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Round|Natural|GIA

1.51ct I I1 Round Natural Diamond

EX • I/I1 • GIA 1553379600

Certificate GIA 1553379600

Diamond specifications and retailer prices

From HK$25,408 HKD
As of November 1, 2026
Save HK$12,504 HKD (33%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: HK$58,607 HKD at NZ Jewellers · As of October 17, 2026
View at NZ Jewellers

About this 1.51ct natural round diamond

This 1.51ct natural round sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and I1 clarity (included), with a top-tier cut grade and certified by GIA 1553379600. Listed at 9 retailers as of November 1, 2026, with a 49% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
I
Colour
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 1553379600
Dimensions7.24 × 7.30 × 4.61 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp, Feather, Crystal, Natural
Top View
7.24 mm7.30 mm1.51 ctI / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1553379600
Side View
Table 56.0%Crown 36.5°Girdle: THN-STKPavilion 41°Culet: NoneDepth 63.4%

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 1
Current: HK$26,816 HKD|Low: HK$25,207 HKD|High: HK$40,032 HKD|Avg: HK$31,800 HKD|-1.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 2, 2026
Retailer 3HK$25,408 HKD
Retailer 1HK$26,816 HKD
Retailer 5HK$29,720 HKD
Retailer 4HK$30,904 HKD
Retailer 2HK$37,911 HKD
Retailer 6HK$40,032 HKD

43 data points across 6 retailers

9 retailersHK$25,408 HKD to HK$37,911 HKD

A
Cheapest Retailer
-
HK$25,408 HKD
A
Retailer 2
-
HK$26,816 HKD
₹325,517 INR
View
B+
Retailer 3
-
HK$30,904 HKD
$3,939 USD
View
Retailer 4
-
HK$33,642 HKD
$4,288 USD
View
Price last confirmed 17 days ago
Retailer 5
-
HK$33,642 HKD
$4,288 USD
View
Price last confirmed 13 days ago
Retailer 6
-
HK$33,642 HKD
$4,288 USD
View
Price last confirmed 17 days ago
B+
Retailer 7
-
HK$37,911 HKD
€4,602 EUR
View
Retailer 8
-
HK$38,813 HKD
$4,947 USD
View
Price last confirmed 14 days ago
Most Expensive
NZ Jewellers
ccdbccab-96f8-46cd-b103-0dcbd525b30e · Oct 17
HK$58,607 HKD
$7,470 USD
View
Price last confirmed 15 days ago
8 more retailers have this diamond
Prices start from HK$25,408 HKDSave up to HK$12,504 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
1.51ct Round
HK$25,408 HKD