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Round|Lab Grown|IGI

1.29ct G VS1 Round Lab Grown Diamond

ID • G/VS1 • IGI LG607342743

Shape and cutting style on the report: Round brilliant

Certificate IGI LG607342743

Diamond specifications and retailer prices

From £344 GBP
$462 USD
As of November 1, 2026
Save £803 GBP (70%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £1,147 GBP at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

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 G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG607342743 or 607342743. Listed at 16 retailers as of October 31, 2026, with prices from £344 to £1,147, a £803 spread on the same certified stone. Taylor and Hart lists it at £1,147. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.29
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG607342743
Dimensions7.01 × 7.05 × 4.28 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
HEARTS & ARROWS This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.01 mm7.05 mm1.29 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG607342743
Side View
Table 58.0%Crown 34.4°Girdle: MediumPavilion 40.8°Culet: NoneDepth 60.9%

Caratlytics Score

How it works →
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: Nov 1
Current: £408 GBP|Low: £236 GBP|High: £1,147 GBP|Avg: £569 GBP|-1.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Taylor and Hart
November 2, 2026
Retailer 3£236 GBP
Retailer 4£344 GBP
Retailer 11£347 GBP
Retailer 12£396 GBP
Retailer 1£408 GBP
Retailer 6£408 GBP
Retailer 8£425 GBP
Retailer 5£450 GBP
Retailer 9£575 GBP
Retailer 10£727 GBP
Retailer 2£905 GBP
Retailer 7£947 GBP
Taylor and Hart£1,147 GBP

42 data points across 13 retailers

16 retailers£344 GBP to £1,147 GBP

Retailer 1
-
£191 GBP
$256 USD
Price last confirmed 23 days ago
Retailer 2
-
£221 GBP
$297 USD
View
Price last confirmed 24 days ago
Retailer 3
-
£236 GBP
$317 USD
View
Price last confirmed 23 days ago
B+
Retailer 4
-
£344 GBP
$462 USD
View
A
Retailer 5
-
£347 GBP
$465 USD
View
B+
Retailer 6
-
£396 GBP
$531 USD
View
B+
Retailer 7
-
£408 GBP
View
B+
Retailer 8
-
£408 GBP
ZAR 8,850 ZAR
View
B+
Retailer 9
-
£425 GBP
€543 EUR
View
B+
Retailer 10
-
£450 GBP
View
B+
Retailer 11
-
£575 GBP
A$1,188 AUD
View
B
Retailer 12
-
£727 GBP
$975 USD
View
Retailer 13
-
£760 GBP
$1,020 USD
View
Price last confirmed 24 days ago
B
Retailer 14
-
£905 GBP
SGD 1,642 SGD
View
B
Retailer 15
-
£947 GBP
View
Most Expensive
B
Taylor and Hart
6TEF3MO · Oct 31
£1,147 GBP
$1,540 USD
View
15 more retailers have this diamond
Prices start from £344 GBPSave up to £803 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
£344 GBP