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Round|Lab Grown|IGI

1.00ct F IF Round Lab Grown Diamond

ID • F/IF • IGI LG837677766

Shape and cutting style on the report: Round brilliant

Certificate IGI LG837677766

Diamond specifications and retailer prices

From $429 AUD
As of November 4, 2026
Save $1,429 AUD (77%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $1,857 AUD at Brilliant Earth · As of November 5, 2026
View at Brilliant Earth

About this 1ct lab-grown round diamond

This 1ct lab-grown round sits in the classic one-carat band, graded F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG837677766 or 837677766. Listed at 10 retailers as of November 4, 2026, with prices from $429 to $1,857, a $1,429 spread on the same certified stone. Brilliant Earth lists it at $1,857. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
F
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837677766
Dimensions6.45 × 6.40 × 3.97 mm
L/W Ratio1.01
Girdle conditionFaceted
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
6.45 mm6.40 mm1.00 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837677766
Side View
Table 57.0%Crown 35.6°Girdle: MediumPavilion 40.6°Culet: NoneDepth 61.8%

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: Nov 4
Current: $1,857 AUD|Low: $429 AUD|High: $2,457 AUD|Avg: $954 AUD|-24.4%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 5, 2026
Retailer 10$429 AUD
Retailer 5$536 AUD
Retailer 2$560 AUD
Retailer 8$637 AUD
Retailer 7$657 AUD
Retailer 6$1,000 AUD
Retailer 9$1,091 AUD
Retailer 4$1,200 AUD
Retailer 3$1,473 AUD
Brilliant Earth$1,857 AUD

42 data points across 10 retailers

10 retailers$429 AUD to $1,857 AUD

A
Cheapest Retailer
-
$429 AUD
A
Retailer 2
-
$536 AUD
View
A
Retailer 3
-
$560 AUD
View
B+
Retailer 4
-
$637 AUD
View
B+
Retailer 5
-
$657 AUD
View
Retailer 6
-
$1,000 AUD
View
Price last confirmed 9 days ago
B
Retailer 7
-
$1,091 AUD
View
B+
Retailer 8
-
$1,200 AUD
View
B
Retailer 9
-
$1,473 AUD
View
Most Expensive
B
Brilliant Earth
21381500A · Nov 5
$1,857 AUD
$1,300 USD
View
9 more retailers have this diamond
Prices start from $429 AUDSave up to $1,429 AUD

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
1.00ct Round
$429 AUD