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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 $396 USD
As of October 29, 2026
Save $2,334 USD (85%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $2,730 USD at Brilliant Earth · As of October 29, 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 $396 to $2,730, a $2,334 spread on the same certified stone. Brilliant Earth lists it at $2,730. 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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $2,730 USD|Low: $380 USD|High: $2,730 USD|Avg: $1,011 USD
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 30, 2026
Retailer 13$396 USD
Retailer 4$444 USD
Retailer 6$444 USD
Retailer 14$491 USD
Retailer 9$640 USD
Retailer 7$775 USD
Retailer 10$782 USD
Retailer 2$804 USD
Retailer 8$845 USD
Retailer 12$1,181 USD
Retailer 3$1,564 USD
Retailer 5$1,580 USD
Retailer 11$1,923 USD
Brilliant Earth$2,730 USD

41 data points across 14 retailers

21 retailers$396 USD to $2,730 USD

A
Cheapest Retailer
-
$396 USD
A
Retailer 2
-
$444 USD
View
A
Retailer 3
-
$444 USD
View
Final sale: no returns
A
Retailer 4
-
$491 USD
View
A
Retailer 5
-
$491 USD
View
A
Retailer 6
-
$538 USD
HK$4,200 HKD
View
B+
Retailer 7
-
$640 USD
View
B+
Retailer 8
-
$660 USD
View
B+
Retailer 9
-
$771 USD
View
B+
Retailer 10
-
$775 USD
€738 EUR
View
B+
Retailer 11
-
$782 USD
£616 GBP
View
B+
Retailer 12
-
$804 USD
£633 GBP
View
B+
Retailer 13
-
$845 USD
ZAR 13,643 ZAR
View
B
Retailer 14
-
$1,181 USD
View
B
Retailer 15
-
$1,564 USD
SGD 2,114 SGD
View
B
Retailer 16
-
$1,580 USD
View
B
Retailer 17
-
$1,616 USD
View
B
Retailer 18
-
$1,801 USD
View
B
Retailer 19
-
$1,820 USD
View
B
Retailer 20
-
$1,923 USD
£1,514 GBP
View
Most Expensive
B
Brilliant Earth
21370825A · Oct 29
$2,730 USD
View
20 more retailers have this diamond
Prices start from $396 USDSave up to $2,334 USD

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
$396 USD