Heart|Lab Grown|IGI

1.27ct E IF Heart Lab Grown Diamond

EX • E/IF • IGI LG842638695

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG842638695

Diamond specifications and retailer prices

From £326 GBP
$437 USD
As of October 30, 2026
Save £1,883 GBP (85%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £2,209 GBP at Do Amore Diamonds · As of October 29, 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 E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG842638695 or 842638695. Listed at 20 retailers as of October 29, 2026, with prices from £326 to £2,209, a £1,883 spread on the same certified stone. Do Amore Diamonds lists it at £2,209. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.27
Carat
E
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG842638695
Dimensions6.59 × 7.62 × 4.44 mm
L/W Ratio1.16
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.59 mm7.62 mm1.27 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG842638695
Side View
Table 55.0%Crown 35.2°Girdle: MED-STKPavilion 41.5°Culet: NoneDepth 58.3%

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: Oct 30
Current: £2,209 GBP|Low: £326 GBP|High: £2,209 GBP|Avg: £923 GBP
Do Amore Diamonds
Retailer 2
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Retailer 21
October 30, 2026
Retailer 7£326 GBP
Retailer 2£423 GBP
Retailer 18£470 GBP
Retailer 3£523 GBP
Retailer 9£536 GBP
Retailer 21£605 GBP
Retailer 11£614 GBP
Retailer 16£657 GBP
Retailer 5£685 GBP
Retailer 14£730 GBP
Retailer 17£971 GBP
Retailer 10£1,019 GBP
Retailer 15£1,035 GBP
Retailer 13£1,104 GBP
Retailer 12£1,224 GBP
Retailer 8£1,337 GBP
Retailer 4£1,394 GBP
Retailer 20£1,472 GBP
Retailer 6£1,531 GBP
Retailer 19£1,759 GBP
Do Amore Diamonds£2,209 GBP

12 data points across 21 retailers

20 retailers£326 GBP to £2,209 GBP

A
Cheapest Retailer
-
£326 GBP
$437 USD
Final sale: no returns
A
Retailer 2
-
£423 GBP
View
A
Retailer 3
-
£470 GBP
$630 USD
View
A
Retailer 4
-
£523 GBP
$701 USD
View
A
Retailer 5
-
£536 GBP
$718 USD
View
A
Retailer 6
-
£544 GBP
$729 USD
View
Retailer 7
-
£614 GBP
$823 USD
View
Price last confirmed 17 days ago
B+
Retailer 8
-
£657 GBP
View
B+
Retailer 9
-
£685 GBP
ZAR 14,823 ZAR
View
Retailer 10
-
£730 GBP
$978 USD
View
Price last confirmed 17 days ago
B+
Retailer 11
-
£971 GBP
A$2,002 AUD
View
Retailer 12
-
£1,019 GBP
A$2,101 AUD
View
Price last confirmed 22 days ago
B
Retailer 13
-
£1,035 GBP
View
B
Retailer 14
-
£1,104 GBP
CA$2,054 CAD
View
B
Retailer 15
-
£1,337 GBP
$1,792 USD
View
B
Retailer 16
-
£1,394 GBP
$1,868 USD
View
B
Retailer 17
-
£1,472 GBP
View
B
Retailer 18
-
£1,531 GBP
$2,051 USD
View
B
Retailer 19
-
£1,759 GBP
$2,357 USD
View
Most Expensive
B
Do Amore Diamonds
20-E101793 · Oct 29
£2,209 GBP
$2,960 USD
View
19 more retailers have this diamond
Prices start from £326 GBPSave up to £1,883 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
£326 GBP