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Cushion|Natural|GIA

1.55ct J SI2 Cushion Natural Diamond

EX • J/SI2 • GIA 2175338913

Certificate GIA 2175338913

Diamond specifications and retailer prices

From HK$18,575 HKD
A$3,642 AUD
As of November 2, 2026
Save HK$8,094 HKD (30%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: HK$26,669 HKD at 77 Diamonds · As of November 2, 2026
View at 77 Diamonds

About this 1.55ct natural cushion diamond

This 1.55ct natural cushion sits in the one-and-a-half to two carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2175338913. Listed at 2 retailers as of November 2, 2026, with prices from HK$18,575 to HK$26,669, a HK$8,094 spread on the same certified stone. 77 Diamonds lists it at HK$26,669. 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

1.55
Carat
J
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2175338913
Dimensions6.70 × 6.39 × 4.21 mm
L/W Ratio1.05
Top View
6.70 mm6.39 mm1.55 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 2175338913
Side View
Table 60.0%CrownGirdlePavilionCuletDepth 65.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: HK$26,669 HKD|Low: HK$18,575 HKD|High: HK$26,669 HKD|Avg: HK$22,172 HKD|+0.0%
77 Diamonds
Retailer 2
November 2, 2026
Retailer 2HK$18,575 HKD
77 DiamondsHK$26,669 HKD

5 data points across 2 retailers

2 retailersHK$18,575 HKD to HK$26,669 HKD

B+
Cheapest Retailer
-
HK$18,575 HKD
A$3,642 AUD
Most Expensive
B+
77 Diamonds
CUSMBHXH63QKU · Nov 2
HK$26,669 HKD
£2,676 GBP
View
1 more retailer has this diamond
Prices start from HK$18,575 HKDSave up to HK$8,094 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+
1.55ct Cushion
HK$18,575 HKD