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Round|Natural|GIA

1.00ct I VS1 Round Natural Diamond

EX • I/VS1 • GIA 5231719445

Certificate GIA 5231719445

Diamond specifications and retailer prices

From HK$18,877 HKD
As of November 4, 2026
Save HK$24,416 HKD (56%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: HK$43,293 HKD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1ct natural round diamond

This 1ct natural round sits in the classic one-carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by GIA 5231719445. Listed at 25 retailers as of November 4, 2026, with prices from HK$18,877 to HK$43,293, a HK$24,416 spread on the same certified stone. NZ Jewellers lists it at HK$43,293. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
I
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 5231719445
Dimensions6.30 × 6.35 × 4.03 mm
L/W Ratio1.01
Girdle conditionSlightly Thick
Key to symbols
Cloud, Indented Natural, Pinpoint
Top View
6.30 mm6.35 mm1.00 ctI / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5231719445
Side View
Table 56.0%Crown 36.5°Girdle: Slightly ThickPavilion 41°Culet: NoneDepth 63.7%

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 4
Current: HK$43,293 HKD|Low: HK$18,673 HKD|High: HK$43,372 HKD|Avg: HK$25,760 HKD|-0.2%
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
Retailer 19
Retailer 20
Retailer 21
Retailer 22
Retailer 23
November 5, 2026
Retailer 8HK$18,877 HKD
Retailer 15HK$19,607 HKD
Retailer 9HK$20,203 HKD
Retailer 3HK$20,501 HKD
Retailer 23HK$20,776 HKD
Retailer 22HK$20,823 HKD
Retailer 20HK$22,047 HKD
Retailer 5HK$22,517 HKD
Retailer 16HK$22,557 HKD
Retailer 11HK$22,596 HKD
Retailer 18HK$23,200 HKD
Retailer 19HK$23,380 HKD
Retailer 2HK$25,569 HKD
Retailer 12HK$25,656 HKD
Retailer 14HK$25,656 HKD
Retailer 21HK$25,977 HKD
Retailer 10HK$26,519 HKD
Retailer 6HK$27,296 HKD
Retailer 17HK$28,441 HKD
Retailer 4HK$29,461 HKD
Retailer 7HK$30,599 HKD
Retailer 13HK$41,449 HKD
NZ JewellersHK$43,293 HKD

23 data points across 23 retailers

25 retailersHK$18,877 HKD to HK$43,293 HKD

A
Cheapest Retailer
-
HK$18,877 HKD
A
Retailer 2
-
HK$19,607 HKD
View
A
Retailer 3
-
HK$20,203 HKD
View
A
Retailer 4
-
HK$20,501 HKD
View
A
Retailer 5
-
HK$20,776 HKD
View
Final sale: no returns
A
Retailer 6
-
HK$20,823 HKD
View
A
Retailer 7
-
HK$22,047 HKD
View
A
Retailer 8
-
HK$22,517 HKD
View
A
Retailer 9
-
HK$22,557 HKD
View
A
Retailer 10
-
HK$22,596 HKD
View
A
Retailer 11
-
HK$23,200 HKD
View
A
Retailer 12
-
HK$23,380 HKD
View
A
Retailer 13
-
HK$25,569 HKD
View
B+
Retailer 14
-
HK$25,656 HKD
View
B+
Retailer 15
-
HK$25,656 HKD
View
B+
Retailer 16
-
HK$25,977 HKD
View
B+
Retailer 17
-
HK$26,519 HKD
View
B+
Retailer 18
-
HK$27,296 HKD
View
Retailer 19
-
HK$28,355 HKD
View
Price last confirmed 32 days ago
B+
Retailer 20
-
HK$28,441 HKD
View
Retailer 21
-
HK$29,022 HKD
View
Price last confirmed 13 days ago
B+
Retailer 22
-
HK$29,461 HKD
View
B+
Retailer 23
-
HK$30,599 HKD
View
B
Retailer 24
-
HK$41,449 HKD
View
Most Expensive
B
NZ Jewellers
3ad652a9-8922-4ace-953a-ffc859c8ce27 · Nov 5
HK$43,293 HKD
$5,518 USD
View
24 more retailers have this diamond
Prices start from HK$18,877 HKDSave up to HK$24,416 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$18,877 HKD