Round|Natural|GIA

1.51ct I SI1 Round Natural Diamond

VG • I/SI1 • GIA 3545894934

Certificate GIA 3545894934

Diamond specifications and retailer prices

From HK$36,130 HKD
As of November 5, 2026
Save HK$40,347 HKD (53%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: HK$76,477 HKD at NZ Jewellers · As of November 5, 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 SI1 clarity (slightly-included), with a very-good cut grade and certified by GIA 3545894934. Listed at 21 retailers as of November 5, 2026, with prices from HK$36,130 to HK$76,477, a HK$40,347 spread on the same certified stone. NZ Jewellers lists it at HK$76,477. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.51
Carat
I
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceStrong
Crown angle38.5°
Pavilion angle40.2°
OriginNatural
Grading LabGIA
CertificateGIA 3545894934
Dimensions7.06 × 7.17 × 4.63 mm
L/W Ratio1.02
Top View
7.06 mm7.17 mm1.51 ctI / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceStrong
CertificateGIA 3545894934
Side View
Table 56.0%Crown 38.5°Girdle: MED-THKPavilion 40.2°Culet: NDepth 65.0%

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 5
Current: HK$46,774 HKD|Low: HK$35,049 HKD|High: HK$68,091 HKD|Avg: HK$45,009 HKD|-1.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 12HK$36,130 HKD
Retailer 10HK$36,561 HKD
Retailer 11HK$38,231 HKD
Retailer 3HK$38,874 HKD
Retailer 4HK$39,963 HKD
Retailer 8HK$43,874 HKD
Retailer 2HK$45,794 HKD
Retailer 1HK$46,774 HKD
Retailer 7HK$49,572 HKD
Retailer 6HK$49,713 HKD
Retailer 5HK$55,787 HKD
Retailer 9HK$67,182 HKD

36 data points across 12 retailers

21 retailersHK$36,130 HKD to HK$76,477 HKD

B+
Cheapest Retailer
-
HK$36,130 HKD
A
Retailer 2
-
HK$36,561 HKD
View
B+
Retailer 3
-
HK$38,231 HKD
View
Final sale: no returns
B+
Retailer 4
-
HK$38,874 HKD
View
B+
Retailer 5
-
HK$39,963 HKD
View
Retailer 6
-
HK$41,428 HKD
View
Price last confirmed 50 days ago
B+
Retailer 7
-
HK$41,428 HKD
View
Retailer 8
-
HK$41,428 HKD
View
Price last confirmed 8 days ago
B+
Retailer 9
-
HK$41,428 HKD
View
B+
Retailer 10
-
HK$43,874 HKD
View
Retailer 11
-
HK$45,794 HKD
View
Price last confirmed 28 days ago
B+
Retailer 12
-
HK$46,774 HKD
View
Retailer 13
-
HK$47,800 HKD
View
Price last confirmed 45 days ago
B+
Retailer 14
-
HK$47,800 HKD
View
B+
Retailer 15
-
HK$49,572 HKD
View
B
Retailer 16
-
HK$49,713 HKD
View
Retailer 17
-
HK$50,442 HKD
View
Price last confirmed 14 days ago
B
Retailer 18
-
HK$55,787 HKD
View
B
Retailer 19
-
HK$67,182 HKD
View
Retailer 20
-
HK$76,477 HKD
View
Price last confirmed 48 days ago
Most Expensive
C
NZ Jewellers
2e0273fb-c338-4381-9582-6e861e1a2774 · Nov 5
HK$76,477 HKD
$9,758 USD
View
20 more retailers have this diamond
Prices start from HK$36,130 HKDSave up to HK$40,347 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$36,130 HKD