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Round|Lab Grown|IGI

1.00ct E FL Round Lab Grown Diamond

ID • E/FL • IGI LG816610535

Shape and cutting style on the report: Round brilliant

Certificate IGI LG816610535

Diamond specifications and retailer prices

From $241 USD
As of October 30, 2026
Save $1,169 USD (83%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $1,410 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 FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG816610535 or 816610535. Listed at 21 retailers as of October 29, 2026, with prices from $241 to $1,410, a $1,169 spread on the same certified stone. Brilliant Earth lists it at $1,410. 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
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816610535
Dimensions6.46 × 6.41 × 3.94 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
6.46 mm6.41 mm1.00 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816610535
Side View
Table 58.0%Crown 34.5°Girdle: MediumPavilion 40.8°Culet: NoneDepth 61.3%

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 30
Current: $1,410 USD|Low: $215 USD|High: $1,410 USD|Avg: $567 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
October 30, 2026
Retailer 8$224 USD
Retailer 19$241 USD
Retailer 9$278 USD
Retailer 10$278 USD
Retailer 14$378 USD
Retailer 2$433 USD
Retailer 13$452 USD
Retailer 17$459 USD
Retailer 18$468 USD
Retailer 12$494 USD
Retailer 3$575 USD
Retailer 4$576 USD
Retailer 15$862 USD
Retailer 11$894 USD
Retailer 5$912 USD
Retailer 7$990 USD
Retailer 6$1,115 USD
Retailer 16$1,243 USD
Brilliant Earth$1,410 USD

37 data points across 19 retailers

21 retailers$241 USD to $1,410 USD

Retailer 1
-
$224 USD
Price last confirmed 19 days ago
A
Retailer 2
-
$241 USD
View
Final sale: no returns
Retailer 3
-
$260 USD
View
Price last confirmed 21 days ago
Retailer 4
-
$278 USD
View
Price last confirmed 17 days ago
Retailer 5
-
$278 USD
View
Price last confirmed 27 days ago
A
Retailer 6
-
$378 USD
View
A
Retailer 7
-
$433 USD
£341 GBP
View
A
Retailer 8
-
$452 USD
€430 EUR
View
A
Retailer 9
-
$459 USD
ZAR 7,417 ZAR
View
A
Retailer 10
-
$468 USD
View
A
Retailer 11
-
$494 USD
£389 GBP
View
B+
Retailer 12
-
$575 USD
View
B+
Retailer 13
-
$576 USD
View
B+
Retailer 14
-
$862 USD
View
Retailer 15
-
$894 USD
View
Price last confirmed 30 days ago
Retailer 16
-
$894 USD
View
Price last confirmed 33 days ago
B
Retailer 17
-
$912 USD
View
B+
Retailer 18
-
$990 USD
View
B+
Retailer 19
-
$1,115 USD
£878 GBP
View
B
Retailer 20
-
$1,243 USD
View
Most Expensive
B
Brilliant Earth
21018591A · Oct 29
$1,410 USD
View
20 more retailers have this diamond
Prices start from $241 USDSave up to $1,169 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
$241 USD