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Heart|Lab Grown|IGI

1.22ct E VS1 Heart Lab Grown Diamond

ID • E/VS1 • IGI LG710590512

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG710590512

Diamond specifications and retailer prices

From £201 GBP
$269 USD
As of October 30, 2026
Save £906 GBP (82%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £1,948 GBP at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

About this 1.22ct lab-grown heart diamond

This 1.22ct 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 LG710590512 or 710590512. Listed at 21 retailers as of October 29, 2026, with a 451% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.22
Carat
E
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.8°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG710590512
Dimensions7.41 × 7.41 × 6.63 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.41 mm7.41 mm1.22 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG710590512
Side View
Table 64.0%Crown 32.8°Girdle: MED-THKPavilion 40.6°Culet: NoneDepth 58.4%

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: £345 GBP|Low: £225 GBP|High: £1,115 GBP|Avg: £526 GBP|-1.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 30, 2026
Retailer 4£225 GBP
Retailer 12£249 GBP
Retailer 3£328 GBP
Retailer 1£345 GBP
Retailer 11£366 GBP
Retailer 9£472 GBP
Retailer 5£487 GBP
Retailer 7£608 GBP
Retailer 8£670 GBP
Retailer 10£765 GBP
Retailer 2£884 GBP
Retailer 6£1,107 GBP

41 data points across 12 retailers

21 retailers£201 GBP to £1,107 GBP

A
Cheapest Retailer
-
£201 GBP
$269 USD
A
Retailer 2
-
£225 GBP
$301 USD
View
Final sale: no returns
A
Retailer 3
-
£233 GBP
$312 USD
View
A
Retailer 4
-
£249 GBP
$334 USD
View
A
Retailer 5
-
£249 GBP
$334 USD
View
A
Retailer 6
-
£269 GBP
$360 USD
View
A
Retailer 7
-
£328 GBP
$440 USD
View
A
Retailer 8
-
£333 GBP
$446 USD
View
A
Retailer 9
-
£345 GBP
View
A
Retailer 10
-
£366 GBP
$490 USD
View
B+
Retailer 11
-
£472 GBP
ZAR 10,220 ZAR
View
B+
Retailer 12
-
£487 GBP
View
B
Retailer 13
-
£608 GBP
A$1,254 AUD
View
B+
Retailer 14
-
£670 GBP
A$1,382 AUD
View
B
Retailer 15
-
£765 GBP
$1,025 USD
View
B
Retailer 16
-
£884 GBP
$1,184 USD
View
B
Retailer 17
-
£1,006 GBP
$1,348 USD
View
B
Retailer 18
-
£1,053 GBP
$1,411 USD
View
B
Retailer 19
-
£1,107 GBP
View
Retailer 20
-
£1,784 GBP
$2,390 USD
View
Price under review
Most Expensive
Do Amore Diamonds
23-710590512 · Oct 30
£1,948 GBP
$2,610 USD
View
Price under review
20 more retailers have this diamond
Prices start from £201 GBPSave up to £906 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
1.22ct Heart
£201 GBP