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Round|Natural|GIA

1.55ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 6321773138

Certificate GIA 6321773138

Diamond specifications and retailer prices

From HK$74,306 HKD
As of November 4, 2026
Save HK$50,426 HKD (40%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: HK$133,479 HKD at NZ Jewellers · As of September 19, 2026
View at NZ Jewellers

About this 1.55ct natural round diamond

This 1.55ct natural round sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6321773138. Listed at 19 retailers as of November 4, 2026, with a 68% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
H
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6321773138
Dimensions7.36 × 7.40 × 4.62 mm
L/W Ratio1.01
Top View
7.36 mm7.40 mm1.55 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6321773138
Side View
Table 56.0%CrownGirdle: MediumPavilionCulet: NoneDepth 62.6%

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: Nov 4
Current: HK$85,044 HKD|Low: HK$74,306 HKD|High: HK$126,574 HKD|Avg: HK$96,990 HKD|-2.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 7, 2026
Retailer 8HK$74,306 HKD
Retailer 9HK$80,083 HKD
Retailer 1HK$85,044 HKD
Retailer 7HK$88,210 HKD
Retailer 6HK$91,823 HKD
Retailer 4HK$100,256 HKD
Retailer 2HK$105,546 HKD
Retailer 3HK$116,840 HKD
Retailer 5HK$124,732 HKD

35 data points across 9 retailers

19 retailersHK$74,306 HKD to HK$124,732 HKD

B
Cheapest Retailer
-
HK$74,306 HKD
B
Retailer 2
-
HK$85,044 HKD
View
B
Retailer 3
-
HK$85,420 HKD
View
Retailer 4
-
HK$86,760 HKD
View
Price last confirmed 51 days ago
Retailer 5
-
HK$88,210 HKD
View
Price last confirmed 15 days ago
B
Retailer 6
-
HK$91,823 HKD
View
Retailer 7
-
HK$91,823 HKD
View
Price last confirmed 8 days ago
Retailer 8
-
HK$91,823 HKD
View
Price last confirmed 40 days ago
Retailer 9
-
HK$91,823 HKD
View
Price last confirmed 24 days ago
B
Retailer 10
-
HK$92,089 HKD
View
B
Retailer 11
-
HK$92,089 HKD
View
B
Retailer 12
-
HK$95,146 HKD
View
Retailer 13
-
HK$100,107 HKD
View
Price last confirmed 49 days ago
B
Retailer 14
-
HK$100,256 HKD
View
Retailer 15
-
HK$105,366 HKD
View
Price last confirmed 15 days ago
B
Retailer 16
-
HK$105,546 HKD
View
B
Retailer 17
-
HK$116,840 HKD
View
B
Retailer 18
-
HK$124,732 HKD
View
Most Expensive
NZ Jewellers
610ff20b-4319-418f-b8be-e6336119932d · Sep 19
HK$133,479 HKD
$17,031 USD
View
Price last confirmed 49 days ago
18 more retailers have this diamond
Prices start from HK$74,306 HKDSave up to HK$50,426 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$74,306 HKD