Round|Natural|GIA

1.51ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 7513772206

Certificate GIA 7513772206

Diamond specifications and retailer prices

From HK$37,258 HKD
As of October 30, 2026
Save HK$40,083 HKD (52%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: HK$91,293 HKD at NZ Jewellers · As of September 28, 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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7513772206. Listed at 19 retailers as of October 29, 2026, with a 108% 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

1.51
Carat
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceMedium
Crown angle36.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 7513772206
Dimensions7.32 × 7.27 × 4.59 mm
L/W Ratio1.01
Culet sizeNone
Top View
7.32 mm7.27 mm1.51 ctD / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceMedium
CertificateGIA 7513772206
Side View
Table 57.0%Crown 36.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 63.1%

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: Oct 30
Current: HK$57,065 HKD|Low: HK$37,258 HKD|High: HK$80,211 HKD|Avg: HK$51,875 HKD|-2.5%
Retailer 1
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
October 30, 2026
Retailer 13HK$37,258 HKD
Retailer 11HK$42,079 HKD
Retailer 5HK$44,229 HKD
Retailer 10HK$45,452 HKD
Retailer 7HK$45,544 HKD
Retailer 4HK$46,525 HKD
Retailer 12HK$46,917 HKD
Retailer 14HK$47,166 HKD
Retailer 9HK$48,196 HKD
Retailer 8HK$49,750 HKD
Retailer 6HK$53,528 HKD
Retailer 1HK$57,065 HKD
Retailer 3HK$65,507 HKD
Retailer 2HK$77,341 HKD

31 data points across 14 retailers

19 retailersHK$37,258 HKD to HK$77,341 HKD

A
Cheapest Retailer
-
HK$37,258 HKD
A
Retailer 2
-
HK$42,079 HKD
₹510,787 INR
View
Retailer 3
-
HK$44,229 HKD
SGD 7,618 SGD
View
Price last confirmed 17 days ago
A
Retailer 4
-
HK$45,452 HKD
A$8,913 AUD
View
A
Retailer 5
-
HK$45,544 HKD
$5,805 USD
View
A
Retailer 6
-
HK$46,525 HKD
$5,930 USD
View
A
Retailer 7
-
HK$46,917 HKD
$5,980 USD
View
A
Retailer 8
-
HK$47,166 HKD
SGD 8,124 SGD
View
A
Retailer 9
-
HK$48,196 HKD
$6,143 USD
View
Final sale: no returns
A
Retailer 10
-
HK$49,750 HKD
£4,993 GBP
View
Retailer 11
-
HK$50,385 HKD
$6,422 USD
View
Price last confirmed 23 days ago
Retailer 12
-
HK$53,528 HKD
A$10,496 AUD
View
Price last confirmed 27 days ago
Retailer 13
-
HK$54,583 HKD
$6,957 USD
View
Price last confirmed 32 days ago
Retailer 14
-
HK$55,422 HKD
$7,064 USD
View
Price last confirmed 32 days ago
A
Retailer 15
-
HK$57,065 HKD
€6,927 EUR
View
Retailer 16
-
HK$62,977 HKD
$8,027 USD
View
Price last confirmed 32 days ago
B+
Retailer 17
-
HK$65,507 HKD
ZAR 134,885 ZAR
View
B+
Retailer 18
-
HK$77,341 HKD
£7,762 GBP
View
Most Expensive
NZ Jewellers
6df0276c-c38a-45f7-9185-b9ea45a5031b · Sep 28
HK$91,293 HKD
$11,636 USD
View
Price last confirmed 33 days ago
18 more retailers have this diamond
Prices start from HK$37,258 HKDSave up to HK$40,083 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$37,258 HKD