Round|Lab Grown|IGI

1.03ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG726534745

Shape and cutting style on the report: Round brilliant

Certificate IGI LG726534745

Diamond specifications and retailer prices

From $221 USD
As of October 28, 2026
Save $966 USD (81%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $1,320 USD at Brilliant Earth · As of October 21, 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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG726534745 or 726534745. Listed at 24 retailers as of October 28, 2026, with a 437% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG726534745
Dimensions6.47 × 6.51 × 3.98 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
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
6.47 mm6.51 mm1.03 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG726534745
Side View
Table 57.0%Crown 34.1°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 28
Current: $1,320 USD|Low: $221 USD|High: $1,320 USD|Avg: $572 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
October 29, 2026
Retailer 15$221 USD
Retailer 17$230 USD
Retailer 4$332 USD
Retailer 10$413 USD
Retailer 11$421 USD
Retailer 2$447 USD
Retailer 7$483 USD
Retailer 3$485 USD
Retailer 9$538 USD
Retailer 13$600 USD
Retailer 16$629 USD
Retailer 6$668 USD
Retailer 12$779 USD
Retailer 8$842 USD
Retailer 14$1,149 USD
Retailer 5$1,187 USD
Brilliant Earth$1,320 USD

42 data points across 17 retailers

24 retailers$221 USD to $1,187 USD

A
Retailer 1
-
$198 USD
Price last confirmed 11 days ago
A
Retailer 2
-
$221 USD
View
Final sale: no returns
A
Retailer 3
-
$230 USD
View
Price last confirmed 9 days ago
A
Retailer 4
-
$245 USD
View
Price last confirmed 12 days ago
A
Retailer 5
-
$245 USD
View
Price last confirmed 10 days ago
A
Retailer 6
-
$253 USD
View
Price last confirmed 44 days ago
A
Retailer 7
-
$282 USD
HK$2,200 HKD
View
A
Retailer 8
-
$332 USD
View
A
Retailer 9
-
$413 USD
€393 EUR
View
A
Retailer 10
-
$421 USD
ZAR 6,808 ZAR
View
A
Retailer 11
-
$447 USD
£352 GBP
View
A
Retailer 12
-
$483 USD
View
A
Retailer 13
-
$485 USD
View
B+
Retailer 14
-
$538 USD
A$828 AUD
View
B+
Retailer 15
-
$592 USD
View
Price last confirmed 7 days ago
B+
Retailer 16
-
$600 USD
A$923 AUD
View
B+
Retailer 17
-
$629 USD
View
B+
Retailer 18
-
$668 USD
SGD 903 SGD
View
B+
Retailer 19
-
$779 USD
A$1,199 AUD
View
B+
Retailer 20
-
$789 USD
View
Price last confirmed 11 days ago
B+
Retailer 21
-
$842 USD
View
B
Retailer 22
-
$1,149 USD
£905 GBP
View
B
Retailer 23
-
$1,187 USD
View
Most Expensive
B
Brilliant Earth
15748744A · Oct 21
$1,320 USD
View
Price last confirmed 7 days ago
23 more retailers have this diamond
Prices start from $221 USDSave up to $966 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
$221 USD