Round|Lab Grown|IGI

1.05ct G IF Round Lab Grown Diamond

EX • G/IF • IGI LG578308708

Shape and cutting style on the report: Round brilliant

Certificate IGI LG578308708

Diamond specifications and retailer prices

From €1,692 EUR
$1,890 USD
As of October 31, 2026
1 retailer carries this diamond
Only listing: €1,692 EUR at Brilliant Earth
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
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 G colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG578308708 or 578308708. Listed at a single retailer as of October 31, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.05
Carat
G
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.6°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG578308708
Dimensions6.47 × 6.51 × 4.05 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 Faint Blue
Top View
6.47 mm6.51 mm1.05 ctG / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG578308708
Side View
Table 57.0%Crown 36.6°Girdle: THN-MEDPavilion 40.6°Culet: NoneDepth 62.4%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 31
Current: €1,692 EUR|Low: €156 EUR|High: €1,692 EUR|Avg: €667 EUR
Brilliant Earth
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June 20, 2026
Retailer 4€355 EUR
Retailer 10€512 EUR
Retailer 12€564 EUR
Retailer 8€569 EUR
Retailer 5€578 EUR
Retailer 13€664 EUR
Retailer 11€690 EUR
Retailer 7€753 EUR
Retailer 6€791 EUR
Retailer 2€801 EUR
Retailer 3€1,015 EUR
Retailer 9€1,054 EUR
Retailer 14€1,082 EUR
Brilliant Earth€1,692 EUR

60 data points across 14 retailers

1 retailer

B
Brilliant Earth
11243214A · Oct 31
€1,692 EUR
$1,890 USD
View

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B
1.05ct Round
€1,692 EUR