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Round|Lab Grown|IGI

1.29ct D VVS1 Round Lab Grown Diamond

ID • D/VVS1 • IGI LG600383453

Shape and cutting style on the report: Round brilliant

Certificate IGI LG600383453

Diamond specifications and retailer prices

From £159 GBP
As of November 3, 2026
Save £807 GBP (84%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £966 GBP at NZ Jewellers · As of November 3, 2026
View at NZ Jewellers

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 D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG600383453 or 600383453. Listed at 6 retailers as of November 3, 2026, with prices from £159 to £966, a £807 spread on the same certified stone. NZ Jewellers lists it at £966. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.29
Carat
D
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG600383453
Dimensions6.92 × 6.96 × 4.30 mm
L/W Ratio1.01
Girdle conditionFaceted
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
6.92 mm6.96 mm1.29 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG600383453
Side View
Table 58.0%Crown 35.6°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.0%

Caratlytics Score

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A+
Exceptional
Excellent quality and great value
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Price History

Last verified: Nov 3
Current: £966 GBP|Low: £159 GBP|High: £1,003 GBP|Avg: £382 GBP|-3.7%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 4, 2026
Retailer 5£159 GBP
Retailer 2£197 GBP
Retailer 6£198 GBP
Retailer 3£281 GBP
Retailer 4£379 GBP
Retailer 7£490 GBP
Retailer 8£521 GBP
NZ Jewellers£966 GBP

22 data points across 8 retailers

6 retailers£159 GBP to £966 GBP

A+
Cheapest Retailer
-
£159 GBP
A
Retailer 2
-
£197 GBP
View
Retailer 3
-
£198 GBP
View
Price last confirmed 11 days ago
A
Retailer 4
-
£281 GBP
View
A
Retailer 5
-
£379 GBP
View
Most Expensive
B
NZ Jewellers
cabcbb8c-b9a5-4ded-9549-3ca826ca0967 · Nov 3
£966 GBP
$1,304 USD
View
5 more retailers have this diamond
Prices start from £159 GBPSave up to £807 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
£159 GBP