Round|Lab Grown|IGI

1.26ct D VVS1 Round Lab Grown Diamond

ID • D/VVS1 • IGI LG604393184

Shape and cutting style on the report: Round brilliant

Certificate IGI LG604393184

Diamond specifications and retailer prices

From £148 GBP
$198 USD
As of October 29, 2026
Save £502 GBP (77%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £649 GBP at NZ Jewellers · As of October 31, 2026
View at NZ Jewellers

About this 1.26ct lab-grown round diamond

This 1.26ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG604393184 or 604393184. Listed at 6 retailers as of October 29, 2026, with prices from £148 to £649, a £502 spread on the same certified stone. NZ Jewellers lists it at £649. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.26
Carat
D
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG604393184
Dimensions6.87 × 6.92 × 4.28 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
6.87 mm6.92 mm1.26 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG604393184
Side View
Table 57.0%Crown 36.1°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 62.0%

Caratlytics Score

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A+
Exceptional
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: £649 GBP|Low: £143 GBP|High: £690 GBP|Avg: £328 GBP|-5.8%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 30, 2026
Retailer 3£148 GBP
Retailer 2£171 GBP
Retailer 4£178 GBP
Retailer 5£178 GBP
Retailer 6£367 GBP
Retailer 7£515 GBP
NZ Jewellers£649 GBP

12 data points across 7 retailers

6 retailers£148 GBP to £649 GBP

A+
Cheapest Retailer
-
£148 GBP
$198 USD
A
Retailer 2
-
£171 GBP
$229 USD
View
A
Retailer 3
-
£178 GBP
$238 USD
View
A
Retailer 4
-
£178 GBP
$238 USD
View
A
Retailer 5
-
£367 GBP
$492 USD
View
Most Expensive
B
NZ Jewellers
802318af-596e-4a6a-abec-2e2ab3912cac · Oct 31
£649 GBP
$870 USD
View
5 more retailers have this diamond
Prices start from £148 GBPSave up to £502 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+
1.26ct Round
£148 GBP