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Round|Lab Grown

0.42ct G VS1 Round Lab Grown Diamond

EX • G/VS1 • C731A53873

Diamond specifications and retailer prices

From $155 AUD
$109 USD
As of November 1, 2026
Save $525 AUD (77%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $680 AUD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 0.42ct lab-grown round diamond

This 0.42ct lab-grown round sits in the sub-half-carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade. Listed at 4 retailers as of October 30, 2026, with prices from $155 to $680, a $525 spread on the same certified stone. NZ Jewellers lists it at $680. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.42
Carat
G
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishGood
SymmetryGood
FluorescenceNone
OriginLab Grown
Grading Lab
CertificateC731A53873
Dimensions4.88 × 4.85 × 2.86 mm
L/W Ratio1.01
Top View
4.88 mm4.85 mm0.42 ctG / VS1
OriginLab Grown
CutExcellent
PolishGood
SymmetryGood
FluorescenceNone
CertificateC731A53873
Side View
Table 59.0%CrownGirdlePavilionCuletDepth 58.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $680 AUD|Low: $148 AUD|High: $680 AUD|Avg: $329 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
October 10, 2026
Retailer 2$155 AUD
Retailer 4$179 AUD
Retailer 3$205 AUD
NZ Jewellers$680 AUD

3 data points across 4 retailers

4 retailers$155 AUD to $680 AUD

B+
Cheapest Retailer
-
$155 AUD
$109 USD
B+
Retailer 2
-
$179 AUD
$126 USD
View
B+
Retailer 3
-
$205 AUD
$144 USD
View
Most Expensive
C
NZ Jewellers
baf74c96-c28b-40b1-a5e5-4afafc301b5e · Oct 30
$680 AUD
$478 USD
View
3 more retailers have this diamond
Prices start from $155 AUDSave up to $525 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
$155 AUD