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Round|Lab Grown|IGI

1.03ct E FL Round Lab Grown Diamond

ID • E/FL • IGI LG818662863

Shape and cutting style on the report: Round brilliant

Certificate IGI LG818662863

Diamond specifications and retailer prices

From $258 USD
As of October 28, 2026
Save $1,192 USD (82%) vs most expensive(unlock to see where)
21 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 LG818662863 or 818662863. Listed at 21 retailers as of October 28, 2026, with prices from $258 to $1,450, a $1,192 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 angle34.7°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818662863
Dimensions6.52 × 6.47 × 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
6.52 mm6.47 mm1.03 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818662863
Side View
Table 58.0%Crown 34.7°Girdle: MED-STKPavilion 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 28
Current: $1,450 USD|Low: $194 USD|High: $1,450 USD|Avg: $711 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
October 29, 2026
Retailer 13$258 USD
Retailer 5$303 USD
Retailer 7$402 USD
Retailer 2$478 USD
Retailer 11$490 USD
Retailer 12$496 USD
Retailer 10$533 USD
Retailer 3$620 USD
Retailer 8$920 USD
Retailer 4$970 USD
Retailer 6$1,149 USD
Retailer 9$1,290 USD
Brilliant Earth$1,450 USD

32 data points across 13 retailers

21 retailers$258 USD to $1,450 USD

A
Retailer 1
-
$243 USD
Price last confirmed 19 days ago
A
Retailer 2
-
$244 USD
View
Price last confirmed 37 days ago
A
Retailer 3
-
$258 USD
View
Final sale: no returns
A
Retailer 4
-
$281 USD
View
Price last confirmed 20 days ago
A
Retailer 5
-
$283 USD
View
Price last confirmed 39 days ago
A
Retailer 6
-
$299 USD
View
Price last confirmed 34 days ago
A
Retailer 7
-
$301 USD
View
Price last confirmed 17 days ago
A
Retailer 8
-
$301 USD
View
Price last confirmed 27 days ago
A
Retailer 9
-
$402 USD
View
A
Retailer 10
-
$478 USD
€455 EUR
View
A
Retailer 11
-
$490 USD
ZAR 7,919 ZAR
View
A
Retailer 12
-
$496 USD
View
A
Retailer 13
-
$533 USD
£420 GBP
View
B+
Retailer 14
-
$620 USD
View
B
Retailer 15
-
$920 USD
View
B
Retailer 16
-
$967 USD
View
Price last confirmed 29 days ago
B+
Retailer 17
-
$970 USD
View
B
Retailer 18
-
$974 USD
View
Price last confirmed 32 days ago
B+
Retailer 19
-
$1,149 USD
£905 GBP
View
B
Retailer 20
-
$1,290 USD
View
Most Expensive
B
Brilliant Earth
21242517A · Oct 29
$1,450 USD
View
20 more retailers have this diamond
Prices start from $258 USDSave up to $1,192 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
$258 USD