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Round|Lab Grown|IGI

1.03ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG728577517

Shape and cutting style on the report: Round brilliant

Certificate IGI LG728577517

Diamond specifications and retailer prices

From €168 EUR
$187 USD
As of October 29, 2026
Save €1,018 EUR (86%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: €1,186 EUR at Brilliant Earth · As of October 28, 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 LG728577517 or 728577517. Listed at 22 retailers as of October 28, 2026, with prices from €168 to €1,186, a €1,018 spread on the same certified stone. Brilliant Earth lists it at €1,186. 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
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG728577517
Dimensions6.52 × 6.57 × 3.95 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
6.52 mm6.57 mm1.03 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG728577517
Side View
Table 58.0%Crown 33.5°Girdle: MediumPavilion 40.9°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: €1,186 EUR|Low: €163 EUR|High: €1,186 EUR|Avg: €484 EUR
Brilliant Earth
Retailer 2
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Retailer 22
October 29, 2026
Retailer 4€168 EUR
Retailer 8€188 EUR
Retailer 21€195 EUR
Retailer 9€208 EUR
Retailer 10€208 EUR
Retailer 12€283 EUR
Retailer 15€345 EUR
Retailer 16€354 EUR
Retailer 17€358 EUR
Retailer 2€377 EUR
Retailer 3€432 EUR
Retailer 22€466 EUR
Retailer 6€491 EUR
Retailer 19€509 EUR
Retailer 20€531 EUR
Retailer 14€570 EUR
Retailer 5€671 EUR
Retailer 18€694 EUR
Retailer 7€720 EUR
Retailer 13€981 EUR
Retailer 11€1,036 EUR
Brilliant Earth€1,186 EUR

39 data points across 22 retailers

22 retailers€168 EUR to €1,186 EUR

A
Cheapest Retailer
-
€168 EUR
$187 USD
A
Retailer 2
-
€188 EUR
$209 USD
View
Final sale: no returns
A
Retailer 3
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€195 EUR
$217 USD
View
A
Retailer 4
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€208 EUR
$232 USD
View
A
Retailer 5
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€208 EUR
$232 USD
View
A
Retailer 6
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€283 EUR
$315 USD
View
A
Retailer 7
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€345 EUR
£302 GBP
View
Price last confirmed 14 days ago
A
Retailer 8
-
€354 EUR
View
A
Retailer 9
-
€358 EUR
ZAR 6,447 ZAR
View
A
Retailer 10
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€377 EUR
£330 GBP
View
A
Retailer 11
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€432 EUR
$481 USD
View
A
Retailer 12
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€466 EUR
A$798 AUD
View
A
Retailer 13
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€491 EUR
$547 USD
View
A
Retailer 14
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€509 EUR
A$872 AUD
View
B+
Retailer 15
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€531 EUR
$591 USD
View
B+
Retailer 16
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€570 EUR
SGD 858 SGD
View
B+
Retailer 17
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€671 EUR
$747 USD
View
B+
Retailer 18
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€694 EUR
A$1,188 AUD
View
B+
Retailer 19
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€720 EUR
$801 USD
View
B+
Retailer 20
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€981 EUR
£860 GBP
View
B
Retailer 21
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€1,036 EUR
$1,153 USD
View
Most Expensive
B
Brilliant Earth
18208522A · Oct 28
€1,186 EUR
$1,320 USD
View
21 more retailers have this diamond
Prices start from €168 EURSave up to €1,018 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
€168 EUR