Round|Natural|GIA

1.00ct G SI1 Round Natural Diamond

EX • G/SI1 • GIA 7521931738

Certificate GIA 7521931738

Diamond specifications and retailer prices

From HK$15,659 HKD
As of November 6, 2026
Save HK$26,548 HKD (63%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: HK$42,207 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 G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7521931738. Listed at 24 retailers as of November 5, 2026, with prices from HK$15,659 to HK$42,207, a HK$26,548 spread on the same certified stone. NZ Jewellers lists it at HK$42,207. 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
G
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 7521931738
Dimensions6.35 × 6.31 × 3.99 mm
L/W Ratio1.01
Star length55%
Lower girdle75%
Cert comments
Additional clouds are not shown. Pinpoints are not shown.
Key to symbols
Crystal, Cloud, Feather, Needle, Indented Natural, Natural
Top View
6.35 mm6.31 mm1.00 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7521931738
Side View
Table 56.0%Crown 36.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 63.0%

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 6
Current: HK$42,207 HKD|Low: HK$15,565 HKD|High: HK$42,207 HKD|Avg: HK$23,162 HKD
NZ Jewellers
Retailer 2
Retailer 3
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Retailer 17
Retailer 18
Retailer 19
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Retailer 22
Retailer 23
November 6, 2026
Retailer 3HK$15,659 HKD
Retailer 13HK$16,483 HKD
Retailer 21HK$17,918 HKD
Retailer 15HK$18,083 HKD
Retailer 12HK$18,632 HKD
Retailer 17HK$19,315 HKD
Retailer 4HK$19,966 HKD
Retailer 8HK$20,044 HKD
Retailer 6HK$20,186 HKD
Retailer 9HK$20,186 HKD
Retailer 11HK$20,711 HKD
Retailer 7HK$21,119 HKD
Retailer 19HK$21,237 HKD
Retailer 5HK$21,284 HKD
Retailer 18HK$21,810 HKD
Retailer 10HK$22,186 HKD
Retailer 14HK$23,292 HKD
Retailer 22HK$24,446 HKD
Retailer 20HK$24,634 HKD
Retailer 16HK$29,506 HKD
Retailer 2HK$31,930 HKD
Retailer 23HK$35,264 HKD
NZ JewellersHK$42,207 HKD

23 data points across 23 retailers

24 retailersHK$15,659 HKD to HK$42,207 HKD

A
Cheapest Retailer
-
HK$15,659 HKD
A
Retailer 2
-
HK$16,483 HKD
View
A
Retailer 3
-
HK$17,918 HKD
View
A
Retailer 4
-
HK$18,083 HKD
View
A
Retailer 5
-
HK$18,632 HKD
View
Final sale: no returns
A
Retailer 6
-
HK$19,315 HKD
View
A
Retailer 7
-
HK$19,966 HKD
View
A
Retailer 8
-
HK$20,044 HKD
View
A
Retailer 9
-
HK$20,186 HKD
View
Retailer 10
-
HK$20,186 HKD
View
Price last confirmed 8 days ago
B+
Retailer 11
-
HK$20,711 HKD
View
B+
Retailer 12
-
HK$21,119 HKD
View
A
Retailer 13
-
HK$21,237 HKD
View
B+
Retailer 14
-
HK$21,284 HKD
View
B+
Retailer 15
-
HK$21,810 HKD
View
B+
Retailer 16
-
HK$22,186 HKD
View
B+
Retailer 17
-
HK$23,292 HKD
View
Retailer 18
-
HK$23,355 HKD
View
Price last confirmed 30 days ago
B+
Retailer 19
-
HK$24,446 HKD
View
B+
Retailer 20
-
HK$24,634 HKD
View
B+
Retailer 21
-
HK$29,506 HKD
View
B+
Retailer 22
-
HK$31,930 HKD
View
B
Retailer 23
-
HK$35,264 HKD
View
Most Expensive
B
NZ Jewellers
5cb3b936-66a2-46ea-adc4-2528a6c27ea0 · Nov 5
HK$42,207 HKD
$5,380 USD
View
23 more retailers have this diamond
Prices start from HK$15,659 HKDSave up to HK$26,548 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$15,659 HKD