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Round|Natural|GIA

1.21ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 2564084734

Certificate GIA 2564084734

Diamond specifications and retailer prices

From HK$10,178 HKD
SGD 1,753 SGD
As of October 31, 2026
Save HK$9,311 HKD (48%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: HK$19,488 HKD at Wholesale Diamonds Direct · As of October 26, 2026
View at Wholesale Diamonds Direct

About this 1.21ct natural round diamond

This 1.21ct natural round sits in the classic one-carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2564084734. Listed at 13 retailers as of October 26, 2026, with prices from HK$10,178 to HK$19,488, a HK$9,311 spread on the same certified stone. Wholesale Diamonds Direct lists it at HK$19,488. 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
J
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 2564084734
Dimensions6.76 × 6.80 × 4.26 mm
L/W Ratio1.01
Culet sizeNone
Top View
6.76 mm6.80 mm1.21 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2564084734
Side View
Table 57.0%Crown 36.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.7%

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: Oct 31
Current: HK$13,087 HKD|Low: HK$10,178 HKD|High: HK$21,266 HKD|Avg: HK$14,489 HKD|+0.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Wholesale Diamonds Direct
October 31, 2026
Retailer 12HK$10,178 HKD
Retailer 8HK$11,824 HKD
Retailer 9HK$12,027 HKD
Retailer 10HK$12,043 HKD
Retailer 4HK$12,877 HKD
Retailer 1HK$13,087 HKD
Retailer 5HK$13,169 HKD
Retailer 11HK$13,181 HKD
Retailer 2HK$14,279 HKD
Retailer 6HK$15,444 HKD
Retailer 3HK$15,860 HKD
Retailer 7HK$16,715 HKD
Wholesale Diamonds DirectHK$19,488 HKD

29 data points across 13 retailers

13 retailersHK$10,178 HKD to HK$19,488 HKD

A
Cheapest Retailer
-
HK$10,178 HKD
SGD 1,753 SGD
A
Retailer 2
-
HK$11,824 HKD
$1,507 USD
View
A
Retailer 3
-
HK$12,027 HKD
$1,533 USD
View
A
Retailer 4
-
HK$12,043 HKD
$1,535 USD
View
A
Retailer 5
-
HK$12,877 HKD
SGD 2,218 SGD
View
A
Retailer 6
-
HK$13,087 HKD
$1,668 USD
View
A
Retailer 7
-
HK$13,169 HKD
£1,322 GBP
View
A
Retailer 8
-
HK$13,181 HKD
$1,680 USD
View
A
Retailer 9
-
HK$14,279 HKD
$1,820 USD
View
A
Retailer 10
-
HK$15,444 HKD
£1,550 GBP
View
A
Retailer 11
-
HK$15,860 HKD
$2,022 USD
View
B+
Retailer 12
-
HK$16,715 HKD
€2,029 EUR
View
Most Expensive
B+
Wholesale Diamonds Direct
570927854 · Oct 26
HK$19,488 HKD
$2,484 USD
View
12 more retailers have this diamond
Prices start from HK$10,178 HKDSave up to HK$9,311 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 Round
HK$10,178 HKD