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Round|Lab Grown|GIA

1.42ct D SI1 Round Lab Grown Diamond

EX • D/SI1 • GIA 2467951542

Shape and cutting style on the report: Round brilliant

Certificate GIA 2467951542

Diamond specifications and retailer prices

From $335 AUD
$235 USD
As of November 1, 2026
Save $1,556 AUD (82%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $3,217 AUD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2467951542. Listed at 17 retailers as of October 31, 2026, with a 465% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.42
Carat
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.8°
OriginLab Grown
Grading LabGIA
CertificateGIA 2467951542
Dimensions7.18 × 7.15 × 4.44 mm
L/W Ratio1.00
Star length50%
Lower girdle75%
Top View
7.18 mm7.15 mm1.42 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2467951542
Side View
Table 58.0%Crown 36°Girdle: Slightly ThickPavilion 40.8°Culet: NoneDepth 61.9%

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 1
Current: $782 AUD|Low: $322 AUD|High: $1,891 AUD|Avg: $856 AUD|+6.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 2, 2026
Retailer 9$335 AUD
Retailer 4$374 AUD
Retailer 2$389 AUD
Retailer 5$416 AUD
Retailer 10$416 AUD
Retailer 11$578 AUD
Retailer 1$782 AUD
Retailer 13$874 AUD
Retailer 7$1,005 AUD
Retailer 8$1,340 AUD
Retailer 3$1,473 AUD
Retailer 6$1,835 AUD
Retailer 12$1,891 AUD

44 data points across 13 retailers

17 retailers$335 AUD to $1,891 AUD

A
Cheapest Retailer
-
$335 AUD
$235 USD
A
Retailer 2
-
$374 AUD
$263 USD
View
Final sale: no returns
A
Retailer 3
-
$389 AUD
$273 USD
View
Retailer 4
-
$416 AUD
$292 USD
View
Price last confirmed 7 days ago
A
Retailer 5
-
$416 AUD
$292 USD
View
B+
Retailer 6
-
$578 AUD
$406 USD
View
A
Retailer 7
-
$652 AUD
$458 USD
View
B+
Retailer 8
-
$782 AUD
£433 GBP
View
B+
Retailer 9
-
$874 AUD
$614 USD
View
B+
Retailer 10
-
$904 AUD
$635 USD
View
B+
Retailer 11
-
$1,056 AUD
CA$1,030 CAD
View
B
Retailer 12
-
$1,340 AUD
$941 USD
View
B
Retailer 13
-
$1,473 AUD
$1,035 USD
View
B
Retailer 14
-
$1,713 AUD
$1,204 USD
View
B
Retailer 15
-
$1,835 AUD
£1,015 GBP
View
B
Retailer 16
-
$1,891 AUD
$1,328 USD
View
Most Expensive
Do Amore Diamonds
27-07F91BB5B · Oct 31
$3,217 AUD
$2,260 USD
View
Price under review
16 more retailers have this diamond
Prices start from $335 AUDSave up to $1,556 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
$335 AUD