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Round|Lab Grown|IGI

1.22ct E FL Round Lab Grown Diamond

ID • E/FL • IGI LG836617729

Shape and cutting style on the report: Round brilliant

Certificate IGI LG836617729

Diamond specifications and retailer prices

From $259 USD
As of October 29, 2026
Save $1,885 USD (88%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $2,144 USD at Helzberg Diamonds · As of October 29, 2026
View at Helzberg Diamonds

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 LG836617729 or 836617729. Listed at 22 retailers as of October 29, 2026, with prices from $259 to $2,144, a $1,885 spread on the same certified stone. Helzberg Diamonds lists it at $2,144. 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 angle35.8°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836617729
Dimensions6.80 × 6.84 × 4.22 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
6.80 mm6.84 mm1.22 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836617729
Side View
Table 58.0%Crown 35.8°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 61.8%

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: $2,144 USD|Low: $255 USD|High: $2,144 USD|Avg: $818 USD
Helzberg Diamonds
Retailer 2
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Retailer 22
October 29, 2026
Retailer 9$259 USD
Retailer 10$290 USD
Retailer 4$300 USD
Retailer 5$321 USD
Retailer 12$321 USD
Retailer 18$480 USD
Retailer 16$521 USD
Retailer 13$530 USD
Retailer 6$535 USD
Retailer 17$552 USD
Retailer 7$572 USD
Retailer 2$610 USD
Retailer 8$668 USD
Retailer 3$986 USD
Retailer 14$1,032 USD
Retailer 22$1,035 USD
Retailer 11$1,083 USD
Retailer 21$1,125 USD
Retailer 19$1,288 USD
Retailer 20$1,520 USD
Retailer 15$1,740 USD
Helzberg Diamonds$2,144 USD

24 data points across 22 retailers

22 retailers$259 USD to $2,144 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
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$321 USD
View
A
Retailer 5
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$321 USD
View
A
Retailer 6
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$480 USD
View
A
Retailer 7
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$521 USD
£410 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
-
$572 USD
View
A
Retailer 12
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$610 USD
£480 GBP
View
B+
Retailer 13
-
$668 USD
View
B+
Retailer 14
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$986 USD
View
B+
Retailer 15
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$1,032 USD
View
B+
Retailer 16
-
$1,035 USD
SGD 1,399 SGD
View
B+
Retailer 17
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$1,083 USD
View
B+
Retailer 18
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$1,125 USD
View
B+
Retailer 19
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$1,288 USD
£1,014 GBP
View
B
Retailer 20
-
$1,520 USD
View
Price last confirmed 11 days ago
B
Retailer 21
-
$1,740 USD
View
Most Expensive
B
Helzberg Diamonds
ZXZOJMMHNNIP · Oct 29
$2,144 USD
View
21 more retailers have this diamond
Prices start from $259 USDSave up to $1,885 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