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Oval|Natural|GIA

1.20ct I SI1 Oval Natural Diamond

ID • I/SI1 • GIA 6521715530

Certificate GIA 6521715530

Diamond specifications and retailer prices

From HK$18,755 HKD
As of November 6, 2026
Save HK$23,794 HKD (56%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: HK$42,549 HKD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.2ct natural oval diamond

This 1.2ct 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 6521715530. Listed at 21 retailers as of November 5, 2026, with prices from HK$18,755 to HK$42,549, a HK$23,794 spread on the same certified stone. NZ Jewellers lists it at HK$42,549. 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

1.20
Carat
I
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6521715530
Dimensions8.25 × 5.99 × 3.75 mm
L/W Ratio1.38
Top View
8.25 mm5.99 mm1.20 ctI / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6521715530
Side View
Table 61.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 62.6%

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$42,549 HKD|Low: HK$18,755 HKD|High: HK$43,302 HKD|Avg: HK$27,690 HKD|-1.7%
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
Retailer 19
Retailer 20
November 6, 2026
Retailer 8HK$18,755 HKD
Retailer 2HK$19,492 HKD
Retailer 6HK$22,384 HKD
Retailer 17HK$22,493 HKD
Retailer 10HK$22,540 HKD
Retailer 19HK$23,512 HKD
Retailer 13HK$23,692 HKD
Retailer 5HK$24,421 HKD
Retailer 11HK$24,852 HKD
Retailer 15HK$25,119 HKD
Retailer 20HK$25,362 HKD
Retailer 4HK$25,542 HKD
Retailer 14HK$26,130 HKD
Retailer 7HK$26,412 HKD
Retailer 9HK$28,183 HKD
Retailer 3HK$28,583 HKD
Retailer 12HK$28,630 HKD
Retailer 16HK$29,806 HKD
Retailer 18HK$40,739 HKD
NZ JewellersHK$42,549 HKD

22 data points across 20 retailers

21 retailersHK$18,755 HKD to HK$42,549 HKD

A
Cheapest Retailer
-
HK$18,755 HKD
A
Retailer 2
-
HK$19,492 HKD
View
B+
Retailer 3
-
HK$22,384 HKD
View
B+
Retailer 4
-
HK$22,493 HKD
View
B+
Retailer 5
-
HK$22,540 HKD
View
Final sale: no returns
B+
Retailer 6
-
HK$23,512 HKD
View
B+
Retailer 7
-
HK$23,677 HKD
View
B+
Retailer 8
-
HK$23,692 HKD
View
B+
Retailer 9
-
HK$24,421 HKD
View
Retailer 10
-
HK$24,852 HKD
View
Price last confirmed 13 days ago
B+
Retailer 11
-
HK$25,119 HKD
View
B+
Retailer 12
-
HK$25,362 HKD
View
B+
Retailer 13
-
HK$25,542 HKD
View
B+
Retailer 14
-
HK$26,130 HKD
View
B+
Retailer 15
-
HK$26,412 HKD
View
Retailer 16
-
HK$26,874 HKD
View
Price last confirmed 34 days ago
B+
Retailer 17
-
HK$28,183 HKD
View
B+
Retailer 18
-
HK$28,583 HKD
View
B+
Retailer 19
-
HK$29,806 HKD
View
B
Retailer 20
-
HK$40,739 HKD
View
Most Expensive
B
NZ Jewellers
4acfd102-0c1c-4864-8d6f-9646c81ca9b4 · Nov 5
HK$42,549 HKD
$5,429 USD
View
20 more retailers have this diamond
Prices start from HK$18,755 HKDSave up to HK$23,794 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
1.20ct Oval
HK$18,755 HKD