Round|Natural|IGI

1.55ct I IF Round Natural Diamond

EX • I/IF • IGI 651429858

Shape and cutting style on the report: Round brilliant

Certificate IGI 651429858

Diamond specifications and retailer prices

From HK$53,457 HKD
As of November 6, 2026
9 retailers carry this diamond
Most expensive: HK$83,748 HKD at NZ Jewellers · As of October 27, 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 I colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI 651429858. Listed at 9 retailers as of November 6, 2026. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
I
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle41.4°
OriginNatural
Grading LabIGI
CertificateIGI 651429858
Dimensions7.39 × 7.33 × 4.61 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
7.39 mm7.33 mm1.55 ctI / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 651429858
Side View
Table 59.0%Crown 34.9°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 62.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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$53,457 HKD|Low: HK$42,364 HKD|High: HK$74,663 HKD|Avg: HK$52,620 HKD|+8.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 6HK$44,090 HKD
Retailer 7HK$46,216 HKD
Retailer 8HK$50,076 HKD
Retailer 3HK$50,115 HKD
Retailer 1HK$53,457 HKD
Retailer 2HK$54,626 HKD
Retailer 5HK$56,744 HKD
Retailer 4HK$73,863 HKD

34 data points across 8 retailers

9 retailers

Retailer 1
-
HK$44,090 HKD
Price last confirmed 9 days ago
Retailer 2
-
HK$50,076 HKD
View
Price last confirmed 11 days ago
Retailer 3
-
HK$50,076 HKD
View
Price last confirmed 12 days ago
Retailer 4
-
HK$50,115 HKD
View
Price last confirmed 9 days ago
A
Retailer 5
-
HK$53,457 HKD
View
Retailer 6
-
HK$54,626 HKD
View
Price last confirmed 9 days ago
Retailer 7
-
HK$57,780 HKD
View
Price last confirmed 10 days ago
Retailer 8
-
HK$73,863 HKD
View
Price last confirmed 11 days ago
Most Expensive
NZ Jewellers
cdd8a785-44d5-4f9b-b70e-494c8a52f97f · Oct 27
HK$83,748 HKD
$10,675 USD
View
Price last confirmed 9 days ago
8 more retailers have this diamond
Prices start from HK$53,457 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.

A
1.55ct Round
HK$53,457 HKD