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Round|Natural|GIA

1.55ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 2547875031

Certificate GIA 2547875031

Diamond specifications and retailer prices

From HK$38,137 HKD
As of November 4, 2026
Save HK$28,677 HKD (43%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: HK$66,814 HKD at Wholesale Diamonds Direct · As of November 6, 2026
View at Wholesale Diamonds Direct

About this 1.55ct natural round diamond

This 1.55ct natural round sits in the one-and-a-half to two carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2547875031. Listed at 12 retailers as of November 4, 2026, with prices from HK$38,137 to HK$66,814, a HK$28,677 spread on the same certified stone. Wholesale Diamonds Direct lists it at HK$66,814. 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
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 2547875031
Dimensions7.32 × 7.36 × 4.60 mm
L/W Ratio1.01
Top View
7.32 mm7.36 mm1.55 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2547875031
Side View
Table 56.0%Crown 36.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.7%

Caratlytics Score

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

Price History

Last verified: Nov 4
Current: HK$58,334 HKD|Low: HK$38,137 HKD|High: HK$67,482 HKD|Avg: HK$48,934 HKD|-3.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Wholesale Diamonds Direct
November 5, 2026
Retailer 2HK$38,137 HKD
Retailer 6HK$38,168 HKD
Retailer 7HK$45,112 HKD
Retailer 4HK$45,347 HKD
Retailer 10HK$45,849 HKD
Retailer 3HK$46,601 HKD
Retailer 8HK$48,357 HKD
Retailer 9HK$48,357 HKD
Retailer 5HK$48,843 HKD
Retailer 11HK$50,003 HKD
Retailer 1HK$58,334 HKD
Wholesale Diamonds DirectHK$66,814 HKD

42 data points across 12 retailers

12 retailersHK$38,137 HKD to HK$66,814 HKD

B+
Cheapest Retailer
-
HK$38,137 HKD
B+
Retailer 2
-
HK$38,168 HKD
View
B+
Retailer 3
-
HK$45,112 HKD
View
B+
Retailer 4
-
HK$45,347 HKD
View
B+
Retailer 5
-
HK$45,849 HKD
View
B
Retailer 6
-
HK$46,601 HKD
View
B
Retailer 7
-
HK$48,357 HKD
View
B
Retailer 8
-
HK$48,357 HKD
View
B+
Retailer 9
-
HK$48,843 HKD
View
B
Retailer 10
-
HK$50,003 HKD
View
B
Retailer 11
-
HK$58,334 HKD
View
Most Expensive
B
Wholesale Diamonds Direct
235736463 · Nov 6
HK$66,814 HKD
$8,525 USD
View
11 more retailers have this diamond
Prices start from HK$38,137 HKDSave up to HK$28,677 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 Round
HK$38,137 HKD