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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 €177 EUR
$198 USD
As of October 29, 2026
Save €885 EUR (83%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: €1,182 EUR 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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: €1,182 EUR|Low: €177 EUR|High: €1,182 EUR|Avg: €489 EUR
Brilliant Earth
Retailer 2
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Retailer 22
October 31, 2026
Retailer 7€177 EUR
Retailer 2€198 EUR
Retailer 3€206 EUR
Retailer 5€219 EUR
Retailer 22€219 EUR
Retailer 9€297 EUR
Retailer 17€356 EUR
Retailer 18€369 EUR
Retailer 20€377 EUR
Retailer 13€401 EUR
Retailer 14€432 EUR
Retailer 8€434 EUR
Retailer 16€482 EUR
Retailer 4€530 EUR
Retailer 21€537 EUR
Retailer 12€598 EUR
Retailer 19€698 EUR
Retailer 6€706 EUR
Retailer 15€754 EUR
Retailer 11€1,032 EUR
Retailer 10€1,062 EUR
Brilliant Earth€1,182 EUR

26 data points across 22 retailers

24 retailers€177 EUR to €1,062 EUR

A
Cheapest Retailer
-
€177 EUR
$198 USD
A
Retailer 2
-
€198 EUR
$221 USD
View
Final sale: no returns
A
Retailer 3
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€206 EUR
$230 USD
View
A
Retailer 4
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€219 EUR
$245 USD
View
A
Retailer 5
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€219 EUR
$245 USD
View
A
Retailer 6
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€252 EUR
HK$2,200 HKD
View
A
Retailer 7
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€297 EUR
$332 USD
View
A
Retailer 8
-
€356 EUR
£313 GBP
View
A
Retailer 9
-
€369 EUR
View
A
Retailer 10
-
€377 EUR
ZAR 6,808 ZAR
View
A
Retailer 11
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€401 EUR
£353 GBP
View
A
Retailer 12
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€432 EUR
$483 USD
View
A
Retailer 13
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€434 EUR
$485 USD
View
B+
Retailer 14
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€482 EUR
A$828 AUD
View
B+
Retailer 15
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€530 EUR
$592 USD
View
B+
Retailer 16
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€537 EUR
A$923 AUD
View
B+
Retailer 17
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€563 EUR
$629 USD
View
B+
Retailer 18
-
€598 EUR
SGD 903 SGD
View
B+
Retailer 19
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€698 EUR
A$1,199 AUD
View
B+
Retailer 20
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€706 EUR
$789 USD
View
B+
Retailer 21
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€754 EUR
$842 USD
View
B
Retailer 22
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€1,032 EUR
£908 GBP
View
B
Retailer 23
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€1,062 EUR
$1,187 USD
View
Most Expensive
Brilliant Earth
15534529A · Oct 21
€1,182 EUR
$1,320 USD
View
Price last confirmed 10 days ago
23 more retailers have this diamond
Prices start from €177 EURSave up to €885 EUR

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
€177 EUR