Heart|Lab Grown|IGI

1.27ct F VVS1 Heart Lab Grown Diamond

EX • F/VVS1 • IGI LG731535541

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG731535541

Diamond specifications and retailer prices

From £146 GBP
As of November 6, 2026
Save £1,258 GBP (90%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £1,405 GBP at Do Amore Diamonds · As of November 6, 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 F colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG731535541 or 731535541. Listed at 12 retailers as of November 6, 2026, with prices from £146 to £1,405, a £1,258 spread on the same certified stone. Do Amore Diamonds lists it at £1,405. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.27
Carat
F
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle38.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG731535541
Dimensions6.79 × 7.66 × 4.35 mm
L/W Ratio1.13
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
6.79 mm7.66 mm1.27 ctF / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG731535541
Side View
Table 59.0%Crown 35.1°Girdle: MED-STKPavilion 38.9°Culet: NoneDepth 56.8%

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 6
Current: £1,405 GBP|Low: £146 GBP|High: £1,576 GBP|Avg: £532 GBP|-7.4%
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 5, 2026
Retailer 10£146 GBP
Retailer 2£164 GBP
Retailer 14£170 GBP
Retailer 9£216 GBP
Retailer 13£247 GBP
Retailer 5£348 GBP
Retailer 3£372 GBP
Retailer 6£435 GBP
Retailer 7£458 GBP
Retailer 15£506 GBP
Retailer 12£524 GBP
Retailer 11£643 GBP
Retailer 4£732 GBP
Retailer 16£830 GBP
Retailer 8£861 GBP
Do Amore Diamonds£1,405 GBP

29 data points across 16 retailers

12 retailers£146 GBP to £1,405 GBP

A
Cheapest Retailer
-
£146 GBP
A
Retailer 2
-
£164 GBP
View
Final sale: no returns
A
Retailer 3
-
£170 GBP
View
A
Retailer 4
-
£216 GBP
View
B+
Retailer 5
-
£247 GBP
View
B+
Retailer 6
-
£372 GBP
View
B+
Retailer 7
-
£506 GBP
View
B+
Retailer 8
-
£524 GBP
View
B+
Retailer 9
-
£643 GBP
View
B
Retailer 10
-
£732 GBP
View
B
Retailer 11
-
£830 GBP
View
Most Expensive
B
Do Amore Diamonds
27-23539B847 · Nov 6
£1,405 GBP
$1,880 USD
View
11 more retailers have this diamond
Prices start from £146 GBPSave up to £1,258 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
£146 GBP