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Round|Lab Grown|IGI

1.42ct G IF Round Lab Grown Diamond

ID • G/IF • IGI LG799669485

Shape and cutting style on the report: Round brilliant

Certificate IGI LG799669485

Diamond specifications and retailer prices

From $406 AUD
As of November 1, 2026
Save $2,274 AUD (85%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $2,680 AUD at Brilliant Earth · As of November 3, 2026
View at Brilliant Earth

About this 1.42ct lab-grown round diamond

This 1.42ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded G colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG799669485 or 799669485. Listed at 18 retailers as of November 1, 2026, with prices from $406 to $2,680, a $2,274 spread on the same certified stone. Brilliant Earth lists it at $2,680. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.42
Carat
G
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG799669485
Dimensions7.19 × 7.16 × 4.46 mm
L/W Ratio1.00
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 Faint Blue
Top View
7.19 mm7.16 mm1.42 ctG / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG799669485
Side View
Table 57.0%Crown 36°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 62.1%

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 1
Current: $2,680 AUD|Low: $406 AUD|High: $3,435 AUD|Avg: $1,259 AUD|-22.0%
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
November 3, 2026
Retailer 17$406 AUD
Retailer 3$455 AUD
Retailer 7$505 AUD
Retailer 2$817 AUD
Retailer 6$830 AUD
Retailer 15$834 AUD
Retailer 13$868 AUD
Retailer 4$871 AUD
Retailer 12$888 AUD
Retailer 14$1,226 AUD
Retailer 11$1,346 AUD
Retailer 5$1,599 AUD
Retailer 8$1,691 AUD
Retailer 9$1,758 AUD
Retailer 10$2,020 AUD
Retailer 16$2,388 AUD
Brilliant Earth$2,680 AUD

35 data points across 17 retailers

18 retailers$406 AUD to $2,680 AUD

A
Cheapest Retailer
-
$406 AUD
A
Retailer 2
-
$455 AUD
View
Final sale: no returns
Retailer 3
-
$490 AUD
View
Price last confirmed 51 days ago
Retailer 4
-
$505 AUD
View
Price last confirmed 11 days ago
A
Retailer 5
-
$817 AUD
View
A
Retailer 6
-
$830 AUD
View
A
Retailer 7
-
$834 AUD
View
A
Retailer 8
-
$868 AUD
View
A
Retailer 9
-
$871 AUD
View
A
Retailer 10
-
$888 AUD
View
Retailer 11
-
$1,226 AUD
View
Price last confirmed 8 days ago
B+
Retailer 12
-
$1,346 AUD
View
B
Retailer 13
-
$1,599 AUD
View
B
Retailer 14
-
$1,691 AUD
View
B
Retailer 15
-
$1,793 AUD
View
B
Retailer 16
-
$2,020 AUD
View
B
Retailer 17
-
$2,388 AUD
View
Most Expensive
B
Brilliant Earth
20577388A · Nov 3
$2,680 AUD
$1,880 USD
View
17 more retailers have this diamond
Prices start from $406 AUDSave up to $2,274 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
1.42ct Round
$406 AUD