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Oval|Natural|IGI

1.21ct K SI2 Oval Natural Diamond

GD • K/SI2 • IGI 508118603

Shape and cutting style on the report: Oval brilliant

Certificate IGI 508118603

Diamond specifications and retailer prices

From HK$11,787 HKD
As of November 6, 2026
Save HK$22,603 HKD (66%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: HK$34,391 HKD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.21ct natural oval diamond

This 1.21ct natural oval sits in the classic one-carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included), with a standard cut grade and certified by IGI 508118603. Listed at 11 retailers as of November 5, 2026, with prices from HK$11,787 to HK$34,391, a HK$22,603 spread on the same certified stone. NZ Jewellers lists it at HK$34,391. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.21
Carat
K
Colour
SI2
Clarity
Good
Cut

Specifications

CutGood
PolishVery Good
SymmetryVery Good
FluorescenceFaint
Crown angle43.4°
Pavilion angle38.2°
OriginNatural
Grading LabIGI
CertificateIGI 508118603
Dimensions7.89 × 5.98 × 3.76 mm
L/W Ratio1.32
Girdle conditionFaceted
Culet sizePointed
Top View
7.89 mm5.98 mm1.21 ctK / SI2
OriginNatural
CutGood
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateIGI 508118603
Side View
Table 58.0%Crown 43.4°Girdle: MED-STKPavilion 38.2°Culet: NoneDepth 62.9%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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$34,391 HKD|Low: HK$11,787 HKD|High: HK$34,391 HKD|Avg: HK$19,634 HKD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 2HK$11,787 HKD
Retailer 8HK$14,868 HKD
Retailer 7HK$15,016 HKD
Retailer 5HK$15,126 HKD
Retailer 9HK$16,451 HKD
Retailer 6HK$17,211 HKD
Retailer 10HK$18,982 HKD
Retailer 3HK$22,344 HKD
Retailer 4HK$28,740 HKD
NZ JewellersHK$34,391 HKD

41 data points across 10 retailers

11 retailersHK$11,787 HKD to HK$34,391 HKD

B+
Cheapest Retailer
-
HK$11,787 HKD
B+
Retailer 2
-
HK$15,016 HKD
View
B+
Retailer 3
-
HK$15,126 HKD
View
Retailer 4
-
HK$16,451 HKD
View
Price last confirmed 8 days ago
B
Retailer 5
-
HK$16,451 HKD
View
B
Retailer 6
-
HK$17,211 HKD
View
B
Retailer 7
-
HK$17,532 HKD
View
B
Retailer 8
-
HK$18,982 HKD
View
B
Retailer 9
-
HK$22,344 HKD
View
C
Retailer 10
-
HK$28,740 HKD
View
Most Expensive
C
NZ Jewellers
b324f108-aa85-437c-be58-3bc65136f93e · Nov 5
HK$34,391 HKD
$4,388 USD
View
10 more retailers have this diamond
Prices start from HK$11,787 HKDSave up to HK$22,603 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.

B+
1.21ct Oval
HK$11,787 HKD