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Heart|Lab Grown|IGI

1.22ct D VS1 Heart Lab Grown Diamond

ID • D/VS1 • IGI LG705519181

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG705519181

Diamond specifications and retailer prices

From £205 GBP
As of November 4, 2026
Save £919 GBP (82%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £2,000 GBP at Do Amore Diamonds · As of November 3, 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 D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG705519181 or 705519181. Listed at 21 retailers as of November 4, 2026, with a 448% 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
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle29.6°
Pavilion angle38.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG705519181
Dimensions6.45 × 7.72 × 4.31 mm
L/W Ratio1.20
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.45 mm7.72 mm1.22 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG705519181
Side View
Table 61.0%Crown 29.6°Girdle: MED-STKPavilion 38.9°Culet: NoneDepth 55.8%

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: Nov 4
Current: £495 GBP|Low: £197 GBP|High: £1,140 GBP|Avg: £551 GBP|+0.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 5, 2026
Retailer 11£205 GBP
Retailer 4£239 GBP
Retailer 2£255 GBP
Retailer 10£370 GBP
Retailer 6£375 GBP
Retailer 8£484 GBP
Retailer 1£495 GBP
Retailer 12£656 GBP
Retailer 7£691 GBP
Retailer 9£783 GBP
Retailer 3£904 GBP
Retailer 5£1,124 GBP

40 data points across 12 retailers

21 retailers£205 GBP to £1,124 GBP

A
Cheapest Retailer
-
£205 GBP
A
Retailer 2
-
£229 GBP
View
Final sale: no returns
A
Retailer 3
-
£239 GBP
View
A
Retailer 4
-
£255 GBP
View
Retailer 5
-
£255 GBP
View
Price last confirmed 11 days ago
A
Retailer 6
-
£284 GBP
View
B+
Retailer 7
-
£334 GBP
View
B+
Retailer 8
-
£340 GBP
View
B+
Retailer 9
-
£370 GBP
View
B+
Retailer 10
-
£375 GBP
View
B+
Retailer 11
-
£484 GBP
View
B+
Retailer 12
-
£495 GBP
View
Retailer 13
-
£656 GBP
View
Price last confirmed 11 days ago
B+
Retailer 14
-
£691 GBP
View
B
Retailer 15
-
£783 GBP
View
B
Retailer 16
-
£904 GBP
View
B
Retailer 17
-
£1,024 GBP
View
B
Retailer 18
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£1,064 GBP
View
B
Retailer 19
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£1,124 GBP
View
Retailer 20
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£1,822 GBP
View
Price under review
Most Expensive
Do Amore Diamonds
23-705519181 · Nov 3
£2,000 GBP
$2,700 USD
View
Price under review
20 more retailers have this diamond
Prices start from £205 GBPSave up to £919 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
£205 GBP