CaratHunter
Plans
Round|Natural|GIA

1.51ct I SI1 Round Natural Diamond

GD • I/SI1 • GIA 1377240735

Certificate GIA 1377240735

Diamond specifications and retailer prices

From HK$29,526 HKD
As of November 1, 2026
Save HK$37,040 HKD (56%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: HK$66,566 HKD at NZ Jewellers · As of October 30, 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 standard cut grade and certified by GIA 1377240735. Listed at 18 retailers as of October 30, 2026, with prices from HK$29,526 to HK$66,566, a HK$37,040 spread on the same certified stone. NZ Jewellers lists it at HK$66,566. 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
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1377240735
Dimensions7.04 × 6.95 × 4.65 mm
L/W Ratio1.01
Key to symbols
Twinning Wisp, Feather
Top View
7.04 mm6.95 mm1.51 ctI / SI1
OriginNatural
CutGood
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1377240735
Side View
Table 57.0%CrownGirdle: ThickPavilionCulet: NoneDepth 66.5%

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 1
Current: HK$66,566 HKD|Low: HK$26,011 HKD|High: HK$66,566 HKD|Avg: HK$38,575 HKD|+9.0%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
November 2, 2026
Retailer 15HK$29,526 HKD
Retailer 6HK$33,981 HKD
Retailer 4HK$34,711 HKD
Retailer 17HK$35,245 HKD
Retailer 5HK$36,728 HKD
Retailer 7HK$37,426 HKD
Retailer 10HK$37,542 HKD
Retailer 11HK$38,996 HKD
Retailer 3HK$39,795 HKD
Retailer 8HK$39,795 HKD
Retailer 9HK$39,795 HKD
Retailer 2HK$40,932 HKD
Retailer 18HK$40,991 HKD
Retailer 12HK$44,842 HKD
Retailer 16HK$45,923 HKD
Retailer 14HK$48,920 HKD
Retailer 13HK$63,384 HKD
NZ JewellersHK$66,566 HKD

27 data points across 18 retailers

18 retailersHK$29,526 HKD to HK$66,566 HKD

B+
Cheapest Retailer
-
HK$29,526 HKD
B+
Retailer 2
-
HK$33,981 HKD
$4,331 USD
View
B+
Retailer 3
-
HK$34,711 HKD
$4,424 USD
View
B+
Retailer 4
-
HK$35,245 HKD
$4,492 USD
View
B+
Retailer 5
-
HK$36,728 HKD
$4,681 USD
View
Final sale: no returns
B+
Retailer 6
-
HK$37,426 HKD
$4,770 USD
View
B+
Retailer 7
-
HK$37,542 HKD
SGD 6,466 SGD
View
B+
Retailer 8
-
HK$38,996 HKD
£3,914 GBP
View
B+
Retailer 9
-
HK$39,795 HKD
$5,072 USD
View
B+
Retailer 10
-
HK$39,795 HKD
$5,072 USD
View
B+
Retailer 11
-
HK$39,795 HKD
$5,072 USD
View
B+
Retailer 12
-
HK$40,932 HKD
£4,108 GBP
View
B+
Retailer 13
-
HK$40,991 HKD
$5,224 USD
View
B+
Retailer 14
-
HK$44,842 HKD
€5,443 EUR
View
B
Retailer 15
-
HK$45,923 HKD
$5,853 USD
View
B
Retailer 16
-
HK$48,920 HKD
ZAR 100,727 ZAR
View
B
Retailer 17
-
HK$63,384 HKD
£6,361 GBP
View
Most Expensive
B
NZ Jewellers
b1e3832e-6607-4c7c-8ab6-d32f401f6ec3 · Oct 30
HK$66,566 HKD
$8,484 USD
View
17 more retailers have this diamond
Prices start from HK$29,526 HKDSave up to HK$37,040 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+
1.51ct Round
HK$29,526 HKD