Round|Lab Grown|IGI

1.22ct E FL Round Lab Grown Diamond

ID • E/FL • IGI LG816611143

Shape and cutting style on the report: Round brilliant

Certificate IGI LG816611143

Diamond specifications and retailer prices

From $297 USD
As of October 28, 2026
Save $1,443 USD (83%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $1,740 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 E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG816611143 or 816611143. Listed at 23 retailers as of October 28, 2026, with prices from $297 to $1,740, a $1,443 spread on the same certified stone. Brilliant Earth lists it at $1,740. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.22
Carat
E
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.3°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816611143
Dimensions6.98 × 6.92 × 4.21 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.98 mm6.92 mm1.22 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816611143
Side View
Table 56.0%Crown 33.3°Girdle: MediumPavilion 40.8°Culet: NoneDepth 60.5%

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 28
Current: $1,740 USD|Low: $265 USD|High: $1,740 USD|Avg: $703 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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
October 29, 2026
Retailer 10$265 USD
Retailer 6$297 USD
Retailer 8$308 USD
Retailer 12$325 USD
Retailer 11$329 USD
Retailer 20$462 USD
Retailer 15$465 USD
Retailer 13$544 USD
Retailer 14$565 USD
Retailer 2$626 USD
Retailer 3$655 USD
Retailer 19$671 USD
Retailer 4$728 USD
Retailer 17$1,010 USD
Retailer 9$1,057 USD
Retailer 5$1,108 USD
Retailer 16$1,320 USD
Retailer 7$1,402 USD
Retailer 18$1,520 USD
Brilliant Earth$1,740 USD

37 data points across 20 retailers

23 retailers$297 USD to $1,740 USD

A
Retailer 1
-
$265 USD
Price last confirmed 37 days ago
A
Retailer 2
-
$265 USD
View
Price last confirmed 19 days ago
A
Retailer 3
-
$297 USD
View
Final sale: no returns
A
Retailer 4
-
$308 USD
View
Price last confirmed 37 days ago
A
Retailer 5
-
$325 USD
View
Price last confirmed 35 days ago
A
Retailer 6
-
$329 USD
View
Price last confirmed 17 days ago
A
Retailer 7
-
$329 USD
View
Price last confirmed 27 days ago
A
Retailer 8
-
$462 USD
View
A
Retailer 9
-
$465 USD
View
A
Retailer 10
-
$544 USD
€518 EUR
View
A
Retailer 11
-
$565 USD
ZAR 9,129 ZAR
View
A
Retailer 12
-
$626 USD
£493 GBP
View
B+
Retailer 13
-
$655 USD
View
B+
Retailer 14
-
$671 USD
View
B+
Retailer 15
-
$728 USD
View
B+
Retailer 16
-
$1,010 USD
View
B+
Retailer 17
-
$1,057 USD
View
Price last confirmed 32 days ago
B+
Retailer 18
-
$1,057 USD
View
Price last confirmed 25 days ago
B+
Retailer 19
-
$1,108 USD
View
B+
Retailer 20
-
$1,320 USD
£1,039 GBP
View
B
Retailer 21
-
$1,402 USD
View
B
Retailer 22
-
$1,520 USD
View
Price last confirmed 11 days ago
Most Expensive
B
Brilliant Earth
21018391A · Oct 29
$1,740 USD
View
22 more retailers have this diamond
Prices start from $297 USDSave up to $1,443 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
$297 USD