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Heart|Lab Grown|IGI

1.22ct D IF Heart Lab Grown Diamond

ID • D/IF • IGI LG837646991

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG837646991

Diamond specifications and retailer prices

From €231 EUR
$258 USD
As of October 30, 2026
Save €1,819 EUR (89%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €2,050 EUR at Do Amore Diamonds · As of October 31, 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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG837646991 or 837646991. Listed at 13 retailers as of October 30, 2026, with prices from €231 to €2,050, a €1,819 spread on the same certified stone. Do Amore Diamonds lists it at €2,050. 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
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle41.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837646991
Dimensions7.21 × 6.32 × 4.63 mm
L/W Ratio1.14
Girdle conditionFaceted
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
7.21 mm6.32 mm1.22 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837646991
Side View
Table 56.0%Crown 34.4°Girdle: STK-THKPavilion 41.9°Culet: NoneDepth 64.2%

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: €2,050 EUR|Low: €226 EUR|High: €2,095 EUR|Avg: €942 EUR|-2.1%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 31, 2026
Retailer 9€231 EUR
Retailer 7€327 EUR
Retailer 2€448 EUR
Retailer 11€477 EUR
Retailer 4€560 EUR
Retailer 5€740 EUR
Retailer 8€770 EUR
Retailer 10€880 EUR
Retailer 12€1,017 EUR
Retailer 13€1,269 EUR
Retailer 6€1,517 EUR
Retailer 3€1,781 EUR
Do Amore Diamonds€2,050 EUR

29 data points across 13 retailers

13 retailers€231 EUR to €2,050 EUR

A
Cheapest Retailer
-
€231 EUR
$258 USD
A
Retailer 2
-
€327 EUR
£287 GBP
View
A
Retailer 3
-
€448 EUR
$500 USD
View
A
Retailer 4
-
€477 EUR
$533 USD
View
A
Retailer 5
-
€560 EUR
$626 USD
View
B+
Retailer 6
-
€740 EUR
$827 USD
View
B+
Retailer 7
-
€770 EUR
A$1,323 AUD
View
B+
Retailer 8
-
€880 EUR
$983 USD
View
B+
Retailer 9
-
€1,017 EUR
$1,136 USD
View
B+
Retailer 10
-
€1,269 EUR
£1,116 GBP
View
B
Retailer 11
-
€1,517 EUR
A$2,607 AUD
View
B
Retailer 12
-
€1,781 EUR
$1,990 USD
View
Most Expensive
B
Do Amore Diamonds
27-4A63AF22A · Oct 31
€2,050 EUR
$2,290 USD
View
12 more retailers have this diamond
Prices start from €231 EURSave up to €1,819 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
€231 EUR