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Round|Lab Grown|IGI

1.05ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG729569980

Shape and cutting style on the report: Round brilliant

Certificate IGI LG729569980

Diamond specifications and retailer prices

From €201 EUR
$224 USD
As of October 30, 2026
Save €871 EUR (81%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: €1,208 EUR at Brilliant Earth · As of October 17, 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 LG729569980 or 729569980. Listed at 24 retailers as of October 30, 2026, with a 435% 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

1.05
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG729569980
Dimensions6.52 × 6.55 × 4.00 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
6.52 mm6.55 mm1.05 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG729569980
Side View
Table 56.0%Crown 34.5°Girdle: MediumPavilion 40.7°Culet: NoneDepth 61.2%

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 30
Current: €1,208 EUR|Low: €201 EUR|High: €1,208 EUR|Avg: €548 EUR
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 31, 2026
Retailer 7€201 EUR
Retailer 9€252 EUR
Retailer 17€303 EUR
Retailer 11€376 EUR
Retailer 13€383 EUR
Retailer 10€408 EUR
Retailer 5€437 EUR
Retailer 16€449 EUR
Retailer 2€488 EUR
Retailer 15€541 EUR
Retailer 14€546 EUR
Retailer 8€607 EUR
Retailer 12€710 EUR
Retailer 6€766 EUR
Retailer 4€1,049 EUR
Retailer 3€1,072 EUR
Brilliant Earth€1,208 EUR

39 data points across 17 retailers

24 retailers€201 EUR to €1,072 EUR

Retailer 1
-
€180 EUR
$201 USD
Price last confirmed 13 days ago
A
Retailer 2
-
€201 EUR
$224 USD
View
Final sale: no returns
Retailer 3
-
€209 EUR
$233 USD
View
Price last confirmed 12 days ago
Retailer 4
-
€223 EUR
$249 USD
View
Price last confirmed 13 days ago
Retailer 5
-
€224 EUR
$250 USD
View
Price last confirmed 15 days ago
Retailer 6
-
€230 EUR
$257 USD
View
Price last confirmed 46 days ago
A
Retailer 7
-
€252 EUR
HK$2,200 HKD
View
A
Retailer 8
-
€303 EUR
$338 USD
View
A
Retailer 9
-
€376 EUR
View
A
Retailer 10
-
€383 EUR
ZAR 6,921 ZAR
View
A
Retailer 11
-
€408 EUR
£359 GBP
View
A
Retailer 12
-
€437 EUR
$488 USD
View
A
Retailer 13
-
€449 EUR
$502 USD
View
B+
Retailer 14
-
€488 EUR
A$838 AUD
View
B+
Retailer 15
-
€541 EUR
$604 USD
View
B+
Retailer 16
-
€546 EUR
A$938 AUD
View
B+
Retailer 17
-
€574 EUR
$641 USD
View
B+
Retailer 18
-
€607 EUR
SGD 917 SGD
View
B+
Retailer 19
-
€710 EUR
A$1,221 AUD
View
Retailer 20
-
€718 EUR
$802 USD
View
Price last confirmed 14 days ago
B+
Retailer 21
-
€766 EUR
$855 USD
View
B
Retailer 22
-
€1,049 EUR
£923 GBP
View
B
Retailer 23
-
€1,072 EUR
$1,197 USD
View
Most Expensive
Brilliant Earth
16533432A · Oct 17
€1,208 EUR
$1,350 USD
View
Price last confirmed 14 days ago
23 more retailers have this diamond
Prices start from €201 EURSave up to €871 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
€201 EUR