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Round|Natural|GIA

1.00ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 1423768522

Certificate GIA 1423768522

Diamond specifications and retailer prices

From HK$15,767 HKD
As of November 1, 2026
Save HK$27,746 HKD (64%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: HK$43,512 HKD at NZ Jewellers · As of October 30, 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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1423768522. Listed at 23 retailers as of October 30, 2026, with prices from HK$15,767 to HK$43,512, a HK$27,746 spread on the same certified stone. NZ Jewellers lists it at HK$43,512. 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
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 1423768522
Dimensions6.36 × 6.39 × 3.95 mm
L/W Ratio1.00
Culet sizeNone
Top View
6.36 mm6.39 mm1.00 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1423768522
Side View
Table 60.0%Crown 35.5°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.0%

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 1
Current: HK$43,512 HKD|Low: HK$15,064 HKD|High: HK$43,512 HKD|Avg: HK$22,085 HKD|+0.7%
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
November 1, 2026
Retailer 22HK$15,767 HKD
Retailer 13HK$16,672 HKD
Retailer 6HK$16,696 HKD
Retailer 9HK$17,025 HKD
Retailer 7HK$17,402 HKD
Retailer 12HK$17,402 HKD
Retailer 15HK$18,186 HKD
Retailer 4HK$18,790 HKD
Retailer 19HK$18,853 HKD
Retailer 14HK$19,026 HKD
Retailer 16HK$20,025 HKD
Retailer 3HK$20,548 HKD
Retailer 8HK$21,654 HKD
Retailer 10HK$21,654 HKD
Retailer 5HK$21,756 HKD
Retailer 18HK$22,112 HKD
Retailer 11HK$22,360 HKD
Retailer 2HK$24,302 HKD
Retailer 20HK$25,459 HKD
Retailer 21HK$25,581 HKD
Retailer 17HK$36,458 HKD
NZ JewellersHK$43,512 HKD

16 data points across 22 retailers

23 retailersHK$15,767 HKD to HK$43,512 HKD

A
Cheapest Retailer
-
HK$15,767 HKD
A
Retailer 2
-
HK$16,672 HKD
$2,125 USD
View
A
Retailer 3
-
HK$16,696 HKD
$2,128 USD
View
A
Retailer 4
-
HK$17,025 HKD
$2,170 USD
View
A
Retailer 5
-
HK$17,402 HKD
$2,218 USD
View
Final sale: no returns
A
Retailer 6
-
HK$17,402 HKD
$2,218 USD
View
A
Retailer 7
-
HK$18,186 HKD
$2,318 USD
View
A
Retailer 8
-
HK$18,790 HKD
$2,395 USD
View
B+
Retailer 9
-
HK$18,853 HKD
$2,403 USD
View
A
Retailer 10
-
HK$19,026 HKD
$2,425 USD
View
B+
Retailer 11
-
HK$20,025 HKD
£2,010 GBP
View
B+
Retailer 12
-
HK$20,548 HKD
$2,619 USD
View
B+
Retailer 13
-
HK$21,654 HKD
$2,760 USD
View
B+
Retailer 14
-
HK$21,654 HKD
$2,760 USD
View
B+
Retailer 15
-
HK$21,756 HKD
$2,773 USD
View
B+
Retailer 16
-
HK$22,112 HKD
£2,219 GBP
View
B+
Retailer 17
-
HK$22,360 HKD
$2,850 USD
View
Retailer 18
-
HK$23,586 HKD
A$4,625 AUD
View
Price last confirmed 24 days ago
B+
Retailer 19
-
HK$24,302 HKD
€2,950 EUR
View
B+
Retailer 20
-
HK$25,459 HKD
$3,245 USD
View
B+
Retailer 21
-
HK$25,581 HKD
ZAR 52,674 ZAR
View
B
Retailer 22
-
HK$36,458 HKD
£3,659 GBP
View
Most Expensive
B
NZ Jewellers
7330d7c4-5473-4174-83b5-06070554d291 · Oct 30
HK$43,512 HKD
$5,546 USD
View
22 more retailers have this diamond
Prices start from HK$15,767 HKDSave up to HK$27,746 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$15,767 HKD