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Round|Lab Grown|IGI

1.00ct F IF Round Lab Grown Diamond

ID • F/IF • IGI LG818647078

Shape and cutting style on the report: Round brilliant

Certificate IGI LG818647078

Diamond specifications and retailer prices

From $263 AUD
As of November 5, 2026
Save $1,866 AUD (88%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $2,128 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 LG818647078 or 818647078. Listed at 20 retailers as of November 5, 2026, with prices from $263 to $2,128, a $1,866 spread on the same certified stone. Brilliant Earth lists it at $2,128. 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 angle34.3°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818647078
Dimensions6.37 × 6.42 × 3.98 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
6.37 mm6.42 mm1.00 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818647078
Side View
Table 56.0%Crown 34.3°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $2,128 AUD|Low: $263 AUD|High: $2,571 AUD|Avg: $972 AUD|-15.3%
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
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Retailer 15
Retailer 16
Retailer 17
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Retailer 19
Retailer 20
November 5, 2026
Retailer 19$263 AUD
Retailer 3$294 AUD
Retailer 6$304 AUD
Retailer 20$326 AUD
Retailer 13$521 AUD
Retailer 18$560 AUD
Retailer 9$574 AUD
Retailer 16$579 AUD
Retailer 14$580 AUD
Retailer 11$639 AUD
Retailer 8$666 AUD
Retailer 17$793 AUD
Retailer 2$1,021 AUD
Retailer 4$1,046 AUD
Retailer 5$1,104 AUD
Retailer 10$1,121 AUD
Retailer 12$1,140 AUD
Retailer 15$1,516 AUD
Retailer 7$1,630 AUD
Brilliant Earth$2,128 AUD

35 data points across 20 retailers

20 retailers$263 AUD to $2,128 AUD

A
Cheapest Retailer
-
$263 AUD
A
Retailer 2
-
$294 AUD
View
Final sale: no returns
A
Retailer 3
-
$304 AUD
View
A
Retailer 4
-
$326 AUD
View
A
Retailer 5
-
$521 AUD
View
A
Retailer 6
-
$560 AUD
View
A
Retailer 7
-
$574 AUD
View
A
Retailer 8
-
$579 AUD
View
A
Retailer 9
-
$580 AUD
View
B+
Retailer 10
-
$639 AUD
View
B+
Retailer 11
-
$666 AUD
View
B+
Retailer 12
-
$793 AUD
View
B+
Retailer 13
-
$1,021 AUD
View
B
Retailer 14
-
$1,046 AUD
View
B
Retailer 15
-
$1,104 AUD
View
B
Retailer 16
-
$1,121 AUD
View
B
Retailer 17
-
$1,140 AUD
View
B
Retailer 18
-
$1,516 AUD
View
B
Retailer 19
-
$1,630 AUD
View
Most Expensive
B
Brilliant Earth
21614631A · Nov 5
$2,128 AUD
$1,490 USD
View
19 more retailers have this diamond
Prices start from $263 AUDSave up to $1,866 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
$263 AUD