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Heart|Lab Grown|IGI

1.29ct D VVS1 Heart Lab Grown Diamond

EX • D/VVS1 • IGI LG837606352

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG837606352

Diamond specifications and retailer prices

From £196 GBP
As of November 4, 2026
Save £841 GBP (81%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £1,036 GBP at Reve Diamonds · As of November 4, 2026
View at Reve Diamonds

About this 1.29ct lab-grown heart diamond

This 1.29ct lab-grown heart 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 LG837606352 or 837606352. Listed at 18 retailers as of November 4, 2026, with prices from £196 to £1,036, a £841 spread on the same certified stone. Reve Diamonds lists it at £1,036. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.6°
Pavilion angle37.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837606352
Dimensions6.42 × 7.37 × 4.49 mm
L/W Ratio1.15
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
6.42 mm7.37 mm1.29 ctD / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837606352
Side View
Table 58.0%Crown 39.6°Girdle: MED-STKPavilion 37.8°Culet: NoneDepth 60.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 4
Current: £457 GBP|Low: £188 GBP|High: £978 GBP|Avg: £490 GBP|+1.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 5, 2026
Retailer 2£196 GBP
Retailer 3£243 GBP
Retailer 6£276 GBP
Retailer 10£324 GBP
Retailer 13£359 GBP
Retailer 8£419 GBP
Retailer 1£457 GBP
Retailer 5£496 GBP
Retailer 9£573 GBP
Retailer 7£596 GBP
Retailer 4£781 GBP
Retailer 11£863 GBP
Retailer 12£978 GBP

38 data points across 13 retailers

18 retailers£196 GBP to £1,036 GBP

A
Cheapest Retailer
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£196 GBP
A
Retailer 2
-
£219 GBP
View
Final sale: no returns
A
Retailer 3
-
£227 GBP
View
Retailer 4
-
£243 GBP
View
Price last confirmed 20 days ago
A
Retailer 5
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£243 GBP
View
A
Retailer 6
-
£276 GBP
View
A
Retailer 7
-
£324 GBP
View
A
Retailer 8
-
£359 GBP
View
B+
Retailer 9
-
£419 GBP
View
B+
Retailer 10
-
£457 GBP
View
B+
Retailer 11
-
£496 GBP
View
B+
Retailer 12
-
£573 GBP
View
B+
Retailer 13
-
£596 GBP
View
B
Retailer 14
-
£781 GBP
View
B
Retailer 15
-
£818 GBP
View
B
Retailer 16
-
£863 GBP
View
Retailer 17
-
£978 GBP
View
Price last confirmed 7 days ago
Most Expensive
B
Reve Diamonds
AE19706A0 · Nov 4
£1,036 GBP
$1,399 USD
View
17 more retailers have this diamond
Prices start from £196 GBPSave up to £841 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 Heart
£196 GBP