Heart|Lab Grown|IGI

1.26ct D VVS1 Heart Lab Grown Diamond

ID • D/VVS1 • IGI LG839670681

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG839670681

Diamond specifications and retailer prices

From £168 GBP
$226 USD
As of October 30, 2026
Save £1,069 GBP (86%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £1,237 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.26ct lab-grown heart diamond

This 1.26ct 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 LG839670681 or 839670681. Listed at 20 retailers as of October 30, 2026, with prices from £168 to £1,237, a £1,069 spread on the same certified stone. Brilliant Earth lists it at £1,237. 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 angle36.9°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839670681
Dimensions6.38 × 7.48 × 4.48 mm
L/W Ratio1.17
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.38 mm7.48 mm1.26 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839670681
Side View
Table 61.0%Crown 36.9°Girdle: MED-STKPavilion 39.8°Culet: NoneDepth 59.9%

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 30
Current: £237 GBP|Low: £168 GBP|High: £1,118 GBP|Avg: £477 GBP|-2.6%
Retailer 1
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Retailer 19
November 2, 2026
Retailer 7£168 GBP
Retailer 16£189 GBP
Retailer 14£194 GBP
Retailer 18£209 GBP
Retailer 11£210 GBP
Retailer 1£237 GBP
Retailer 6£282 GBP
Retailer 15£360 GBP
Retailer 13£389 GBP
Retailer 5£446 GBP
Retailer 4£469 GBP
Retailer 10£511 GBP
Retailer 19£671 GBP
Retailer 2£673 GBP
Retailer 8£710 GBP
Retailer 3£721 GBP
Retailer 9£826 GBP
Retailer 17£837 GBP
Retailer 12£1,105 GBP

18 data points across 19 retailers

20 retailers£168 GBP to £1,237 GBP

A
Cheapest Retailer
-
£168 GBP
$226 USD
A
Retailer 2
-
£189 GBP
$253 USD
View
Final sale: no returns
A
Retailer 3
-
£194 GBP
$261 USD
View
A
Retailer 4
-
£209 GBP
$280 USD
View
Retailer 5
-
£210 GBP
$282 USD
View
Price last confirmed 9 days ago
A
Retailer 6
-
£237 GBP
View
A
Retailer 7
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£282 GBP
$378 USD
View
A
Retailer 8
-
£360 GBP
ZAR 7,811 ZAR
View
A
Retailer 9
-
£389 GBP
View
B+
Retailer 10
-
£446 GBP
$598 USD
View
B+
Retailer 11
-
£469 GBP
$630 USD
View
B+
Retailer 12
-
£511 GBP
A$1,055 AUD
View
B+
Retailer 13
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£671 GBP
$900 USD
View
B
Retailer 14
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£673 GBP
$903 USD
View
B+
Retailer 15
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£710 GBP
$953 USD
View
B+
Retailer 16
-
£721 GBP
$967 USD
View
B
Retailer 17
-
£826 GBP
A$1,705 AUD
View
B+
Retailer 18
-
£837 GBP
View
B
Retailer 19
-
£1,105 GBP
SGD 2,004 SGD
View
Most Expensive
B
Brilliant Earth
22411846A · Oct 31
£1,237 GBP
$1,660 USD
View
19 more retailers have this diamond
Prices start from £168 GBPSave up to £1,069 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 Heart
£168 GBP