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Oval|Natural|GIA

1.21ct I SI1 Oval Natural Diamond

EX • I/SI1 • GIA 2537021463

Certificate GIA 2537021463

Diamond specifications and retailer prices

From HK$24,586 HKD
As of November 4, 2026
Save HK$34,124 HKD (58%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: HK$58,710 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 I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2537021463. Listed at 20 retailers as of November 4, 2026, with prices from HK$24,586 to HK$58,710, a HK$34,124 spread on the same certified stone. NZ Jewellers lists it at HK$58,710. 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

1.21
Carat
I
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2537021463
Dimensions8.61 × 5.74 × 3.67 mm
L/W Ratio1.50
Top View
8.61 mm5.74 mm1.21 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2537021463
Side View
Table 62.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 63.9%

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 4
Current: HK$33,928 HKD|Low: HK$24,586 HKD|High: HK$54,313 HKD|Avg: HK$35,492 HKD|+1.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 7HK$24,586 HKD
Retailer 3HK$26,859 HKD
Retailer 11HK$28,175 HKD
Retailer 2HK$29,155 HKD
Retailer 4HK$31,702 HKD
Retailer 9HK$33,215 HKD
Retailer 1HK$33,928 HKD
Retailer 12HK$35,934 HKD
Retailer 8HK$38,129 HKD
Retailer 5HK$41,131 HKD
Retailer 10HK$48,709 HKD
Retailer 6HK$53,529 HKD

45 data points across 12 retailers

20 retailersHK$24,586 HKD to HK$58,710 HKD

B+
Cheapest Retailer
-
HK$24,586 HKD
B+
Retailer 2
-
HK$26,859 HKD
View
B
Retailer 3
-
HK$28,175 HKD
View
Final sale: no returns
B+
Retailer 4
-
HK$29,155 HKD
View
Retailer 5
-
HK$30,527 HKD
View
Price last confirmed 9 days ago
B
Retailer 6
-
HK$30,527 HKD
View
B
Retailer 7
-
HK$31,702 HKD
View
B
Retailer 8
-
HK$33,215 HKD
View
B
Retailer 9
-
HK$33,928 HKD
View
B
Retailer 10
-
HK$34,485 HKD
View
B
Retailer 11
-
HK$34,485 HKD
View
B
Retailer 12
-
HK$35,221 HKD
View
B
Retailer 13
-
HK$35,582 HKD
View
B
Retailer 14
-
HK$35,590 HKD
View
Retailer 15
-
HK$35,934 HKD
View
Price last confirmed 29 days ago
B
Retailer 16
-
HK$38,129 HKD
View
B
Retailer 17
-
HK$41,131 HKD
View
B
Retailer 18
-
HK$48,709 HKD
View
B
Retailer 19
-
HK$53,529 HKD
View
Most Expensive
B
NZ Jewellers
81d4bb3b-4d45-438a-afe8-31a16914d4ec · Nov 5
HK$58,710 HKD
$7,491 USD
View
19 more retailers have this diamond
Prices start from HK$24,586 HKDSave up to HK$34,124 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$24,586 HKD