CaratHunter
Plans
Round|Natural|IGI

1.03ct F SI1 Round Natural Diamond

EX • F/SI1 • IGI 801639013

Shape and cutting style on the report: Round brilliant

Certificate IGI 801639013

Diamond specifications and retailer prices

From HK$15,575 HKD
$1,985 USD
As of November 1, 2026
Save HK$21,545 HKD (58%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$37,120 HKD at NZ Jewellers · As of November 2, 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 F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI 801639013. Listed at 16 retailers as of November 1, 2026, with prices from HK$15,575 to HK$37,120, a HK$21,545 spread on the same certified stone. NZ Jewellers lists it at HK$37,120. 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
F
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35.1°
Pavilion angle41°
OriginNatural
Grading LabIGI
CertificateIGI 801639013
Dimensions6.40 × 6.43 × 4.04 mm
L/W Ratio1.00
Girdle conditionFaceted
Top View
6.40 mm6.43 mm1.03 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 801639013
Side View
Table 56.0%Crown 35.1°Girdle: MED-STKPavilion 41°Culet: NoneDepth 63.0%

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 1
Current: HK$37,120 HKD|Low: HK$15,575 HKD|High: HK$37,120 HKD|Avg: HK$20,738 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
November 2, 2026
Retailer 6HK$15,575 HKD
Retailer 5HK$16,037 HKD
Retailer 7HK$16,383 HKD
Retailer 3HK$16,799 HKD
Retailer 2HK$17,082 HKD
Retailer 4HK$17,756 HKD
Retailer 14HK$17,756 HKD
Retailer 15HK$17,811 HKD
Retailer 16HK$18,572 HKD
Retailer 13HK$18,847 HKD
Retailer 9HK$19,709 HKD
Retailer 8HK$20,486 HKD
Retailer 12HK$21,823 HKD
Retailer 10HK$22,079 HKD
Retailer 11HK$31,109 HKD
NZ JewellersHK$37,120 HKD

8 data points across 16 retailers

16 retailersHK$15,575 HKD to HK$37,120 HKD

A
Cheapest Retailer
-
HK$15,575 HKD
$1,985 USD
A
Retailer 2
-
HK$16,037 HKD
$2,044 USD
View
A
Retailer 3
-
HK$16,383 HKD
$2,088 USD
View
Final sale: no returns
A
Retailer 4
-
HK$16,799 HKD
$2,141 USD
View
A
Retailer 5
-
HK$17,082 HKD
£1,714 GBP
View
A
Retailer 6
-
HK$17,756 HKD
$2,263 USD
View
A
Retailer 7
-
HK$17,756 HKD
$2,263 USD
View
A
Retailer 8
-
HK$17,811 HKD
$2,270 USD
View
A
Retailer 9
-
HK$18,572 HKD
$2,367 USD
View
A
Retailer 10
-
HK$18,847 HKD
$2,402 USD
View
A
Retailer 11
-
HK$19,709 HKD
£1,978 GBP
View
B+
Retailer 12
-
HK$20,486 HKD
$2,611 USD
View
B+
Retailer 13
-
HK$21,823 HKD
ZAR 44,933 ZAR
View
B+
Retailer 14
-
HK$22,079 HKD
€2,680 EUR
View
B+
Retailer 15
-
HK$31,109 HKD
£3,122 GBP
View
Most Expensive
B
NZ Jewellers
e1337ce9-913f-49c0-85d2-36b6ab1b47f3 · Nov 2
HK$37,120 HKD
$4,731 USD
View
15 more retailers have this diamond
Prices start from HK$15,575 HKDSave up to HK$21,545 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$15,575 HKD