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Round|Lab Grown|IGI

1.22ct D FL Round Lab Grown Diamond

ID • D/FL • IGI LG818644658

Shape and cutting style on the report: Round brilliant

Certificate IGI LG818644658

Diamond specifications and retailer prices

From €354 EUR
$396 USD
As of October 29, 2026
Save €2,089 EUR (85%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: €2,444 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.22ct lab-grown round diamond

This 1.22ct lab-grown round sits in the classic one-carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG818644658 or 818644658. Listed at 21 retailers as of October 29, 2026, with prices from €354 to €2,444, a €2,089 spread on the same certified stone. Brilliant Earth lists it at €2,444. 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
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.6°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818644658
Dimensions6.86 × 6.91 × 4.13 mm
L/W Ratio1.01
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
6.86 mm6.91 mm1.22 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818644658
Side View
Table 59.0%Crown 33.6°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 60.0%

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 29
Current: €2,444 EUR|Low: €340 EUR|High: €2,444 EUR|Avg: €920 EUR
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
October 31, 2026
Retailer 13€354 EUR
Retailer 4€397 EUR
Retailer 6€397 EUR
Retailer 14€439 EUR
Retailer 10€573 EUR
Retailer 2€691 EUR
Retailer 8€700 EUR
Retailer 7€714 EUR
Retailer 9€756 EUR
Retailer 12€1,057 EUR
Retailer 3€1,400 EUR
Retailer 5€1,414 EUR
Retailer 11€1,721 EUR
Brilliant Earth€2,444 EUR

41 data points across 14 retailers

21 retailers€354 EUR to €2,444 EUR

A
Cheapest Retailer
-
€354 EUR
$396 USD
A
Retailer 2
-
€397 EUR
$444 USD
View
A
Retailer 3
-
€397 EUR
$444 USD
View
Final sale: no returns
A
Retailer 4
-
€439 EUR
$491 USD
View
A
Retailer 5
-
€439 EUR
$491 USD
View
A
Retailer 6
-
€481 EUR
HK$4,200 HKD
View
B+
Retailer 7
-
€573 EUR
$640 USD
View
B+
Retailer 8
-
€591 EUR
$660 USD
View
B+
Retailer 9
-
€690 EUR
$771 USD
View
B+
Retailer 10
-
€691 EUR
View
B+
Retailer 11
-
€700 EUR
£616 GBP
View
B+
Retailer 12
-
€714 EUR
£628 GBP
View
B+
Retailer 13
-
€756 EUR
ZAR 13,643 ZAR
View
B
Retailer 14
-
€1,057 EUR
$1,181 USD
View
B
Retailer 15
-
€1,400 EUR
SGD 2,114 SGD
View
B
Retailer 16
-
€1,414 EUR
$1,580 USD
View
B
Retailer 17
-
€1,447 EUR
$1,616 USD
View
B
Retailer 18
-
€1,612 EUR
$1,801 USD
View
B
Retailer 19
-
€1,629 EUR
$1,820 USD
View
B
Retailer 20
-
€1,721 EUR
£1,514 GBP
View
Most Expensive
B
Brilliant Earth
21370825A · Oct 31
€2,444 EUR
$2,730 USD
View
20 more retailers have this diamond
Prices start from €354 EURSave up to €2,089 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 Round
€354 EUR