.98 × 16.07 × 9.80 mm

L/W Ratio1.01

Top View

OriginLab Grown

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI

Side View

Caratlytics Score

How it works →

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 29

Current: £7,660 GBP|Low: £4,881 GBP|High: £7,660 GBP|Avg: £6,131 GBP|+4.6%

NZ Jewellers

Retailer 2

Retailer 3

Retailer 4

Retailer 5

Retailer 6

Retailer 7

November 1, 2026

Retailer 4£5,319 GBP

Retailer 2£5,470 GBP

Retailer 3£5,532 GBP

Retailer 6£5,898 GBP

Retailer 5£6,171 GBP

Retailer 7£7,330 GBP

NZ Jewellers£7,660 GBP

25 data points across 7 retailers

7 retailers£5,319 GBP to £7,660 GBP

Cheapest Retailer

£5,319 GBP

$7,127 USD

B+

Retailer 2

£5,470 GBP

View

B+

Retailer 3

£5,532 GBP

$7,412 USD

View

Retailer 4

£5,898 GBP

$7,903 USD

View

Price last confirmed 19 days ago

B+

Retailer 5

£6,171 GBP

$8,268 USD

View

Retailer 6

£7,330 GBP

CA$13,640 CAD

View

Most Expensive

NZ Jewellers

40577245-c062-4845-8cc5-78857f08769a · Oct 31

£7,660 GBP

$10,263 USD

View

6 more retailers have this diamond

Prices start from £5,319 GBPSave up to £2,340 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.

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15.34ct Round

£5,319 GBP