Round|Lab Grown|GIA

1.42ct D SI1 Round Lab Grown Diamond

EX • D/SI1

Diamond specifications and retailer prices

This diamond has been sold
Last seen: Aug 25, 2026 at $176 USD
$176 USDlast known price
CA$245 CAD

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. 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
OriginLab Grown
Grading LabGIA
Dimensions7.15 × 7.18 × 4.44 mm
L/W Ratio1.00
Top View
7.15 mm7.18 mm1.42 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA
Side View
Table 58.0%CrownGirdle: Slightly ThickPavilionCuletDepth 61.9%

Caratlytics Score

Price History

Last verified: Aug 25
Current: $288 USD|Low: $176 USD|High: $648 USD|Avg: $401 USD
Aurelinne
Calavera New York
Diamonds for Less
Moon Ocean

62 data points across 4 retailers

Historical Listings

Diamonds for Less
07F91BB5B · Aug 25
$176 USD
CA$245 CAD
View

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1.42ct D SI1 Round Lab-Grown Diamond (Sold) | Carat Hunter