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Round|Lab Grown|IGI

1.00ct E FL Round Lab Grown Diamond

ID • E/FL • IGI LG825639558

Shape and cutting style on the report: Round brilliant

Certificate IGI LG825639558

Diamond specifications and retailer prices

From $233 USD
As of October 29, 2026
Save $1,177 USD (83%) vs most expensive(unlock to see where)
18 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 LG825639558 or 825639558. Listed at 18 retailers as of October 29, 2026, with prices from $233 to $1,410, a $1,177 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 angle35.1°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825639558
Dimensions6.38 × 6.43 × 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
6.38 mm6.43 mm1.00 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825639558
Side View
Table 56.0%Crown 35.1°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 62.2%

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: $468 USD|Low: $233 USD|High: $1,203 USD|Avg: $538 USD|-3.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
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Retailer 16
October 30, 2026
Retailer 10$233 USD
Retailer 14$260 USD
Retailer 7$272 USD
Retailer 4$289 USD
Retailer 5$291 USD
Retailer 6$320 USD
Retailer 15$390 USD
Retailer 1$468 USD
Retailer 11$484 USD
Retailer 2$497 USD
Retailer 13$521 USD
Retailer 9$545 USD
Retailer 16$780 USD
Retailer 3$930 USD
Retailer 8$939 USD
Retailer 12$1,166 USD

24 data points across 16 retailers

18 retailers$233 USD to $1,410 USD

A
Cheapest Retailer
-
$233 USD
A
Retailer 2
-
$260 USD
View
Final sale: no returns
A
Retailer 3
-
$272 USD
View
A
Retailer 4
-
$289 USD
View
A
Retailer 5
-
$291 USD
View
A
Retailer 6
-
$320 USD
HK$2,500 HKD
View
A
Retailer 7
-
$390 USD
View
A
Retailer 8
-
$468 USD
£369 GBP
View
A
Retailer 9
-
$484 USD
€461 EUR
View
A
Retailer 10
-
$497 USD
ZAR 8,030 ZAR
View
A
Retailer 11
-
$521 USD
View
B+
Retailer 12
-
$545 USD
£429 GBP
View
B+
Retailer 13
-
$780 USD
SGD 1,054 SGD
View
B+
Retailer 14
-
$930 USD
View
B
Retailer 15
-
$939 USD
View
Retailer 16
-
$1,005 USD
View
Price last confirmed 26 days ago
B
Retailer 17
-
$1,166 USD
£918 GBP
View
Most Expensive
B
Brilliant Earth
21294682A · Oct 29
$1,410 USD
View
17 more retailers have this diamond
Prices start from $233 USDSave up to $1,177 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
$233 USD