Round|Lab Grown|IGI

1.03ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG720539045

Shape and cutting style on the report: Round brilliant

Certificate IGI LG720539045

Diamond specifications and retailer prices

From $198 USD
As of October 29, 2026
Save $989 USD (83%) 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 LG720539045 or 720539045. Listed at 24 retailers as of October 29, 2026, with a 499% 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 angle33.2°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG720539045
Dimensions6.53 × 6.52 × 3.94 mm
L/W Ratio1.00
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
6.53 mm6.52 mm1.03 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG720539045
Side View
Table 58.0%Crown 33.2°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 60.4%

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: $1,320 USD|Low: $198 USD|High: $1,320 USD|Avg: $542 USD
Brilliant Earth
Retailer 2
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Retailer 11
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Retailer 22
October 30, 2026
Retailer 6$198 USD
Retailer 2$222 USD
Retailer 22$230 USD
Retailer 4$245 USD
Retailer 21$245 USD
Retailer 8$332 USD
Retailer 13$397 USD
Retailer 17$413 USD
Retailer 19$421 USD
Retailer 16$448 USD
Retailer 12$483 USD
Retailer 7$485 USD
Retailer 15$538 USD
Retailer 3$592 USD
Retailer 20$600 USD
Retailer 11$668 USD
Retailer 18$779 USD
Retailer 5$789 USD
Retailer 14$842 USD
Retailer 10$1,153 USD
Retailer 9$1,187 USD
Brilliant Earth$1,320 USD

26 data points across 22 retailers

24 retailers$198 USD to $1,187 USD

A
Cheapest Retailer
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$198 USD
A
Retailer 2
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$222 USD
View
Final sale: no returns
A
Retailer 3
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$230 USD
View
A
Retailer 4
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$245 USD
View
A
Retailer 5
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$245 USD
View
A
Retailer 6
-
$282 USD
HK$2,200 HKD
View
A
Retailer 7
-
$332 USD
View
A
Retailer 8
-
$397 USD
£313 GBP
View
A
Retailer 9
-
$413 USD
€393 EUR
View
A
Retailer 10
-
$421 USD
ZAR 6,808 ZAR
View
A
Retailer 11
-
$448 USD
£353 GBP
View
A
Retailer 12
-
$483 USD
View
A
Retailer 13
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$485 USD
View
B+
Retailer 14
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$538 USD
A$828 AUD
View
Retailer 15
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$592 USD
View
Price last confirmed 8 days ago
B+
Retailer 16
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$600 USD
A$923 AUD
View
B+
Retailer 17
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$629 USD
View
B+
Retailer 18
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$668 USD
SGD 903 SGD
View
B+
Retailer 19
-
$779 USD
A$1,199 AUD
View
B+
Retailer 20
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$789 USD
View
B+
Retailer 21
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$842 USD
View
B
Retailer 22
-
$1,153 USD
£908 GBP
View
B
Retailer 23
-
$1,187 USD
View
Most Expensive
Brilliant Earth
15534529A · Oct 21
$1,320 USD
View
Price last confirmed 9 days ago
23 more retailers have this diamond
Prices start from $198 USDSave up to $989 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
$198 USD