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Heart|Lab Grown|IGI

7.14ct D IF Heart Lab Grown Diamond

EX • D/IF • IGI LG621411217

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG621411217

Diamond specifications and retailer prices

From £18,089 GBP
$24,036 USD
As of October 29, 2026
Save £31,299 GBP (63%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £49,388 GBP at Taylor and Hart · As of October 28, 2026
View at Taylor and Hart

About this 7.14ct lab-grown heart diamond

This 7.14ct lab-grown heart sits in the over five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG621411217 or 621411217. Listed at 19 retailers as of October 28, 2026, with prices from £18,089 to £49,388, a £31,299 spread on the same certified stone. Taylor and Hart lists it at £49,388. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

7.14
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG621411217
Dimensions13.26 × 13.26 × 11.87 mm
L/W Ratio1.00
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
13.26 mm13.26 mm7.14 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG621411217
Side View
Table 58.0%Crown 35.5°Girdle: MED-STKPavilion 39.3°Culet: NoneDepth 59.3%

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 29
Current: £31,668 GBP|Low: £14,526 GBP|High: £61,596 GBP|Avg: £33,719 GBP|+5.3%
Retailer 1
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
Taylor and Hart
October 29, 2026
Retailer 14£18,089 GBP
Retailer 12£20,037 GBP
Retailer 4£20,427 GBP
Retailer 5£22,947 GBP
Retailer 9£24,721 GBP
Retailer 7£26,376 GBP
Retailer 13£28,199 GBP
Retailer 1£31,668 GBP
Retailer 6£35,629 GBP
Retailer 2£37,300 GBP
Retailer 3£38,817 GBP
Retailer 10£39,675 GBP
Taylor and Hart£49,388 GBP
Retailer 8£61,533 GBP
Retailer 11£61,596 GBP

30 data points across 15 retailers

19 retailers£18,089 GBP to £49,388 GBP

A
Retailer 1
-
£16,193 GBP
$21,516 USD
Price last confirmed 28 days ago
A
Retailer 2
-
£17,873 GBP
$23,749 USD
View
Price last confirmed 20 days ago
A
Retailer 3
-
£18,016 GBP
$23,939 USD
View
Price last confirmed 30 days ago
A
Retailer 4
-
£18,089 GBP
$24,036 USD
View
A
Retailer 5
-
£20,037 GBP
$26,624 USD
View
A
Retailer 6
-
£20,427 GBP
$27,142 USD
View
B+
Retailer 7
-
£20,733 GBP
$27,549 USD
View
Price last confirmed 26 days ago
B+
Retailer 8
-
£20,773 GBP
$27,603 USD
View
Price last confirmed 34 days ago
B+
Retailer 9
-
£24,721 GBP
$32,848 USD
View
B+
Retailer 10
-
£26,376 GBP
$35,048 USD
View
Final sale: no returns
B+
Retailer 11
-
£28,199 GBP
$37,470 USD
View
B+
Retailer 12
-
£31,668 GBP
View
B+
Retailer 13
-
£37,300 GBP
ZAR 800,687 ZAR
View
B+
Retailer 14
-
£37,516 GBP
$49,850 USD
View
B
Retailer 15
-
£38,817 GBP
A$79,352 AUD
View
B
Retailer 16
-
£39,675 GBP
$52,719 USD
View
Most Expensive
B
Taylor and Hart
6FLWDB4 · Oct 28
£49,388 GBP
$65,626 USD
View
16 more retailers have this diamond
Prices start from £18,089 GBPSave up to £31,299 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
7.14ct Heart
£18,089 GBP