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Heart|Lab Grown|IGI

1.27ct D IF Heart Lab Grown Diamond

ID • D/IF • IGI LG766685011

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG766685011

Diamond specifications and retailer prices

From £184 GBP
As of November 4, 2026
Save £1,468 GBP (89%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £1,652 GBP at Do Amore Diamonds · As of November 4, 2026
View at Do Amore Diamonds

About this 1.27ct lab-grown heart diamond

This 1.27ct lab-grown heart sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG766685011 or 766685011. Listed at 13 retailers as of November 4, 2026, with prices from £184 to £1,652, a £1,468 spread on the same certified stone. Do Amore Diamonds lists it at £1,652. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.27
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.6°
Pavilion angle42.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG766685011
Dimensions6.68 × 7.43 × 4.50 mm
L/W Ratio1.11
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
6.68 mm7.43 mm1.27 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG766685011
Side View
Table 62.0%Crown 32.6°Girdle: MED-STKPavilion 42.5°Culet: NoneDepth 60.6%

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: Nov 4
Current: £1,652 GBP|Low: £184 GBP|High: £1,793 GBP|Avg: £634 GBP|-7.9%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
November 4, 2026
Retailer 9£184 GBP
Retailer 4£208 GBP
Retailer 13£213 GBP
Retailer 2£282 GBP
Retailer 12£309 GBP
Retailer 16£311 GBP
Retailer 6£418 GBP
Retailer 3£419 GBP
Retailer 7£456 GBP
Retailer 8£484 GBP
Retailer 14£616 GBP
Retailer 11£649 GBP
Retailer 10£807 GBP
Retailer 15£1,020 GBP
Retailer 5£1,533 GBP
Do Amore Diamonds£1,652 GBP

28 data points across 16 retailers

13 retailers£184 GBP to £1,652 GBP

A+
Cheapest Retailer
-
£184 GBP
A
Retailer 2
-
£208 GBP
View
Final sale: no returns
A
Retailer 3
-
£213 GBP
View
A
Retailer 4
-
£282 GBP
View
A
Retailer 5
-
£309 GBP
View
A
Retailer 6
-
£311 GBP
View
A
Retailer 7
-
£419 GBP
View
B+
Retailer 8
-
£616 GBP
View
B+
Retailer 9
-
£649 GBP
View
B+
Retailer 10
-
£807 GBP
View
B+
Retailer 11
-
£1,020 GBP
View
B
Retailer 12
-
£1,533 GBP
View
Most Expensive
B
Do Amore Diamonds
27-3E30A2F7B · Nov 4
£1,652 GBP
$2,230 USD
View
12 more retailers have this diamond
Prices start from £184 GBPSave up to £1,468 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+
1.27ct Heart
£184 GBP