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Heart|Lab Grown|IGI

1.27ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG799669044

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG799669044

Diamond specifications and retailer prices

From £235 GBP
$315 USD
As of November 2, 2026
Save £1,844 GBP (89%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £2,079 GBP at Do Amore Diamonds · As of November 2, 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 FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG799669044 or 799669044. Listed at 13 retailers as of November 2, 2026, with prices from £235 to £2,079, a £1,844 spread on the same certified stone. Do Amore Diamonds lists it at £2,079. 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
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG799669044
Dimensions7.57 × 6.49 × 4.46 mm
L/W Ratio1.17
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
7.57 mm6.49 mm1.27 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG799669044
Side View
Table 57.0%Crown 33°Girdle: STK-THKPavilion 39.3°Culet: NoneDepth 58.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: £2,079 GBP|Low: £235 GBP|High: £3,055 GBP|Avg: £957 GBP|-32.0%
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
November 2, 2026
Retailer 9£235 GBP
Retailer 3£272 GBP
Retailer 2£330 GBP
Retailer 10£408 GBP
Retailer 4£428 GBP
Retailer 12£473 GBP
Retailer 5£511 GBP
Retailer 8£735 GBP
Retailer 11£852 GBP
Retailer 13£1,031 GBP
Retailer 6£1,254 GBP
Retailer 7£1,952 GBP
Do Amore Diamonds£2,079 GBP

34 data points across 13 retailers

13 retailers£235 GBP to £2,079 GBP

A
Cheapest Retailer
-
£235 GBP
$315 USD
A
Retailer 2
-
£272 GBP
$365 USD
View
A
Retailer 3
-
£330 GBP
View
A
Retailer 4
-
£408 GBP
$548 USD
View
A
Retailer 5
-
£428 GBP
$575 USD
View
A
Retailer 6
-
£473 GBP
$635 USD
View
A
Retailer 7
-
£511 GBP
$686 USD
View
B+
Retailer 8
-
£735 GBP
A$1,518 AUD
View
B+
Retailer 9
-
£852 GBP
$1,144 USD
View
B+
Retailer 10
-
£1,031 GBP
$1,384 USD
View
B+
Retailer 11
-
£1,254 GBP
View
B
Retailer 12
-
£1,952 GBP
$2,620 USD
View
Most Expensive
B
Do Amore Diamonds
27-1E52F9F11 · Nov 2
£2,079 GBP
$2,790 USD
View
12 more retailers have this diamond
Prices start from £235 GBPSave up to £1,844 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
£235 GBP