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Round|Lab Grown|IGI

1.22ct E FL Round Lab Grown Diamond

ID • E/FL • IGI LG816615715

Shape and cutting style on the report: Round brilliant

Certificate IGI LG816615715

Diamond specifications and retailer prices

From $259 USD
As of October 29, 2026
Save $1,481 USD (85%) vs most expensive(unlock to see where)
20 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 LG816615715 or 816615715. Listed at 20 retailers as of October 29, 2026, with prices from $259 to $1,740, a $1,481 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 angle33.1°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816615715
Dimensions6.94 × 6.89 × 4.19 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
6.94 mm6.89 mm1.22 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816615715
Side View
Table 59.0%Crown 33.1°Girdle: MediumPavilion 41.1°Culet: NoneDepth 60.6%

Caratlytics Score

How it works →
A+
Exceptional
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: $1,740 USD|Low: $290 USD|High: $1,740 USD|Avg: $800 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
October 30, 2026
Retailer 7$290 USD
Retailer 4$300 USD
Retailer 13$480 USD
Retailer 2$520 USD
Retailer 11$530 USD
Retailer 5$535 USD
Retailer 12$552 USD
Retailer 9$612 USD
Retailer 6$668 USD
Retailer 3$986 USD
Retailer 16$1,035 USD
Retailer 8$1,083 USD
Retailer 15$1,125 USD
Retailer 10$1,293 USD
Retailer 14$1,520 USD
Brilliant Earth$1,740 USD

32 data points across 16 retailers

20 retailers$259 USD to $1,740 USD

A+
Cheapest Retailer
-
$259 USD
A
Retailer 2
-
$290 USD
View
Final sale: no returns
A
Retailer 3
-
$300 USD
View
A
Retailer 4
-
$321 USD
View
A
Retailer 5
-
$321 USD
View
A
Retailer 6
-
$480 USD
View
A
Retailer 7
-
$520 USD
£409 GBP
View
A
Retailer 8
-
$530 USD
€505 EUR
View
A
Retailer 9
-
$535 USD
View
A
Retailer 10
-
$552 USD
ZAR 8,910 ZAR
View
A
Retailer 11
-
$612 USD
£482 GBP
View
B+
Retailer 12
-
$668 USD
View
B+
Retailer 13
-
$986 USD
View
B+
Retailer 14
-
$1,032 USD
View
B+
Retailer 15
-
$1,035 USD
SGD 1,399 SGD
View
B+
Retailer 16
-
$1,083 USD
View
B+
Retailer 17
-
$1,125 USD
View
B+
Retailer 18
-
$1,293 USD
£1,018 GBP
View
Retailer 19
-
$1,520 USD
View
Price last confirmed 12 days ago
Most Expensive
B
Brilliant Earth
21421724A · Oct 29
$1,740 USD
View
19 more retailers have this diamond
Prices start from $259 USDSave up to $1,481 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
$259 USD