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Round|Natural|GIA

1.03ct E SI1 Round Natural Diamond

EX • E/SI1 • GIA 6521400356

Certificate GIA 6521400356

Diamond specifications and retailer prices

From HK$20,986 HKD
As of November 4, 2026
Save HK$25,991 HKD (55%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: HK$50,947 HKD at NZ Jewellers · As of September 19, 2026
View at NZ Jewellers

About this 1.03ct natural round diamond

This 1.03ct natural round sits in the classic one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6521400356. Listed at 19 retailers as of November 4, 2026, with a 124% 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

1.03
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6521400356
Dimensions6.47 × 6.44 × 4.00 mm
L/W Ratio1.00
Star length50%
Lower girdle75%
Top View
6.47 mm6.44 mm1.03 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6521400356
Side View
Table 57.0%Crown 35°Girdle: MD-STKPavilion 40.8°Culet: NoneDepth 62.0%

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 4
Current: HK$49,072 HKD|Low: HK$20,884 HKD|High: HK$50,947 HKD|Avg: HK$31,476 HKD|-3.7%
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
November 6, 2026
Retailer 12HK$20,986 HKD
Retailer 6HK$25,003 HKD
Retailer 11HK$25,340 HKD
Retailer 14HK$25,991 HKD
Retailer 13HK$27,066 HKD
Retailer 5HK$28,164 HKD
Retailer 2HK$28,972 HKD
Retailer 7HK$29,247 HKD
Retailer 3HK$29,302 HKD
Retailer 15HK$30,173 HKD
Retailer 4HK$32,503 HKD
Retailer 10HK$32,864 HKD
Retailer 8HK$34,378 HKD
Retailer 9HK$46,977 HKD
NZ JewellersHK$49,072 HKD

40 data points across 15 retailers

19 retailersHK$20,986 HKD to HK$46,977 HKD

A
Cheapest Retailer
-
HK$20,986 HKD
A
Retailer 2
-
HK$25,003 HKD
View
A
Retailer 3
-
HK$25,340 HKD
View
B+
Retailer 4
-
HK$25,991 HKD
View
Final sale: no returns
B+
Retailer 5
-
HK$27,066 HKD
View
Retailer 6
-
HK$28,164 HKD
View
Price last confirmed 15 days ago
Retailer 7
-
HK$28,164 HKD
View
Price last confirmed 21 days ago
B+
Retailer 8
-
HK$28,972 HKD
View
Retailer 9
-
HK$29,247 HKD
View
Price last confirmed 10 days ago
Retailer 10
-
HK$29,255 HKD
View
Price last confirmed 22 days ago
B+
Retailer 11
-
HK$29,302 HKD
View
Retailer 12
-
HK$30,173 HKD
View
Price last confirmed 29 days ago
Retailer 13
-
HK$32,503 HKD
View
Price last confirmed 16 days ago
B+
Retailer 14
-
HK$32,864 HKD
View
Retailer 15
-
HK$33,742 HKD
View
Price last confirmed 45 days ago
B+
Retailer 16
-
HK$34,378 HKD
View
B
Retailer 17
-
HK$46,977 HKD
View
Retailer 18
-
HK$49,072 HKD
View
Price last confirmed 17 days ago
Most Expensive
NZ Jewellers
4099b7e5-b132-43e6-bac6-add96e1d642a · Sep 19
HK$50,947 HKD
$6,494 USD
View
Price last confirmed 47 days ago
18 more retailers have this diamond
Prices start from HK$20,986 HKDSave up to HK$25,991 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
1.03ct Round
HK$20,986 HKD