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Oval|Natural|GIA

0.90ct K SI1 Oval Natural Diamond

EX • K/SI1 • GIA 2556659597

Certificate GIA 2556659597

Diamond specifications and retailer prices

From HK$4,710 HKD
As of November 6, 2026
Save HK$15,698 HKD (77%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: HK$21,043 HKD at NZ Jewellers · As of October 14, 2026
View at NZ Jewellers

About this 0.9ct natural oval diamond

This 0.9ct natural oval sits in the just-under-one-carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2556659597. Listed at 20 retailers as of November 2, 2026, with a 333% 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

0.90
Carat
K
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2556659597
Dimensions7.37 × 5.52 × 3.37 mm
L/W Ratio1.34
Top View
7.37 mm5.52 mm0.90 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2556659597
Side View
Table 55.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 60.9%

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: Nov 6
Current: HK$20,409 HKD|Low: HK$4,710 HKD|High: HK$21,043 HKD|Avg: HK$8,781 HKD|-3.0%
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
Retailer 17
Retailer 18
November 5, 2026
Retailer 13HK$4,710 HKD
Retailer 2HK$6,270 HKD
Retailer 11HK$6,395 HKD
Retailer 4HK$6,505 HKD
Retailer 6HK$6,505 HKD
Retailer 5HK$6,756 HKD
Retailer 10HK$6,952 HKD
Retailer 8HK$7,093 HKD
Retailer 14HK$7,273 HKD
Retailer 9HK$7,344 HKD
Retailer 7HK$7,383 HKD
Retailer 16HK$7,508 HKD
Retailer 3HK$7,547 HKD
Retailer 17HK$9,185 HKD
Retailer 18HK$9,530 HKD
Retailer 15HK$11,529 HKD
Retailer 12HK$12,101 HKD
NZ JewellersHK$20,409 HKD

27 data points across 18 retailers

20 retailersHK$4,710 HKD to HK$20,409 HKD

A
Cheapest Retailer
-
HK$4,710 HKD
A
Retailer 2
-
HK$6,270 HKD
View
A
Retailer 3
-
HK$6,395 HKD
View
Retailer 4
-
HK$6,505 HKD
View
Price last confirmed 8 days ago
A
Retailer 5
-
HK$6,505 HKD
View
Retailer 6
-
HK$6,709 HKD
View
Price last confirmed 23 days ago
A
Retailer 7
-
HK$6,756 HKD
View
Retailer 8
-
HK$6,952 HKD
View
Price last confirmed 10 days ago
A
Retailer 9
-
HK$7,093 HKD
View
A
Retailer 10
-
HK$7,273 HKD
View
A
Retailer 11
-
HK$7,344 HKD
View
A
Retailer 12
-
HK$7,383 HKD
View
A
Retailer 13
-
HK$7,508 HKD
View
A
Retailer 14
-
HK$7,547 HKD
View
B+
Retailer 15
-
HK$9,185 HKD
View
B+
Retailer 16
-
HK$9,530 HKD
View
B+
Retailer 17
-
HK$11,529 HKD
View
B+
Retailer 18
-
HK$12,101 HKD
View
B
Retailer 19
-
HK$20,409 HKD
View
Most Expensive
NZ Jewellers
d30260a8-da44-4d58-bc63-da6f6745199f · Oct 14
HK$21,043 HKD
$2,685 USD
View
Price last confirmed 23 days ago
19 more retailers have this diamond
Prices start from HK$4,710 HKDSave up to HK$15,698 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
0.90ct Oval
HK$4,710 HKD