Round|Natural|GIA

1.02ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 1236370974

Certificate GIA 1236370974

Diamond specifications and retailer prices

From HK$19,985 HKD
As of October 31, 2026
Save HK$26,117 HKD (57%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: HK$46,101 HKD at NZ Jewellers · As of October 30, 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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1236370974. Listed at 15 retailers as of October 30, 2026, with prices from HK$19,985 to HK$46,101, a HK$26,117 spread on the same certified stone. NZ Jewellers lists it at HK$46,101. 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
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 1236370974
Dimensions6.43 × 6.41 × 3.97 mm
L/W Ratio1.00
Star length55%
Lower girdle75%
Key to symbols
Crystal, Feather, Knot, Needle
Top View
6.43 mm6.41 mm1.02 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1236370974
Side View
Table 58.0%Crown 35.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 61.9%

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: Oct 31
Current: HK$46,101 HKD|Low: HK$19,884 HKD|High: HK$46,101 HKD|Avg: HK$31,185 HKD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 31, 2026
Retailer 4HK$19,985 HKD
Retailer 8HK$23,490 HKD
Retailer 9HK$24,424 HKD
Retailer 3HK$25,538 HKD
Retailer 11HK$27,476 HKD
Retailer 5HK$27,485 HKD
Retailer 10HK$28,269 HKD
Retailer 6HK$30,991 HKD
Retailer 2HK$32,525 HKD
Retailer 7HK$44,489 HKD
NZ JewellersHK$46,101 HKD

44 data points across 11 retailers

15 retailersHK$19,985 HKD to HK$46,101 HKD

A
Cheapest Retailer
-
HK$19,985 HKD
A
Retailer 2
-
HK$23,490 HKD
$2,994 USD
View
A
Retailer 3
-
HK$24,424 HKD
$3,113 USD
View
Final sale: no returns
B+
Retailer 4
-
HK$25,538 HKD
$3,255 USD
View
B+
Retailer 5
-
HK$26,464 HKD
$3,373 USD
View
B+
Retailer 6
-
HK$26,464 HKD
$3,373 USD
View
B+
Retailer 7
-
HK$27,476 HKD
$3,502 USD
View
B+
Retailer 8
-
HK$27,485 HKD
£2,758 GBP
View
B+
Retailer 9
-
HK$27,593 HKD
$3,517 USD
View
Retailer 10
-
HK$28,269 HKD
A$5,543 AUD
View
Price last confirmed 23 days ago
B+
Retailer 11
-
HK$30,535 HKD
$3,892 USD
View
B+
Retailer 12
-
HK$30,991 HKD
€3,762 EUR
View
B+
Retailer 13
-
HK$32,525 HKD
ZAR 66,973 ZAR
View
B
Retailer 14
-
HK$44,489 HKD
£4,465 GBP
View
Most Expensive
B
NZ Jewellers
c1f75fdc-853b-40e8-9dbe-3ee0c257e535 · Oct 30
HK$46,101 HKD
$5,876 USD
View
14 more retailers have this diamond
Prices start from HK$19,985 HKDSave up to HK$26,117 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
1.02ct Round
HK$19,985 HKD