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Round|Lab Grown|IGI

1.29ct H VVS1 Round Lab Grown Diamond

EX • H/VVS1 • IGI LG728522247

Shape and cutting style on the report: Round brilliant

Certificate IGI LG728522247

Diamond specifications and retailer prices

From £145 GBP
$194 USD
As of November 1, 2026
1 retailer carries this diamond
Only listing: £145 GBP at William & Sons Jewelers
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at William & Sons Jewelers

About this 1.29ct lab-grown round diamond

This 1.29ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded H colour (near-colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG728522247 or 728522247. Listed at a single retailer as of November 1, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.29
Carat
H
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG728522247
Dimensions6.91 × 6.88 × 4.33 mm
L/W Ratio1.00
Culet sizePointed
Top View
6.91 mm6.88 mm1.29 ctH / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG728522247
Side View
Table 56.0%Crown 35.1°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 62.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: £451 GBP|Low: £145 GBP|High: £853 GBP|Avg: £518 GBP
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
William & Sons Jewelers
September 19, 2026
William & Sons Jewelers£145 GBP
Retailer 7£328 GBP
Retailer 3£432 GBP
Retailer 1£451 GBP
Retailer 5£482 GBP
Retailer 8£503 GBP
Retailer 6£567 GBP
Retailer 4£643 GBP
Retailer 9£761 GBP
Retailer 2£853 GBP

2 data points across 10 retailers

1 retailer

A
William & Sons Jewelers
cert_LG728522247 · Nov 1
£145 GBP
$194 USD
View
Final sale: no returns

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
1.29ct Round
£145 GBP