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Round|Lab Grown|IGI

1.29ct F VVS2 Round Lab Grown Diamond

ID • F/VVS2 • IGI LG669421344

Shape and cutting style on the report: Round brilliant

Certificate IGI LG669421344

Diamond specifications and retailer prices

From £139 GBP
$186 USD
As of October 29, 2026
Save £666 GBP (83%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £8,410 GBP at Allurez · As of October 26, 2026
View at Allurez

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 VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG669421344 or 669421344. Listed at 22 retailers as of October 26, 2026, with a 480% 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
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG669421344
Dimensions6.99 × 6.95 × 4.34 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.99 mm6.95 mm1.29 ctF / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG669421344
Side View
Table 57.0%Crown 35.6°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 62.3%

Caratlytics Score

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A
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: £317 GBP|Low: £133 GBP|High: £911 GBP|Avg: £377 GBP|+1.0%
Retailer 1
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Retailer 20
October 31, 2026
Retailer 19£139 GBP
Retailer 20£155 GBP
Retailer 11£160 GBP
Retailer 5£172 GBP
Retailer 6£172 GBP
Retailer 2£191 GBP
Retailer 8£231 GBP
Retailer 15£295 GBP
Retailer 14£298 GBP
Retailer 12£311 GBP
Retailer 1£317 GBP
Retailer 3£341 GBP
Retailer 7£358 GBP
Retailer 17£436 GBP
Retailer 9£553 GBP
Retailer 13£559 GBP
Retailer 10£575 GBP
Retailer 4£593 GBP
Retailer 18£791 GBP
Retailer 16£805 GBP

38 data points across 20 retailers

22 retailers£139 GBP to £805 GBP

A
Cheapest Retailer
-
£139 GBP
$186 USD
A
Retailer 2
-
£155 GBP
$208 USD
View
Final sale: no returns
A
Retailer 3
-
£160 GBP
$215 USD
View
A
Retailer 4
-
£172 GBP
$230 USD
View
A
Retailer 5
-
£172 GBP
$230 USD
View
A
Retailer 6
-
£191 GBP
HK$2,000 HKD
View
B+
Retailer 7
-
£231 GBP
$310 USD
View
A
Retailer 8
-
£295 GBP
ZAR 6,390 ZAR
View
A
Retailer 9
-
£298 GBP
View
A
Retailer 10
-
£311 GBP
View
A
Retailer 11
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£317 GBP
€405 EUR
View
B+
Retailer 12
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£341 GBP
$457 USD
View
B+
Retailer 13
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£358 GBP
$480 USD
View
B+
Retailer 14
-
£436 GBP
$584 USD
View
B+
Retailer 15
-
£504 GBP
View
B+
Retailer 16
-
£553 GBP
$741 USD
View
B
Retailer 17
-
£559 GBP
SGD 1,013 SGD
View
B
Retailer 18
-
£575 GBP
$771 USD
View
B
Retailer 19
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£593 GBP
$795 USD
View
Retailer 20
-
£791 GBP
$1,060 USD
View
Price last confirmed 10 days ago
B
Retailer 21
-
£805 GBP
View
Most Expensive
Allurez
6201957 · Oct 26
£8,410 GBP
$11,268 USD
View
Price under review
21 more retailers have this diamond
Prices start from £139 GBPSave up to £666 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
£139 GBP