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Round|Lab Grown|IGI

1.09ct E FL Round Lab Grown Diamond

ID • E/FL • IGI LG836614236

Shape and cutting style on the report: Round brilliant

Certificate IGI LG836614236

Diamond specifications and retailer prices

From $234 USD
As of October 29, 2026
Save $1,710 USD (88%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $1,944 USD at Helzberg Diamonds · As of October 29, 2026
View at Helzberg Diamonds

About this 1.09ct lab-grown round diamond

This 1.09ct 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 LG836614236 or 836614236. Listed at 21 retailers as of October 29, 2026, with prices from $234 to $1,944, a $1,710 spread on the same certified stone. Helzberg Diamonds lists it at $1,944. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.09
Carat
E
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.3°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836614236
Dimensions6.64 × 6.70 × 3.98 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
6.64 mm6.70 mm1.09 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836614236
Side View
Table 58.0%Crown 33.3°Girdle: MediumPavilion 40.4°Culet: NoneDepth 59.6%

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: $1,944 USD|Low: $234 USD|High: $1,944 USD|Avg: $740 USD
Helzberg Diamonds
Retailer 2
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Retailer 21
October 30, 2026
Retailer 5$234 USD
Retailer 7$262 USD
Retailer 20$272 USD
Retailer 11$291 USD
Retailer 18$291 USD
Retailer 13$470 USD
Retailer 16$487 USD
Retailer 3$491 USD
Retailer 17$499 USD
Retailer 10$525 USD
Retailer 6$546 USD
Retailer 15$547 USD
Retailer 9$785 USD
Retailer 12$934 USD
Retailer 4$937 USD
Retailer 8$986 USD
Retailer 21$1,014 USD
Retailer 19$1,075 USD
Retailer 14$1,184 USD
Retailer 2$1,350 USD
Helzberg Diamonds$1,944 USD

22 data points across 21 retailers

21 retailers$234 USD to $1,944 USD

A
Cheapest Retailer
-
$234 USD
A
Retailer 2
-
$262 USD
View
Final sale: no returns
A
Retailer 3
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$272 USD
View
A
Retailer 4
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$291 USD
View
A
Retailer 5
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$291 USD
View
A
Retailer 6
-
$470 USD
£370 GBP
View
A
Retailer 7
-
$487 USD
€464 EUR
View
A
Retailer 8
-
$491 USD
View
A
Retailer 9
-
$499 USD
ZAR 8,063 ZAR
View
A
Retailer 10
-
$525 USD
View
A
Retailer 11
-
$546 USD
View
A
Retailer 12
-
$547 USD
£431 GBP
View
B+
Retailer 13
-
$785 USD
SGD 1,061 SGD
View
B+
Retailer 14
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$934 USD
View
B
Retailer 15
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$937 USD
View
B+
Retailer 16
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$986 USD
View
B+
Retailer 17
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$1,014 USD
View
B+
Retailer 18
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$1,075 USD
View
Retailer 19
-
$1,184 USD
£932 GBP
View
Price last confirmed 9 days ago
B
Retailer 20
-
$1,350 USD
View
Most Expensive
B
Helzberg Diamonds
ZXZOJMMHKIJM · Oct 29
$1,944 USD
View
20 more retailers have this diamond
Prices start from $234 USDSave up to $1,710 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
1.09ct Round
$234 USD