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Round|Lab Grown|IGI

1.05ct E IF Round Lab Grown Diamond

EX • E/IF • IGI LG725520111

Shape and cutting style on the report: Round brilliant

Certificate IGI LG725520111

Diamond specifications and retailer prices

From €171 EUR
$191 USD
As of October 29, 2026
Save €885 EUR (84%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: €1,056 EUR at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.05ct lab-grown round diamond

This 1.05ct 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 LG725520111 or 725520111. Listed at 23 retailers as of October 29, 2026, with prices from €171 to €1,056, a €885 spread on the same certified stone. Brilliant Earth lists it at €1,056. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.05
Carat
E
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.5°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG725520111
Dimensions6.59 × 6.56 × 3.97 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
6.59 mm6.56 mm1.05 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG725520111
Side View
Table 59.0%Crown 31.5°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 60.3%

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 29
Current: €1,056 EUR|Low: €166 EUR|High: €1,208 EUR|Avg: €526 EUR|-12.6%
Brilliant Earth
Retailer 2
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Retailer 22
Retailer 23
October 31, 2026
Retailer 5€171 EUR
Retailer 11€191 EUR
Retailer 3€198 EUR
Retailer 12€211 EUR
Retailer 14€211 EUR
Retailer 16€286 EUR
Retailer 7€343 EUR
Retailer 18€358 EUR
Retailer 19€363 EUR
Retailer 17€384 EUR
Retailer 4€446 EUR
Retailer 2€464 EUR
Retailer 9€493 EUR
Retailer 13€507 EUR
Retailer 20€516 EUR
Retailer 8€577 EUR
Retailer 6€679 EUR
Retailer 10€728 EUR
Retailer 22€832 EUR
Retailer 23€935 EUR
Retailer 21€990 EUR
Retailer 15€1,041 EUR
Brilliant Earth€1,056 EUR

39 data points across 23 retailers

23 retailers€171 EUR to €1,056 EUR

A
Cheapest Retailer
-
€171 EUR
$191 USD
A
Retailer 2
-
€191 EUR
$213 USD
View
Final sale: no returns
A
Retailer 3
-
€198 EUR
$221 USD
View
A
Retailer 4
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€211 EUR
$236 USD
View
A
Retailer 5
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€211 EUR
$236 USD
View
A
Retailer 6
-
€286 EUR
$320 USD
View
Retailer 7
-
€343 EUR
£302 GBP
View
Price last confirmed 14 days ago
A
Retailer 8
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€358 EUR
View
A
Retailer 9
-
€363 EUR
ZAR 6,553 ZAR
View
A
Retailer 10
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€384 EUR
£337 GBP
View
A
Retailer 11
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€446 EUR
$498 USD
View
A
Retailer 12
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€464 EUR
A$798 AUD
View
B+
Retailer 13
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€493 EUR
$551 USD
View
B+
Retailer 14
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€507 EUR
$566 USD
View
B+
Retailer 15
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€516 EUR
A$887 AUD
View
B+
Retailer 16
-
€577 EUR
SGD 871 SGD
View
B+
Retailer 17
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€679 EUR
$759 USD
View
B+
Retailer 18
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€728 EUR
$813 USD
View
B
Retailer 19
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€832 EUR
£732 GBP
View
Retailer 20
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€935 EUR
$1,045 USD
View
Price last confirmed 10 days ago
B
Retailer 21
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€990 EUR
£871 GBP
View
B
Retailer 22
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€1,041 EUR
$1,163 USD
View
Most Expensive
B
Brilliant Earth
18208591A · Oct 30
€1,056 EUR
$1,180 USD
View
22 more retailers have this diamond
Prices start from €171 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
1.05ct Round
€171 EUR