Radiant|Natural|GIA

1.26ct J SI1 Radiant Natural Diamond

EX • J/SI1 • GIA 5231926519

Certificate GIA 5231926519

Diamond specifications and retailer prices

From HK$16,490 HKD
As of November 7, 2026
8 retailers carry this diamond
Most expensive: HK$36,828 HKD at NZ Jewellers · As of October 6, 2026
View at NZ Jewellers

About this 1.26ct natural radiant diamond

This 1.26ct natural radiant sits in the one-and-a-quarter to one-and-a-half carat band, graded J 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 5231926519. Listed at 8 retailers as of November 7, 2026. 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

1.26
Carat
J
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle56.87°
OriginNatural
Grading LabGIA
CertificateGIA 5231926519
Dimensions7.44 × 5.35 × 3.72 mm
L/W Ratio1.39
Top View
7.44 mm5.35 mm1.26 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5231926519
Side View
Table 64.0%CrownGirdle: ThickPavilion 56.87°Culet: NoneDepth 69.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 7
Current: HK$15,181 HKD|Low: HK$10,933 HKD|High: HK$27,541 HKD|Avg: HK$18,244 HKD|-4.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 12, 2026
Retailer 4HK$10,933 HKD
Retailer 3HK$14,342 HKD
Retailer 1HK$15,181 HKD
Retailer 6HK$16,490 HKD
Retailer 7HK$21,200 HKD
Retailer 5HK$23,120 HKD
Retailer 2HK$26,381 HKD

13 data points across 7 retailers

8 retailers

Retailer 1
-
HK$10,933 HKD
Price last confirmed 27 days ago
Retailer 2
-
HK$15,095 HKD
View
Price last confirmed 31 days ago
Retailer 3
-
HK$15,181 HKD
View
Price last confirmed 25 days ago
Retailer 4
-
HK$16,027 HKD
View
Price last confirmed 38 days ago
A
Retailer 5
-
HK$16,490 HKD
View
Retailer 6
-
HK$23,120 HKD
View
Price last confirmed 28 days ago
Retailer 7
-
HK$26,381 HKD
View
Price last confirmed 26 days ago
Most Expensive
NZ Jewellers
dbefcf07-1e6c-4a59-9fcc-68a052498408 · Oct 6
HK$36,828 HKD
$4,699 USD
View
Price last confirmed 31 days ago
7 more retailers have this diamond
Prices start from HK$16,490 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
1.26ct Radiant
HK$16,490 HKD