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Round|Lab Grown|GIA

4.20ct D IF Round Lab Grown Diamond

EX • D/IF

Diamond specifications and retailer prices

From $6,006 SGD
£3,700 GBP
As of November 1, 2026
1 retailer carries this diamond
Only listing: $6,006 SGD at Moon Ocean
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at Moon Ocean

About this 4.2ct lab-grown round diamond

This 4.2ct lab-grown round sits in the three to five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA. Listed at a single retailer as of November 1, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

4.20
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabGIA
Dimensions10.38 × 10.41 × 6.35 mm
L/W Ratio1.00
Top View
10.38 mm10.41 mm4.20 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA
Side View
Table 57.0%CrownGirdlePavilionCulet: NoneDepth 61.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: $6,006 SGD|Low: $6,006 SGD|High: $6,222 SGD|Avg: $6,172 SGD|-3.0%
November 1, 2026
Moon Ocean$6,006 SGD

34 data points across 1 retailer

1 retailer

A
Moon Ocean
NVL-583E6BE5B-720 · Nov 1
$6,006 SGD
£3,700 GBP
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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
4.20ct Round
$6,006 SGD