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Round|Lab Grown|UNKNOWN

0.42ct D SI2 Round Lab Grown Diamond

EX • D/SI2 • UNKNOWN 35372372

Certificate UNKNOWN 35372372

Diamond specifications and retailer prices

From $411 NZD
As of November 5, 2026
Save $1,227 NZD (75%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $1,638 NZD at NZ Jewellers · As of November 5, 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 D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by UNKNOWN 35372372. Listed at 5 retailers as of November 5, 2026, with prices from $411 to $1,638, a $1,227 spread on the same certified stone. NZ Jewellers lists it at $1,638. 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
D
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabUNKNOWN
CertificateUNKNOWN 35372372
Dimensions4.90 × 4.87 × 2.88 mm
L/W Ratio1.01
Top View
4.90 mm4.87 mm0.42 ctD / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateUNKNOWN 35372372
Side View
Table 59.6%CrownGirdlePavilionCuletDepth 58.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $411 NZD|Low: $395 NZD|High: $865 NZD|Avg: $573 NZD|+4.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
October 10, 2026
Retailer 1$411 NZD
Retailer 4$477 NZD
Retailer 2$509 NZD
Retailer 3$865 NZD

4 data points across 4 retailers

5 retailers$411 NZD to $1,638 NZD

A
Cheapest Retailer
-
$411 NZD
B+
Retailer 2
-
$477 NZD
View
B+
Retailer 3
-
$509 NZD
View
B
Retailer 4
-
$865 NZD
View
Most Expensive
C
NZ Jewellers
c28b713d-5763-49d4-98ed-29f54640ebef · Nov 5
$1,638 NZD
$921 USD
View
4 more retailers have this diamond
Prices start from $411 NZDSave up to $1,227 NZD

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
0.42ct Round
$411 NZD