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 $285 USD
As of November 1, 2026
Save $1,595 USD (85%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $1,880 USD at Brilliant Earth · As of October 31, 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 19 retailers as of October 31, 2026, with prices from $285 to $1,880, a $1,595 spread on the same certified stone. Brilliant Earth lists it at $1,880. 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
Color
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

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: $1,880 USD|Low: $285 USD|High: $2,410 USD|Avg: $872 USD|-22.0%
Brilliant Earth
Retailer 2
Retailer 3
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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 2, 2026
Retailer 17$285 USD
Retailer 3$319 USD
Retailer 7$354 USD
Retailer 2$574 USD
Retailer 6$582 USD
Retailer 13$585 USD
Retailer 11$610 USD
Retailer 4$611 USD
Retailer 10$623 USD
Retailer 12$861 USD
Retailer 16$937 USD
Retailer 5$1,122 USD
Retailer 8$1,186 USD
Retailer 9$1,233 USD
Retailer 14$1,420 USD
Retailer 15$1,675 USD
Brilliant Earth$1,880 USD

36 data points across 17 retailers

19 retailers$285 USD to $1,880 USD

A
Cheapest Retailer
-
$285 USD
A
Retailer 2
-
$319 USD
View
Final sale: no returns
Retailer 3
-
$344 USD
View
Price last confirmed 47 days ago
Retailer 4
-
$354 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$574 USD
€547 EUR
View
A
Retailer 6
-
$582 USD
View
A
Retailer 7
-
$585 USD
View
A
Retailer 8
-
$610 USD
ZAR 9,853 ZAR
View
A
Retailer 9
-
$611 USD
View
A
Retailer 10
-
$623 USD
£491 GBP
View
B+
Retailer 11
-
$861 USD
A$1,324 AUD
View
B+
Retailer 12
-
$937 USD
View
Retailer 13
-
$977 USD
View
Price last confirmed 48 days ago
B
Retailer 14
-
$1,122 USD
View
B
Retailer 15
-
$1,186 USD
View
B
Retailer 16
-
$1,258 USD
View
Retailer 17
-
$1,420 USD
£1,118 GBP
View
Price last confirmed 8 days ago
B
Retailer 18
-
$1,675 USD
View
Most Expensive
B
Brilliant Earth
20577388A · Oct 31
$1,880 USD
View
18 more retailers have this diamond
Prices start from $285 USDSave up to $1,595 USD

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
$285 USD