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Cushion|Natural|GIA

1.00ct J SI1 Cushion Natural Diamond

GD • J/SI1 • GIA 2376933978

Certificate GIA 2376933978

Diamond specifications and retailer prices

From HK$15,416 HKD
As of November 6, 2026
Save HK$8,331 HKD (35%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$23,747 HKD at Washington Diamond · As of November 6, 2026
View at Washington Diamond

About this 1ct natural cushion diamond

This 1ct natural cushion sits in the classic one-carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a standard cut grade stated by the retailer rather than the lab and certified by GIA 2376933978. Listed at 16 retailers as of November 6, 2026, with prices from HK$15,416 to HK$23,747, a HK$8,331 spread on the same certified stone. Washington Diamond lists it at HK$23,747. 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

1.00
Carat
J
Colour
SI1
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2376933978
Dimensions6.11 × 5.45 × 3.78 mm
L/W Ratio1.12
Top View
6.11 mm5.45 mm1.00 ctJ / SI1
OriginNatural
CutGood
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2376933978
Side View
Table 75.0%CrownGirdle: MED-MEDPavilionCulet: NoneDepth 69.4%

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: Nov 6
Current: HK$22,313 HKD|Low: HK$14,954 HKD|High: HK$23,747 HKD|Avg: HK$17,636 HKD|+2.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Washington Diamond
November 6, 2026
Retailer 14HK$14,954 HKD
Retailer 11HK$15,416 HKD
Retailer 8HK$15,487 HKD
Retailer 7HK$15,542 HKD
Retailer 13HK$16,216 HKD
Retailer 9HK$16,247 HKD
Retailer 15HK$16,670 HKD
Retailer 4HK$17,125 HKD
Retailer 10HK$17,971 HKD
Retailer 12HK$18,629 HKD
Retailer 6HK$18,747 HKD
Retailer 5HK$18,896 HKD
Retailer 2HK$18,967 HKD
Retailer 3HK$18,967 HKD
Retailer 16HK$19,594 HKD
Retailer 1HK$22,313 HKD
Washington DiamondHK$23,747 HKD

22 data points across 17 retailers

16 retailersHK$15,416 HKD to HK$23,747 HKD

B
Cheapest Retailer
-
HK$15,416 HKD
B
Retailer 2
-
HK$15,487 HKD
View
B
Retailer 3
-
HK$15,542 HKD
View
B
Retailer 4
-
HK$16,216 HKD
View
B
Retailer 5
-
HK$16,247 HKD
View
B
Retailer 6
-
HK$16,670 HKD
View
B
Retailer 7
-
HK$17,125 HKD
View
B
Retailer 8
-
HK$17,971 HKD
View
B
Retailer 9
-
HK$18,629 HKD
View
B
Retailer 10
-
HK$18,747 HKD
View
B
Retailer 11
-
HK$18,896 HKD
View
B
Retailer 12
-
HK$18,967 HKD
View
B
Retailer 13
-
HK$18,967 HKD
View
C
Retailer 14
-
HK$19,594 HKD
View
C
Retailer 15
-
HK$22,313 HKD
View
Most Expensive
Washington Diamond
1917992662 · Nov 6
HK$23,747 HKD
$3,030 USD
View
15 more retailers have this diamond
Prices start from HK$15,416 HKDSave up to HK$8,331 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
1.00ct Cushion
HK$15,416 HKD