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1.38ct K SI1 Round Natural Diamond

EX • K/SI1 • IGI 803673758

Shape and cutting style on the report: Round brilliant

Certificate IGI 803673758

Diamond specifications and retailer prices

From HK$8,018 HKD
As of November 6, 2026
Save HK$10,960 HKD (58%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: HK$25,340 HKD at NZ Jewellers · As of September 28, 2026
View at NZ Jewellers

About this 1.38ct natural round diamond

This 1.38ct natural round sits in the one-and-a-quarter to one-and-a-half carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI 803673758. Listed at 15 retailers as of November 4, 2026, with a 137% 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

1.38
Carat
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle40.8°
OriginNatural
Grading LabIGI
CertificateIGI 803673758
Dimensions7.01 × 7.05 × 4.44 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
7.01 mm7.05 mm1.38 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 803673758
Side View
Table 58.0%Crown 36.4°Girdle: Slightly ThickPavilion 40.8°CuletDepth 63.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: HK$8,018 HKD|Low: HK$8,018 HKD|High: HK$19,252 HKD|Avg: HK$12,649 HKD|-4.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 1HK$8,018 HKD
Retailer 2HK$9,940 HKD
Retailer 3HK$11,878 HKD
Retailer 5HK$12,678 HKD
Retailer 4HK$14,388 HKD
Retailer 6HK$18,978 HKD

28 data points across 6 retailers

15 retailersHK$8,018 HKD to HK$18,978 HKD

A
Cheapest Retailer
-
HK$8,018 HKD
A
Retailer 2
-
HK$9,626 HKD
View
Retailer 3
-
HK$9,712 HKD
View
Price last confirmed 95 days ago
A
Retailer 4
-
HK$9,940 HKD
View
Retailer 5
-
HK$10,387 HKD
View
Price last confirmed 39 days ago
A
Retailer 6
-
HK$10,387 HKD
View
A
Retailer 7
-
HK$10,866 HKD
View
A
Retailer 8
-
HK$11,258 HKD
View
A
Retailer 9
-
HK$11,446 HKD
View
A
Retailer 10
-
HK$11,878 HKD
View
Retailer 11
-
HK$11,987 HKD
View
Price last confirmed 38 days ago
A
Retailer 12
-
HK$12,678 HKD
View
A
Retailer 13
-
HK$14,388 HKD
View
B+
Retailer 14
-
HK$18,978 HKD
View
Most Expensive
NZ Jewellers
dc844f1f-de57-4bcf-be38-166344c237f0 · Sep 28
HK$25,340 HKD
$3,230 USD
View
Price last confirmed 39 days ago
14 more retailers have this diamond
Prices start from HK$8,018 HKDSave up to HK$10,960 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
1.38ct Round
HK$8,018 HKD