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Heart|Lab Grown|IGI

7.07ct E SI1 Heart Lab Grown Diamond

ID • E/SI1 • IGI LG821630619

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG821630619

Diamond specifications and retailer prices

From £777 GBP
$1,041 USD
As of October 24, 2026
Save £3,403 GBP (81%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £4,179 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 7.07ct lab-grown heart diamond

This 7.07ct lab-grown heart sits in the over five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG821630619 or 821630619. Listed at 16 retailers as of October 24, 2026, with prices from £777 to £4,179, a £3,403 spread on the same certified stone. Brilliant Earth lists it at £4,179. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

7.07
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG821630619
Dimensions13.33 × 11.75 × 7.87 mm
L/W Ratio1.13
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.33 mm11.75 mm7.07 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG821630619
Side View
Table 56.0%Crown 35.7°Girdle: STK-THKPavilion 39.4°Culet: NoneDepth 59.0%

Caratlytics Score

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A
Excellent
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: Oct 24
Current: £4,179 GBP|Low: £685 GBP|High: £4,179 GBP|Avg: £1,709 GBP
Brilliant Earth
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
Retailer 17
October 31, 2026
Retailer 17£713 GBP
Retailer 15£777 GBP
Retailer 7£799 GBP
Retailer 3£828 GBP
Retailer 10£946 GBP
Retailer 6£959 GBP
Retailer 12£988 GBP
Retailer 9£1,149 GBP
Retailer 13£1,269 GBP
Retailer 5£1,325 GBP
Retailer 11£1,629 GBP
Retailer 4£1,636 GBP
Retailer 16£2,328 GBP
Retailer 2£2,748 GBP
Retailer 14£2,811 GBP
Retailer 8£3,078 GBP
Brilliant Earth£4,179 GBP

43 data points across 17 retailers

16 retailers£777 GBP to £4,179 GBP

Retailer 1
-
£713 GBP
$956 USD
Price last confirmed 7 days ago
A
Retailer 2
-
£777 GBP
$1,041 USD
View
A
Retailer 3
-
£828 GBP
$1,109 USD
View
A
Retailer 4
-
£946 GBP
HK$9,900 HKD
View
A
Retailer 5
-
£959 GBP
$1,285 USD
View
A
Retailer 6
-
£988 GBP
View
A
Retailer 7
-
£1,149 GBP
$1,539 USD
View
A
Retailer 8
-
£1,269 GBP
View
B+
Retailer 9
-
£1,325 GBP
$1,775 USD
View
B+
Retailer 10
-
£1,629 GBP
A$3,358 AUD
View
B+
Retailer 11
-
£1,636 GBP
$2,192 USD
View
B
Retailer 12
-
£2,328 GBP
$3,119 USD
View
B
Retailer 13
-
£2,748 GBP
SGD 4,975 SGD
View
B
Retailer 14
-
£2,811 GBP
View
B
Retailer 15
-
£3,078 GBP
$4,124 USD
View
Most Expensive
B
Brilliant Earth
20782621A · Oct 29
£4,179 GBP
$5,600 USD
View
15 more retailers have this diamond
Prices start from £777 GBPSave up to £3,403 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
7.07ct Heart
£777 GBP