CaratHunter
Plans
Oval|Natural|GIA

1.21ct G SI2 Oval Natural Diamond

EX • G/SI2 • GIA 2557610799

Certificate GIA 2557610799

Diamond specifications and retailer prices

From HK$17,681 HKD
As of November 5, 2026
Save HK$14,805 HKD (46%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: HK$32,486 HKD at Helzberg Diamonds · As of November 6, 2026
View at Helzberg Diamonds

About this 1.21ct natural oval diamond

This 1.21ct natural oval sits in the classic one-carat band, graded G colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2557610799. Listed at 14 retailers as of November 5, 2026, with prices from HK$17,681 to HK$32,486, a HK$14,805 spread on the same certified stone. Helzberg Diamonds lists it at HK$32,486. 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
G
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle38.61°
Pavilion angle39.97°
OriginNatural
Grading LabGIA
CertificateGIA 2557610799
Dimensions8.34 × 5.99 × 3.72 mm
L/W Ratio1.39
Culet sizeNone
Top View
8.34 mm5.99 mm1.21 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2557610799
Side View
Table 60.0%Crown 38.61°Girdle: STK-THKPavilion 39.97°Culet: NoneDepth 62.0%

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 5
Current: HK$32,486 HKD|Low: HK$17,579 HKD|High: HK$34,900 HKD|Avg: HK$23,125 HKD|-6.9%
Helzberg Diamonds
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$17,681 HKD
Retailer 12HK$17,814 HKD
Retailer 2HK$18,582 HKD
Retailer 11HK$18,904 HKD
Retailer 8HK$20,228 HKD
Retailer 5HK$20,589 HKD
Retailer 3HK$22,250 HKD
Retailer 10HK$22,728 HKD
Retailer 4HK$23,246 HKD
Retailer 6HK$23,716 HKD
Retailer 7HK$24,288 HKD
Retailer 13HK$31,005 HKD
Helzberg DiamondsHK$32,486 HKD

25 data points across 13 retailers

14 retailersHK$17,681 HKD to HK$32,486 HKD

A
Cheapest Retailer
-
HK$17,681 HKD
A
Retailer 2
-
HK$17,814 HKD
View
A
Retailer 3
-
HK$18,582 HKD
View
A
Retailer 4
-
HK$18,904 HKD
View
A
Retailer 5
-
HK$20,228 HKD
View
A
Retailer 6
-
HK$20,589 HKD
View
A
Retailer 7
-
HK$22,250 HKD
View
A
Retailer 8
-
HK$22,728 HKD
View
A
Retailer 9
-
HK$23,246 HKD
View
A
Retailer 10
-
HK$23,716 HKD
View
B+
Retailer 11
-
HK$24,288 HKD
View
B+
Retailer 12
-
HK$24,719 HKD
View
B+
Retailer 13
-
HK$31,005 HKD
View
Most Expensive
B+
Helzberg Diamonds
XZRILLNMHGNPP · Nov 6
HK$32,486 HKD
$4,145 USD
View
13 more retailers have this diamond
Prices start from HK$17,681 HKDSave up to HK$14,805 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$17,681 HKD