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Cushion|Natural|GIA

0.51ct E SI2 Cushion Natural Diamond

GD • E/SI2 • GIA 1299073936

Certificate GIA 1299073936

Diamond specifications and retailer prices

From HK$6,673 HKD
$851 USD
As of October 28, 2026
Save HK$3,919 HKD (37%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: HK$10,593 HKD at 77 Diamonds · As of October 30, 2026
View at 77 Diamonds

About this 0.51ct natural cushion diamond

This 0.51ct natural cushion sits in the half to three-quarter carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a standard cut grade stated by the retailer rather than the lab and certified by GIA 1299073936. Listed at 9 retailers as of October 28, 2026, with prices from HK$6,673 to HK$10,593, a HK$3,919 spread on the same certified stone. 77 Diamonds lists it at HK$10,593. 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
E
Colour
SI2
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishVery Good
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1299073936
Dimensions4.75 × 4.59 × 3.10 mm
L/W Ratio1.03
Culet sizeNone
Top View
4.75 mm4.59 mm0.51 ctE / SI2
OriginNatural
CutGood
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateGIA 1299073936
Side View
Table 66.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 67.6%

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: HK$10,593 HKD|Low: HK$6,673 HKD|High: HK$10,913 HKD|Avg: HK$8,203 HKD|+2.3%
77 Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 6HK$6,673 HKD
Retailer 2HK$6,708 HKD
Retailer 5HK$6,959 HKD
Retailer 4HK$7,116 HKD
Retailer 7HK$7,744 HKD
Retailer 3HK$7,956 HKD
Retailer 8HK$8,552 HKD
Retailer 9HK$8,552 HKD
77 DiamondsHK$10,593 HKD
Retailer 10HK$10,913 HKD

36 data points across 10 retailers

9 retailersHK$6,673 HKD to HK$10,593 HKD

B
Cheapest Retailer
-
HK$6,673 HKD
$851 USD
B
Retailer 2
-
HK$6,959 HKD
$887 USD
View
B
Retailer 3
-
HK$7,116 HKD
$907 USD
View
B
Retailer 4
-
HK$7,744 HKD
$987 USD
View
B
Retailer 5
-
HK$7,956 HKD
$1,014 USD
View
B
Retailer 6
-
HK$8,552 HKD
$1,090 USD
View
B
Retailer 7
-
HK$8,552 HKD
$1,090 USD
View
B
Retailer 8
-
HK$8,866 HKD
$1,130 USD
View
Most Expensive
C
77 Diamonds
CUSZBKWDVSAU · Oct 30
HK$10,593 HKD
£1,063 GBP
View
8 more retailers have this diamond
Prices start from HK$6,673 HKDSave up to HK$3,919 HKD

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
0.51ct Cushion
HK$6,673 HKD