Round|Lab Grown|IGI

1.00ct E FL Round Lab Grown Diamond

ID • E/FL • IGI LG840620882

Shape and cutting style on the report: Round brilliant

Certificate IGI LG840620882

Diamond specifications and retailer prices

From $266 USD
As of October 30, 2026
Save $1,144 USD (81%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,410 USD at Brilliant Earth · As of October 28, 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 LG840620882 or 840620882. Listed at 13 retailers as of October 28, 2026, with prices from $266 to $1,410, a $1,144 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 angle33.8°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840620882
Dimensions6.46 × 6.48 × 3.93 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
6.46 mm6.48 mm1.00 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840620882
Side View
Table 56.0%Crown 33.8°Girdle: MediumPavilion 40.5°Culet: NoneDepth 60.7%

Caratlytics Score

How it works →
A
Excellent
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 30
Current: $478 USD|Low: $266 USD|High: $1,315 USD|Avg: $627 USD|-0.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 30, 2026
Retailer 8$266 USD
Retailer 2$295 USD
Retailer 7$415 USD
Retailer 11$477 USD
Retailer 1$478 USD
Retailer 6$492 USD
Retailer 10$507 USD
Retailer 5$557 USD
Retailer 3$644 USD
Retailer 12$949 USD
Retailer 4$1,001 USD
Retailer 9$1,315 USD

5 data points across 12 retailers

13 retailers$266 USD to $1,410 USD

A
Cheapest Retailer
-
$266 USD
Final sale: no returns
A
Retailer 2
-
$295 USD
View
A
Retailer 3
-
$415 USD
View
A
Retailer 4
-
$477 USD
View
A
Retailer 5
-
$478 USD
£376 GBP
View
A
Retailer 6
-
$492 USD
€469 EUR
View
A
Retailer 7
-
$507 USD
ZAR 8,194 ZAR
View
B+
Retailer 8
-
$557 USD
£439 GBP
View
B+
Retailer 9
-
$644 USD
View
B
Retailer 10
-
$949 USD
View
B
Retailer 11
-
$1,001 USD
View
B
Retailer 12
-
$1,315 USD
View
Most Expensive
B
Brilliant Earth
22319772A · Oct 28
$1,410 USD
View
12 more retailers have this diamond
Prices start from $266 USDSave up to $1,144 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
$266 USD