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Cushion|Natural|GIA

0.51ct I SI1 Cushion Natural Diamond

VG • I/SI1 • GIA 5156149914

Certificate GIA 5156149914

Diamond specifications and retailer prices

From HK$4,786 HKD
$610 USD
As of November 2, 2026
1 retailer carries this diamond
Only listing: HK$4,786 HKD at Shane Co
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 Shane Co

About this 0.51ct natural cushion diamond

This 0.51ct natural cushion sits in the half to three-quarter carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade stated by the retailer rather than the lab and certified by GIA 5156149914. Listed at a single retailer as of November 2, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.51
Carat
I
Colour
SI1
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishVery Good
SymmetryFair
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5156149914
Dimensions4.56 × 4.48 × 3.16 mm
L/W Ratio1.02
Top View
4.56 mm4.48 mm0.51 ctI / SI1
OriginNatural
CutVery Good
PolishVery Good
SymmetryFair
FluorescenceNone
CertificateGIA 5156149914
Side View
Table 60.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 70.5%

Caratlytics Score

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C
Average
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Price History

Last verified: Nov 2
Current: HK$4,786 HKD|Low: HK$4,786 HKD|High: HK$4,786 HKD|Avg: HK$4,786 HKD
October 12, 2026
Shane CoHK$4,786 HKD

1 data point across 1 retailer

1 retailer

C
Shane Co
26J03J0 · Nov 2
HK$4,786 HKD
$610 USD
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C
0.51ct Cushion
HK$4,786 HKD