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Heart|Lab Grown|IGI

1.22ct D IF Heart Lab Grown Diamond

EX • D/IF • IGI LG627490059

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG627490059

Diamond specifications and retailer prices

From €335 EUR
$374 USD
As of October 30, 2026
Save €1,473 EUR (81%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €1,808 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG627490059 or 627490059. Listed at 18 retailers as of October 30, 2026, with prices from €335 to €1,808, a €1,473 spread on the same certified stone. Brilliant Earth lists it at €1,808. 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
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG627490059
Dimensions6.77 × 7.47 × 4.22 mm
L/W Ratio1.10
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
6.77 mm7.47 mm1.22 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG627490059
Side View
Table 61.0%Crown 35.2°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 56.5%

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 30
Current: €1,808 EUR|Low: €327 EUR|High: €1,808 EUR|Avg: €800 EUR
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
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Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
November 2, 2026
Retailer 7€335 EUR
Retailer 12€384 EUR
Retailer 4€388 EUR
Retailer 16€415 EUR
Retailer 10€422 EUR
Retailer 5€550 EUR
Retailer 3€557 EUR
Retailer 17€631 EUR
Retailer 13€665 EUR
Retailer 2€716 EUR
Retailer 6€737 EUR
Retailer 11€751 EUR
Retailer 14€1,040 EUR
Retailer 18€1,335 EUR
Retailer 8€1,370 EUR
Retailer 15€1,515 EUR
Retailer 9€1,656 EUR
Brilliant Earth€1,808 EUR

38 data points across 18 retailers

18 retailers€335 EUR to €1,808 EUR

A
Cheapest Retailer
-
€335 EUR
$374 USD
A
Retailer 2
-
€384 EUR
$429 USD
View
Final sale: no returns
A
Retailer 3
-
€388 EUR
$434 USD
View
A
Retailer 4
-
€415 EUR
$464 USD
View
Retailer 5
-
€422 EUR
$471 USD
View
Price last confirmed 8 days ago
A
Retailer 6
-
€550 EUR
$615 USD
View
A
Retailer 7
-
€557 EUR
$622 USD
View
B+
Retailer 8
-
€631 EUR
$705 USD
View
B+
Retailer 9
-
€665 EUR
View
B+
Retailer 10
-
€716 EUR
ZAR 12,928 ZAR
View
B+
Retailer 11
-
€737 EUR
$823 USD
View
B+
Retailer 12
-
€751 EUR
£660 GBP
View
B+
Retailer 13
-
€1,040 EUR
$1,162 USD
View
B
Retailer 14
-
€1,335 EUR
$1,492 USD
View
B
Retailer 15
-
€1,370 EUR
$1,531 USD
View
B
Retailer 16
-
€1,515 EUR
$1,693 USD
View
Retailer 17
-
€1,656 EUR
£1,457 GBP
View
Price last confirmed 12 days ago
Most Expensive
B
Brilliant Earth
11258394A · Oct 31
€1,808 EUR
$2,020 USD
View
17 more retailers have this diamond
Prices start from €335 EURSave up to €1,473 EUR

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
€335 EUR