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Oval|Natural|GIA

0.90ct K SI1 Oval Natural Diamond

EX • K/SI1 • GIA 1515657312

Certificate GIA 1515657312

Diamond specifications and retailer prices

From HK$4,914 HKD
As of November 6, 2026
Save HK$13,520 HKD (73%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$18,434 HKD at NZ Jewellers · As of November 5, 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 1515657312. Listed at 16 retailers as of November 5, 2026, with prices from HK$4,914 to HK$18,434, a HK$13,520 spread on the same certified stone. NZ Jewellers lists it at HK$18,434. 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
SymmetryVery Good
FluorescenceFaint
Crown angle40.16°
Pavilion angle40°
OriginNatural
Grading LabGIA
CertificateGIA 1515657312
Dimensions7.66 × 5.25 × 3.37 mm
L/W Ratio1.46
Culet sizeNone
Key to symbols
Crystal
Top View
7.66 mm5.25 mm0.90 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 1515657312
Side View
Table 61.0%Crown 40.16°Girdle: STK-VTKPavilion 40°Culet: NoneDepth 64.2%

Caratlytics Score

How it works →
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$18,434 HKD|Low: HK$4,977 HKD|High: HK$18,434 HKD|Avg: HK$8,216 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
November 6, 2026
Retailer 9HK$5,008 HKD
Retailer 12HK$5,721 HKD
Retailer 5HK$5,878 HKD
Retailer 13HK$5,878 HKD
Retailer 6HK$6,043 HKD
Retailer 3HK$6,105 HKD
Retailer 8HK$6,356 HKD
Retailer 4HK$6,779 HKD
Retailer 2HK$7,156 HKD
Retailer 7HK$8,292 HKD
Retailer 10HK$8,605 HKD
Retailer 11HK$10,745 HKD
NZ JewellersHK$18,434 HKD

43 data points across 13 retailers

16 retailersHK$4,914 HKD to HK$18,434 HKD

A
Cheapest Retailer
-
HK$4,914 HKD
A
Retailer 2
-
HK$5,008 HKD
View
A
Retailer 3
-
HK$5,721 HKD
View
A
Retailer 4
-
HK$5,878 HKD
View
Retailer 5
-
HK$5,878 HKD
View
Price last confirmed 8 days ago
A
Retailer 6
-
HK$5,972 HKD
View
A
Retailer 7
-
HK$6,043 HKD
View
A
Retailer 8
-
HK$6,105 HKD
View
A
Retailer 9
-
HK$6,356 HKD
View
A
Retailer 10
-
HK$6,779 HKD
View
A
Retailer 11
-
HK$7,156 HKD
View
B+
Retailer 12
-
HK$8,151 HKD
View
B+
Retailer 13
-
HK$8,292 HKD
View
B+
Retailer 14
-
HK$8,605 HKD
View
B+
Retailer 15
-
HK$10,745 HKD
View
Most Expensive
B
NZ Jewellers
655b4daf-6264-4c7e-9924-30d07812fd9f · Nov 5
HK$18,434 HKD
$2,352 USD
View
15 more retailers have this diamond
Prices start from HK$4,914 HKDSave up to HK$13,520 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$4,914 HKD