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Oval|Natural|GIA

1.21ct I SI1 Oval Natural Diamond

EX • I/SI1 • GIA 2235885504

Certificate GIA 2235885504

Diamond specifications and retailer prices

From HK$13,441 HKD
As of November 6, 2026
Save HK$24,821 HKD (65%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: HK$38,262 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 2235885504. Listed at 14 retailers as of November 5, 2026, with prices from HK$13,441 to HK$38,262, a HK$24,821 spread on the same certified stone. NZ Jewellers lists it at HK$38,262. 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
Pavilion angle36.97°
OriginNatural
Grading LabGIA
CertificateGIA 2235885504
Dimensions8.16 × 5.87 × 3.82 mm
L/W Ratio1.39
Key to symbols
Crystal, Feather, Needle
Top View
8.16 mm5.87 mm1.21 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2235885504
Side View
Table 59.0%CrownGirdle: STK-THKPavilion 36.97°Culet: NoneDepth 65.1%

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$38,262 HKD|Low: HK$13,441 HKD|High: HK$40,684 HKD|Avg: HK$22,993 HKD|-6.0%
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
November 6, 2026
Retailer 13HK$13,441 HKD
Retailer 4HK$17,086 HKD
Retailer 5HK$17,368 HKD
Retailer 2HK$17,752 HKD
Retailer 3HK$18,300 HKD
Retailer 6HK$18,708 HKD
Retailer 12HK$19,147 HKD
Retailer 9HK$19,382 HKD
Retailer 11HK$20,072 HKD
Retailer 7HK$22,760 HKD
Retailer 10HK$27,893 HKD
Retailer 8HK$31,977 HKD
NZ JewellersHK$38,262 HKD

31 data points across 13 retailers

14 retailersHK$13,441 HKD to HK$38,262 HKD

A
Cheapest Retailer
-
HK$13,441 HKD
A
Retailer 2
-
HK$17,086 HKD
View
A
Retailer 3
-
HK$17,368 HKD
View
Final sale: no returns
A
Retailer 4
-
HK$17,752 HKD
View
A
Retailer 5
-
HK$18,300 HKD
View
A
Retailer 6
-
HK$18,708 HKD
View
A
Retailer 7
-
HK$19,147 HKD
View
B+
Retailer 8
-
HK$19,382 HKD
View
A
Retailer 9
-
HK$20,072 HKD
View
B+
Retailer 10
-
HK$20,769 HKD
View
B+
Retailer 11
-
HK$22,760 HKD
View
B+
Retailer 12
-
HK$27,893 HKD
View
B
Retailer 13
-
HK$31,977 HKD
View
Most Expensive
B
NZ Jewellers
f2c76e6b-8d0f-4960-8497-6b0627693bb3 · Nov 5
HK$38,262 HKD
$4,882 USD
View
13 more retailers have this diamond
Prices start from HK$13,441 HKDSave up to HK$24,821 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
1.21ct Oval
HK$13,441 HKD