Round|Natural|GIA

1.00ct G SI1 Round Natural Diamond

EX • G/SI1 • GIA 5553372344

Certificate GIA 5553372344

Diamond specifications and retailer prices

From HK$18,876 HKD
As of November 5, 2026
Save HK$11,517 HKD (38%) vs most expensive(unlock to see where)
28 retailers carry this diamond
Most expensive: HK$44,090 HKD at NZ Jewellers · As of October 9, 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 5553372344. Listed at 28 retailers as of November 5, 2026, with a 61% 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
G
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 5553372344
Dimensions6.40 × 6.35 × 3.99 mm
L/W Ratio1.01
Star length50%
Culet sizeNone
Key to symbols
Cloud, Crystal, Needle
Top View
6.40 mm6.35 mm1.00 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5553372344
Side View
Table 58.0%Crown 34.5°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 62.6%

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 5
Current: HK$44,090 HKD|Low: HK$16,836 HKD|High: HK$51,308 HKD|Avg: HK$26,039 HKD
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 6, 2026
Retailer 8HK$16,836 HKD
Retailer 7HK$17,612 HKD
Retailer 3HK$18,876 HKD
Retailer 15HK$19,221 HKD
Retailer 11HK$19,378 HKD
Retailer 9HK$19,495 HKD
Retailer 12HK$19,841 HKD
Retailer 21HK$20,829 HKD
Retailer 14HK$21,763 HKD
Retailer 18HK$22,084 HKD
Retailer 13HK$23,826 HKD
Retailer 4HK$24,383 HKD
Retailer 10HK$25,112 HKD
Retailer 19HK$25,607 HKD
Retailer 5HK$25,654 HKD
Retailer 23HK$25,654 HKD
Retailer 17HK$26,517 HKD
Retailer 20HK$27,286 HKD
Retailer 16HK$28,839 HKD
Retailer 2HK$29,529 HKD
Retailer 22HK$30,392 HKD
Retailer 6HK$40,387 HKD
NZ JewellersHK$44,090 HKD

19 data points across 23 retailers

28 retailersHK$18,876 HKD to HK$30,392 HKD

Retailer 1
-
HK$16,836 HKD
Price last confirmed 9 days ago
Retailer 2
-
HK$17,612 HKD
View
Price last confirmed 8 days ago
A
Retailer 3
-
HK$18,876 HKD
View
Retailer 4
-
HK$19,221 HKD
View
Price last confirmed 16 days ago
Retailer 5
-
HK$19,378 HKD
View
Price last confirmed 11 days ago
Retailer 6
-
HK$19,495 HKD
View
Price last confirmed 9 days ago
Retailer 7
-
HK$19,841 HKD
View
Price last confirmed 10 days ago
A
Retailer 8
-
HK$20,829 HKD
View
Final sale: no returns
Retailer 9
-
HK$21,763 HKD
View
Price last confirmed 12 days ago
Retailer 10
-
HK$21,763 HKD
View
Price last confirmed 11 days ago
B+
Retailer 11
-
HK$22,084 HKD
View
Retailer 12
-
HK$22,602 HKD
View
Price last confirmed 12 days ago
Retailer 13
-
HK$22,924 HKD
View
Price last confirmed 25 days ago
Retailer 14
-
HK$22,924 HKD
View
Price last confirmed 28 days ago
B+
Retailer 15
-
HK$23,826 HKD
View
B+
Retailer 16
-
HK$24,383 HKD
View
Retailer 17
-
HK$25,112 HKD
View
Price last confirmed 10 days ago
B+
Retailer 18
-
HK$25,607 HKD
View
B+
Retailer 19
-
HK$25,654 HKD
View
B+
Retailer 20
-
HK$25,654 HKD
View
Retailer 21
-
HK$26,454 HKD
View
Price last confirmed 28 days ago
B+
Retailer 22
-
HK$26,517 HKD
View
B+
Retailer 23
-
HK$27,286 HKD
View
Retailer 24
-
HK$28,839 HKD
View
Price last confirmed 24 days ago
Retailer 25
-
HK$29,529 HKD
View
B+
Retailer 26
-
HK$30,392 HKD
View
Retailer 27
-
HK$40,387 HKD
View
Price last confirmed 8 days ago
Most Expensive
NZ Jewellers
be185f9c-4bed-42f0-a803-0f81cb0430b9 · Oct 9
HK$44,090 HKD
$5,620 USD
View
Price last confirmed 28 days ago
27 more retailers have this diamond
Prices start from HK$18,876 HKDSave up to HK$11,517 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$18,876 HKD