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Round|Lab Grown|UNKNOWN

0.42ct D SI2 Round Lab Grown Diamond

EX • D/SI2 • UNKNOWN 3525722572

Certificate UNKNOWN 3525722572

Diamond specifications and retailer prices

From $231 USD
As of November 5, 2026
Save $690 USD (75%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $921 USD 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 3525722572. Listed at 5 retailers as of November 5, 2026, with prices from $231 to $921, a $690 spread on the same certified stone. NZ Jewellers lists it at $921. 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
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabUNKNOWN
CertificateUNKNOWN 3525722572
Dimensions4.77 × 4.75 × 2.99 mm
L/W Ratio1.00
Top View
4.77 mm4.75 mm0.42 ctD / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateUNKNOWN 3525722572
Side View
Table 55.9%CrownGirdlePavilionCuletDepth 62.9%

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: $921 USD|Low: $222 USD|High: $921 USD|Avg: $412 USD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 10, 2026
Retailer 2$231 USD
Retailer 6$268 USD
Retailer 3$286 USD
Retailer 5$286 USD
Retailer 4$486 USD
NZ Jewellers$921 USD

4 data points across 6 retailers

5 retailers$231 USD to $921 USD

A
Cheapest Retailer
-
$231 USD
B+
Retailer 2
-
$268 USD
View
B+
Retailer 3
-
$286 USD
View
B
Retailer 4
-
$486 USD
View
Most Expensive
C
NZ Jewellers
08061c07-757e-4fe6-a6a4-48d161eb8b1a · Nov 5
$921 USD
View
4 more retailers have this diamond
Prices start from $231 USDSave up to $690 USD

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
$231 USD