Heart|Lab Grown|IGI

1.05ct E VS1 Heart Lab Grown Diamond

ID • E/VS1 • IGI LG798613316

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG798613316

Diamond specifications and retailer prices

From £148 GBP
$198 USD
As of October 30, 2026
Save £655 GBP (82%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £802 GBP at The Diamond Guys · As of October 31, 2026
View at The Diamond Guys

About this 1.05ct lab-grown heart diamond

This 1.05ct lab-grown heart sits in the classic one-carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG798613316 or 798613316. Listed at 6 retailers as of October 30, 2026, with prices from £148 to £802, a £655 spread on the same certified stone. The Diamond Guys lists it at £802. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.05
Carat
E
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle38.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG798613316
Dimensions7.21 × 6.40 × 4.14 mm
L/W Ratio1.13
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.21 mm6.40 mm1.05 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG798613316
Side View
Table 57.0%Crown 34.4°Girdle: MED-STKPavilion 38.1°Culet: NoneDepth 57.4%

Caratlytics Score

How it works →
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 30
Current: £148 GBP|Low: £102 GBP|High: £57,157 GBP|Avg: £4,553 GBP|-6.6%
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
The Diamond Guys
October 27, 2026
Retailer 2£102 GBP
Retailer 1£148 GBP
Retailer 12£200 GBP
Retailer 6£228 GBP
Retailer 7£325 GBP
Retailer 8£341 GBP
Retailer 11£345 GBP
Retailer 3£510 GBP
Retailer 5£606 GBP
Retailer 13£750 GBP
The Diamond Guys£802 GBP
Retailer 10£866 GBP
Retailer 9£1,358 GBP
Retailer 4£57,157 GBP

13 data points across 14 retailers

6 retailers£148 GBP to £802 GBP

A
Cheapest Retailer
-
£148 GBP
$198 USD
Final sale: no returns
B+
Retailer 2
-
£228 GBP
$306 USD
View
Retailer 3
-
£325 GBP
ZAR 7,026 ZAR
View
Price last confirmed 43 days ago
B
Retailer 4
-
£606 GBP
CA$1,128 CAD
View
Most Expensive
B
The Diamond Guys
1958044272 · Oct 31
£802 GBP
$1,075 USD
View
4 more retailers have this diamond
Prices start from £148 GBPSave up to £655 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
1.05ct Heart
£148 GBP