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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 $1,890 USD
As of October 31, 2026
1 retailer carries this diamond
Only listing: $1,890 USD 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: $1,890 USD|Low: $174 USD|High: $1,890 USD|Avg: $745 USD
Brilliant Earth
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June 20, 2026
Retailer 4$397 USD
Retailer 10$572 USD
Retailer 12$630 USD
Retailer 8$636 USD
Retailer 5$645 USD
Retailer 13$742 USD
Retailer 11$771 USD
Retailer 7$841 USD
Retailer 6$884 USD
Retailer 2$895 USD
Retailer 3$1,134 USD
Retailer 9$1,177 USD
Retailer 14$1,209 USD
Brilliant Earth$1,890 USD

60 data points across 14 retailers

1 retailer

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

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B
1.05ct Round
$1,890 USD