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Round|Natural|GIA

1.02ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 1375710423

Certificate GIA 1375710423

Diamond specifications and retailer prices

From HK$16,459 HKD
As of November 1, 2026
Save HK$26,428 HKD (62%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: HK$42,886 HKD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.02ct natural round diamond

This 1.02ct natural round sits in the classic one-carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1375710423. Listed at 13 retailers as of November 1, 2026, with prices from HK$16,459 to HK$42,886, a HK$26,428 spread on the same certified stone. NZ Jewellers lists it at HK$42,886. 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

1.02
Carat
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 1375710423
Dimensions6.51 × 6.47 × 3.99 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Girdle conditionFaceted
Culet sizeNone
Cert comments
Clouds, pinpoints and surface graining are not shown.
Top View
6.51 mm6.47 mm1.02 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1375710423
Side View
Table 60.0%Crown 33°Girdle: MED-STKPavilion 41.8°Culet: NoneDepth 61.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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$21,576 HKD|Low: HK$16,459 HKD|High: HK$36,366 HKD|Avg: HK$22,200 HKD|+2.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 6HK$16,459 HKD
Retailer 9HK$16,780 HKD
Retailer 8HK$17,924 HKD
Retailer 7HK$18,535 HKD
Retailer 2HK$19,437 HKD
Retailer 10HK$19,970 HKD
Retailer 1HK$21,576 HKD
Retailer 3HK$25,033 HKD
Retailer 4HK$25,448 HKD
Retailer 5HK$35,840 HKD

44 data points across 10 retailers

13 retailersHK$16,459 HKD to HK$42,886 HKD

B+
Cheapest Retailer
-
HK$16,459 HKD
B+
Retailer 2
-
HK$16,780 HKD
View
B+
Retailer 3
-
HK$17,924 HKD
View
B
Retailer 4
-
HK$18,535 HKD
View
B
Retailer 5
-
HK$18,582 HKD
View
Retailer 6
-
HK$18,582 HKD
View
Price last confirmed 8 days ago
B
Retailer 7
-
HK$19,437 HKD
View
B
Retailer 8
-
HK$21,443 HKD
View
B
Retailer 9
-
HK$21,576 HKD
View
B
Retailer 10
-
HK$25,033 HKD
View
B
Retailer 11
-
HK$25,448 HKD
View
B
Retailer 12
-
HK$35,840 HKD
View
Most Expensive
B
NZ Jewellers
c17f7fe0-5094-48ee-a955-905dd99e7998 · Nov 5
HK$42,886 HKD
$5,472 USD
View
12 more retailers have this diamond
Prices start from HK$16,459 HKDSave up to HK$26,428 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.

B+
1.02ct Round
HK$16,459 HKD