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Round|Natural|GIA

1.55ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 7556552522

Certificate GIA 7556552522

Diamond specifications and retailer prices

From HK$43,074 HKD
As of November 6, 2026
Save HK$25,684 HKD (37%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: HK$68,759 HKD at MOH London · As of November 1, 2026
View at MOH London

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 7556552522. Listed at 12 retailers as of November 1, 2026, with prices from HK$43,074 to HK$68,759, a HK$25,684 spread on the same certified stone. MOH London lists it at HK$68,759. 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
FluorescenceNone
Crown angle35.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 7556552522
Dimensions7.37 × 7.33 × 4.60 mm
L/W Ratio1.01
Star length50%
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Cloud, Needle
Top View
7.37 mm7.33 mm1.55 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7556552522
Side View
Table 58.0%Crown 35.5°Girdle: Slightly ThickPavilion 41°Culet: NoneDepth 62.6%

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 6
Current: HK$68,759 HKD|Low: HK$43,074 HKD|High: HK$69,595 HKD|Avg: HK$50,836 HKD|-0.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 11HK$43,074 HKD
Retailer 7HK$44,516 HKD
Retailer 4HK$44,783 HKD
Retailer 9HK$46,672 HKD
Retailer 10HK$46,672 HKD
Retailer 3HK$46,742 HKD
Retailer 6HK$47,620 HKD
Retailer 8HK$53,851 HKD
Retailer 2HK$55,442 HKD
Retailer 5HK$56,947 HKD
MOH LondonHK$68,759 HKD

33 data points across 11 retailers

12 retailersHK$43,074 HKD to HK$68,759 HKD

B
Cheapest Retailer
-
HK$43,074 HKD
Final sale: no returns
B+
Retailer 2
-
HK$44,516 HKD
View
B+
Retailer 3
-
HK$44,783 HKD
View
Retailer 4
-
HK$46,672 HKD
View
Price last confirmed 15 days ago
Retailer 5
-
HK$46,672 HKD
View
Price last confirmed 15 days ago
Retailer 6
-
HK$46,742 HKD
View
Price last confirmed 28 days ago
B+
Retailer 7
-
HK$47,620 HKD
View
Retailer 8
-
HK$47,965 HKD
View
Price last confirmed 11 days ago
Retailer 9
-
HK$53,851 HKD
View
Price last confirmed 14 days ago
B
Retailer 10
-
HK$55,442 HKD
View
B
Retailer 11
-
HK$56,947 HKD
View
Most Expensive
B
MOH London
76667EFC1 · Nov 1
HK$68,759 HKD
£6,908 GBP
View
11 more retailers have this diamond
Prices start from HK$43,074 HKDSave up to HK$25,684 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$43,074 HKD