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Round|Lab Grown|IGI

1.00ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG826658463

Shape and cutting style on the report: Round brilliant

Certificate IGI LG826658463

Diamond specifications and retailer prices

From $183 USD
As of October 29, 2026
Save $1,097 USD (86%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $1,280 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1ct lab-grown round diamond

This 1ct lab-grown round sits in the classic one-carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG826658463 or 826658463. Listed at 22 retailers as of October 29, 2026, with prices from $183 to $1,280, a $1,097 spread on the same certified stone. Brilliant Earth lists it at $1,280. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.8°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG826658463
Dimensions6.49 × 6.52 × 3.88 mm
L/W Ratio1.00
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
6.49 mm6.52 mm1.00 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG826658463
Side View
Table 58.0%Crown 32.8°Girdle: MediumPavilion 40.5°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: $1,280 USD|Low: $177 USD|High: $1,320 USD|Avg: $592 USD|-3.0%
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
October 30, 2026
Retailer 6$183 USD
Retailer 8$204 USD
Retailer 3$212 USD
Retailer 10$305 USD
Retailer 2$367 USD
Retailer 14$385 USD
Retailer 15$389 USD
Retailer 12$408 USD
Retailer 5$457 USD
Retailer 4$506 USD
Retailer 17$553 USD
Retailer 18$574 USD
Retailer 11$620 USD
Retailer 16$751 USD
Retailer 7$783 USD
Retailer 19$1,005 USD
Retailer 13$1,066 USD
Retailer 9$1,139 USD
Brilliant Earth$1,280 USD

40 data points across 19 retailers

22 retailers$183 USD to $1,280 USD

A
Cheapest Retailer
-
$183 USD
A
Retailer 2
-
$204 USD
View
Final sale: no returns
A
Retailer 3
-
$212 USD
View
A
Retailer 4
-
$227 USD
View
A
Retailer 5
-
$227 USD
View
A
Retailer 6
-
$305 USD
View
A
Retailer 7
-
$367 USD
£289 GBP
View
A
Retailer 8
-
$385 USD
€367 EUR
View
A
Retailer 9
-
$389 USD
ZAR 6,287 ZAR
View
A
Retailer 10
-
$408 USD
£321 GBP
View
A
Retailer 11
-
$457 USD
View
A
Retailer 12
-
$506 USD
A$778 AUD
View
B+
Retailer 13
-
$553 USD
A$851 AUD
View
B+
Retailer 14
-
$574 USD
View
B+
Retailer 15
-
$620 USD
SGD 838 SGD
View
B+
Retailer 16
-
$729 USD
View
B+
Retailer 17
-
$751 USD
A$1,155 AUD
View
B+
Retailer 18
-
$783 USD
View
Retailer 19
-
$1,005 USD
View
Price last confirmed 9 days ago
B+
Retailer 20
-
$1,066 USD
£839 GBP
View
B
Retailer 21
-
$1,139 USD
View
Most Expensive
B
Brilliant Earth
21496517A · Oct 29
$1,280 USD
View
21 more retailers have this diamond
Prices start from $183 USDSave up to $1,097 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
1.00ct Round
$183 USD