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Round|Lab Grown|IGI

1.03ct E FL Round Lab Grown Diamond

ID • E/FL • IGI LG811631682

Shape and cutting style on the report: Round brilliant

Certificate IGI LG811631682

Diamond specifications and retailer prices

From $261 USD
As of October 29, 2026
Save $1,189 USD (82%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,450 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.03ct lab-grown round diamond

This 1.03ct 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 LG811631682 or 811631682. Listed at 18 retailers as of October 29, 2026, with prices from $261 to $1,450, a $1,189 spread on the same certified stone. Brilliant Earth lists it at $1,450. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.03
Carat
E
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811631682
Dimensions6.59 × 6.50 × 3.97 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
6.59 mm6.50 mm1.03 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811631682
Side View
Table 58.0%Crown 34.9°Girdle: MediumPavilion 40.6°Culet: NoneDepth 60.8%

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 29
Current: $1,450 USD|Low: $251 USD|High: $2,210 USD|Avg: $618 USD|-34.1%
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
October 29, 2026
Retailer 14$261 USD
Retailer 5$291 USD
Retailer 6$303 USD
Retailer 7$324 USD
Retailer 15$324 USD
Retailer 11$435 USD
Retailer 13$435 USD
Retailer 10$557 USD
Retailer 8$581 USD
Retailer 2$616 USD
Retailer 3$642 USD
Retailer 12$995 USD
Retailer 4$1,041 USD
Retailer 9$1,306 USD
Brilliant Earth$1,450 USD

42 data points across 15 retailers

18 retailers$261 USD to $1,450 USD

A
Cheapest Retailer
-
$261 USD
A
Retailer 2
-
$291 USD
View
Final sale: no returns
A
Retailer 3
-
$303 USD
View
A
Retailer 4
-
$324 USD
View
A
Retailer 5
-
$324 USD
View
A
Retailer 6
-
$435 USD
View
A
Retailer 7
-
$435 USD
View
A
Retailer 8
-
$508 USD
View
A
Retailer 9
-
$557 USD
ZAR 8,992 ZAR
View
B+
Retailer 10
-
$581 USD
€553 EUR
View
B+
Retailer 11
-
$616 USD
£485 GBP
View
B+
Retailer 12
-
$642 USD
View
B
Retailer 13
-
$995 USD
View
B
Retailer 14
-
$1,041 USD
View
B
Retailer 15
-
$1,093 USD
View
B
Retailer 16
-
$1,306 USD
£1,028 GBP
View
B
Retailer 17
-
$1,389 USD
View
Most Expensive
B
Brilliant Earth
22254829A · Oct 29
$1,450 USD
View
17 more retailers have this diamond
Prices start from $261 USDSave up to $1,189 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
1.03ct Round
$261 USD