Round|Natural|GIA

1.00ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 7531246302

Certificate GIA 7531246302

Diamond specifications and retailer prices

From HK$19,382 HKD
As of November 1, 2026
Save HK$22,796 HKD (54%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: HK$43,944 HKD at NZ Jewellers · As of October 20, 2026
View at NZ Jewellers

About this 1ct natural round diamond

This 1ct natural round sits in the classic one-carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7531246302. Listed at 25 retailers as of November 1, 2026, with a 118% 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

1.00
Carat
H
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.5°
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 7531246302
Dimensions6.40 × 6.37 × 3.93 mm
L/W Ratio1.00
Key to symbols
Feather, Indented Natural, Natural
Top View
6.40 mm6.37 mm1.00 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7531246302
Side View
Table 61.0%Crown 32.5°Girdle: MED-STKPavilion 41.8°Culet: NoneDepth 61.6%

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 1
Current: HK$19,542 HKD|Low: HK$18,880 HKD|High: HK$42,686 HKD|Avg: HK$26,766 HKD|+0.0%
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
Retailer 15
November 1, 2026
Retailer 13HK$19,382 HKD
Retailer 1HK$19,542 HKD
Retailer 6HK$22,068 HKD
Retailer 4HK$22,384 HKD
Retailer 7HK$23,270 HKD
Retailer 5HK$24,110 HKD
Retailer 8HK$24,268 HKD
Retailer 2HK$24,900 HKD
Retailer 14HK$25,499 HKD
Retailer 11HK$25,978 HKD
Retailer 10HK$28,512 HKD
Retailer 12HK$31,002 HKD
Retailer 15HK$36,537 HKD
Retailer 3HK$37,559 HKD
Retailer 9HK$42,178 HKD

29 data points across 15 retailers

25 retailersHK$19,382 HKD to HK$42,178 HKD

A
Cheapest Retailer
-
HK$19,382 HKD
A
Retailer 2
-
HK$19,542 HKD
₹237,214 INR
View
B+
Retailer 3
-
HK$22,068 HKD
SGD 3,801 SGD
View
B+
Retailer 4
-
HK$22,384 HKD
$2,853 USD
View
Retailer 5
-
HK$23,035 HKD
$2,936 USD
View
Price last confirmed 12 days ago
B+
Retailer 6
-
HK$23,270 HKD
$2,966 USD
View
Final sale: no returns
B+
Retailer 7
-
HK$24,110 HKD
$3,073 USD
View
B+
Retailer 8
-
HK$24,268 HKD
£2,436 GBP
View
B
Retailer 9
-
HK$24,439 HKD
$3,115 USD
View
B
Retailer 10
-
HK$24,900 HKD
$3,174 USD
View
Retailer 11
-
HK$25,224 HKD
$3,215 USD
View
Price last confirmed 16 days ago
Retailer 12
-
HK$25,224 HKD
$3,215 USD
View
Price last confirmed 10 days ago
B+
Retailer 13
-
HK$25,499 HKD
$3,250 USD
View
B+
Retailer 14
-
HK$25,978 HKD
£2,607 GBP
View
Retailer 15
-
HK$26,189 HKD
$3,338 USD
View
Price last confirmed 10 days ago
B+
Retailer 16
-
HK$26,349 HKD
$3,358 USD
View
B+
Retailer 17
-
HK$27,014 HKD
SGD 4,653 SGD
View
Retailer 18
-
HK$27,044 HKD
A$5,303 AUD
View
Price last confirmed 28 days ago
B
Retailer 19
-
HK$28,512 HKD
€3,461 EUR
View
Retailer 20
-
HK$29,100 HKD
$3,709 USD
View
Price last confirmed 9 days ago
B
Retailer 21
-
HK$31,002 HKD
ZAR 63,837 ZAR
View
B
Retailer 22
-
HK$36,537 HKD
$4,657 USD
View
B
Retailer 23
-
HK$37,559 HKD
$4,787 USD
View
B
Retailer 24
-
HK$42,178 HKD
£4,233 GBP
View
Most Expensive
NZ Jewellers
50e08de8-2568-4efa-8c40-f267d318b6f9 · Oct 20
HK$43,944 HKD
$5,601 USD
View
Price last confirmed 12 days ago
24 more retailers have this diamond
Prices start from HK$19,382 HKDSave up to HK$22,796 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
1.00ct Round
HK$19,382 HKD