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0.42ct F SI1 Round Lab Grown Diamond

EX • F/SI1 • GIA 1508085081

Certificate GIA 1508085081

Diamond specifications and retailer prices

From $1,581 AUD
As of November 6, 2026
2 retailers carry this diamond
Most expensive: $4,440 AUD at MOH London · As of November 5, 2026
View at MOH London

About this 0.42ct lab-grown round diamond

This 0.42ct lab-grown round sits in the sub-half-carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1508085081. Listed at 2 retailers as of November 6, 2026. 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

0.42
Carat
F
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
OriginLab Grown
Grading LabGIA
CertificateGIA 1508085081
Dimensions4.82 × 4.78 × 2.95 mm
L/W Ratio1.01
Top View
4.82 mm4.78 mm0.42 ctF / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 1508085081
Side View
Table 58.0%CrownGirdlePavilionCuletDepth 61.4%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 6
Current: $4,440 AUD|Low: $1,581 AUD|High: $4,606 AUD|Avg: $2,899 AUD|-3.6%
MOH London
Retailer 2
November 5, 2026
Retailer 2$1,581 AUD
MOH London$4,440 AUD

5 data points across 2 retailers

2 retailers

B
Cheapest Retailer
-
$1,581 AUD
Most Expensive
MOH London
1508085081 · Nov 5
$4,440 AUD
£2,402 GBP
View
Price under review
1 more retailer has this diamond
Prices start from $1,581 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.

B
0.42ct Round
$1,581 AUD