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Round|Natural|GIA

1.01ct G SI2 Round Natural Diamond

EX • G/SI2 • GIA 1423732075

Certificate GIA 1423732075

Diamond specifications and retailer prices

From HK$10,128 HKD
As of November 4, 2026
Save HK$18,601 HKD (65%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: HK$28,729 HKD at Helzberg Diamonds · As of November 6, 2026
View at Helzberg Diamonds

About this 1.01ct natural round diamond

This 1.01ct natural round sits in the classic one-carat band, graded G colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1423732075. Listed at 12 retailers as of November 4, 2026, with prices from HK$10,128 to HK$28,729, a HK$18,601 spread on the same certified stone. Helzberg Diamonds lists it at HK$28,729. 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

1.01
Carat
G
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 1423732075
Dimensions6.45 × 6.42 × 3.97 mm
L/W Ratio1.00
Star length55%
Lower girdle75%
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp, Feather, Crystal
Top View
6.45 mm6.42 mm1.01 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1423732075
Side View
Table 57.0%Crown 34.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.8%

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$28,729 HKD|Low: HK$10,128 HKD|High: HK$29,294 HKD|Avg: HK$16,829 HKD|-1.9%
Helzberg Diamonds
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
November 4, 2026
Retailer 2HK$10,128 HKD
Retailer 16HK$10,160 HKD
Retailer 15HK$10,207 HKD
Retailer 14HK$12,066 HKD
Retailer 9HK$12,074 HKD
Retailer 5HK$12,803 HKD
Retailer 3HK$13,345 HKD
Retailer 11HK$14,490 HKD
Retailer 10HK$15,275 HKD
Retailer 4HK$16,012 HKD
Retailer 12HK$16,357 HKD
Retailer 8HK$18,617 HKD
Retailer 13HK$20,154 HKD
Retailer 6HK$20,617 HKD
Retailer 7HK$26,666 HKD
Helzberg DiamondsHK$28,729 HKD

31 data points across 16 retailers

12 retailersHK$10,128 HKD to HK$28,729 HKD

A
Cheapest Retailer
-
HK$10,128 HKD
A
Retailer 2
-
HK$10,160 HKD
View
Final sale: no returns
A
Retailer 3
-
HK$10,207 HKD
View
A
Retailer 4
-
HK$12,066 HKD
View
A
Retailer 5
-
HK$12,074 HKD
View
Retailer 6
-
HK$12,803 HKD
View
Price last confirmed 27 days ago
Retailer 7
-
HK$13,345 HKD
View
Price last confirmed 27 days ago
A
Retailer 8
-
HK$14,490 HKD
View
A
Retailer 9
-
HK$15,275 HKD
View
A
Retailer 10
-
HK$16,357 HKD
View
A
Retailer 11
-
HK$20,154 HKD
View
Most Expensive
B+
Helzberg Diamonds
XZRLIKIGNHGLI · Nov 6
HK$28,729 HKD
$3,662 USD
View
11 more retailers have this diamond
Prices start from HK$10,128 HKDSave up to HK$18,601 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
1.01ct Round
HK$10,128 HKD