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Round|Lab Grown|IGI

1.29ct F VS1 Round Lab Grown Diamond

ID • F/VS1 • IGI LG839648890

Shape and cutting style on the report: Round brilliant

Certificate IGI LG839648890

Diamond specifications and retailer prices

From £136 GBP
As of November 3, 2026
Save £1,175 GBP (90%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £1,311 GBP at Do Amore Diamonds · As of November 4, 2026
View at Do Amore Diamonds

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 LG839648890 or 839648890. Listed at 15 retailers as of November 3, 2026, with prices from £136 to £1,311, a £1,175 spread on the same certified stone. Do Amore Diamonds lists it at £1,311. 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 angle35.2°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839648890
Dimensions6.99 × 6.96 × 4.31 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.99 mm6.96 mm1.29 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839648890
Side View
Table 57.0%Crown 35.2°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 61.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 3
Current: £1,311 GBP|Low: £136 GBP|High: £1,363 GBP|Avg: £474 GBP
Do Amore Diamonds
Retailer 2
Retailer 3
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Retailer 11
Retailer 12
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Retailer 17
November 5, 2026
Retailer 3£136 GBP
Retailer 16£153 GBP
Retailer 13£159 GBP
Retailer 17£199 GBP
Retailer 4£228 GBP
Retailer 6£318 GBP
Retailer 10£321 GBP
Retailer 11£352 GBP
Retailer 14£455 GBP
Retailer 15£488 GBP
Retailer 7£504 GBP
Retailer 9£533 GBP
Retailer 5£534 GBP
Retailer 8£554 GBP
Retailer 12£600 GBP
Retailer 2£871 GBP
Do Amore Diamonds£1,311 GBP

17 data points across 17 retailers

15 retailers£136 GBP to £1,311 GBP

A
Cheapest Retailer
-
£136 GBP
A
Retailer 2
-
£153 GBP
View
Final sale: no returns
A
Retailer 3
-
£159 GBP
View
A
Retailer 4
-
£199 GBP
View
B+
Retailer 5
-
£228 GBP
View
A
Retailer 6
-
£318 GBP
View
A
Retailer 7
-
£321 GBP
View
A
Retailer 8
-
£352 GBP
View
B+
Retailer 9
-
£455 GBP
View
B+
Retailer 10
-
£488 GBP
View
B+
Retailer 11
-
£504 GBP
View
B+
Retailer 12
-
£534 GBP
View
B
Retailer 13
-
£600 GBP
View
B
Retailer 14
-
£871 GBP
View
Most Expensive
B
Do Amore Diamonds
27-CF55C658F · Nov 4
£1,311 GBP
$1,770 USD
View
14 more retailers have this diamond
Prices start from £136 GBPSave up to £1,175 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
£136 GBP