Round|Lab Grown|IGI

1.29ct F VS1 Round Lab Grown Diamond

ID • F/VS1 • IGI LG845668073

Shape and cutting style on the report: Round brilliant

Certificate IGI LG845668073

Diamond specifications and retailer prices

From £132 GBP
As of October 29, 2026
Save £433 GBP (77%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £769 GBP at MOH London · As of October 29, 2026
View at MOH London

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 F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG845668073 or 845668073. Listed at 20 retailers as of October 29, 2026, with a 329% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.29
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG845668073
Dimensions6.99 × 7.03 × 4.28 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.99 mm7.03 mm1.29 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG845668073
Side View
Table 59.0%Crown 34°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 61.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 29
Current: £769 GBP|Low: £132 GBP|High: £769 GBP|Avg: £367 GBP
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
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Retailer 7
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Retailer 20
October 29, 2026
Retailer 2£132 GBP
Retailer 18£153 GBP
Retailer 5£164 GBP
Retailer 17£164 GBP
Retailer 11£190 GBP
Retailer 9£221 GBP
Retailer 13£276 GBP
Retailer 19£276 GBP
Retailer 16£279 GBP
Retailer 14£283 GBP
Retailer 4£322 GBP
Retailer 3£350 GBP
Retailer 7£374 GBP
Retailer 15£399 GBP
Retailer 6£526 GBP
Retailer 8£542 GBP
Retailer 10£554 GBP
Retailer 20£555 GBP
Retailer 12£565 GBP
MOH London£769 GBP

11 data points across 20 retailers

20 retailers£132 GBP to £565 GBP

A
Cheapest Retailer
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£132 GBP
Retailer 2
-
£153 GBP
View
Price last confirmed 12 days ago
Retailer 3
-
£164 GBP
View
Price last confirmed 13 days ago
Retailer 4
-
£164 GBP
View
Price last confirmed 11 days ago
A
Retailer 5
-
£190 GBP
View
Retailer 6
-
£221 GBP
View
Price last confirmed 11 days ago
A
Retailer 7
-
£276 GBP
View
Retailer 8
-
£276 GBP
View
Price last confirmed 13 days ago
Retailer 9
-
£279 GBP
View
Price last confirmed 10 days ago
Retailer 10
-
£283 GBP
View
Price last confirmed 7 days ago
A
Retailer 11
-
£322 GBP
View
Retailer 12
-
£350 GBP
View
Price last confirmed 7 days ago
Retailer 13
-
£374 GBP
View
Price last confirmed 15 days ago
Retailer 14
-
£399 GBP
View
Price last confirmed 10 days ago
Retailer 15
-
£526 GBP
View
Price last confirmed 12 days ago
Retailer 16
-
£542 GBP
View
Price last confirmed 7 days ago
B
Retailer 17
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£554 GBP
View
B
Retailer 18
-
£555 GBP
View
B
Retailer 19
-
£565 GBP
View
Most Expensive
MOH London
LG845668073 · Oct 29
£769 GBP
View
Price last confirmed 7 days ago
19 more retailers have this diamond
Prices start from £132 GBPSave up to £433 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
1.29ct Round
£132 GBP