Round|Natural|GIA

1.27ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 5242051392

Certificate GIA 5242051392

Diamond specifications and retailer prices

From HK$11,448 HKD
As of November 1, 2026
Save HK$26,666 HKD (70%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: HK$38,114 HKD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.27ct natural round diamond

This 1.27ct natural round sits in the one-and-a-quarter to one-and-a-half carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 5242051392. Listed at 8 retailers as of October 30, 2026, with prices from HK$11,448 to HK$38,114, a HK$26,666 spread on the same certified stone. NZ Jewellers lists it at HK$38,114. 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

1.27
Carat
J
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 5242051392
Dimensions6.84 × 6.89 × 4.31 mm
L/W Ratio1.01
Key to symbols
Crystal, Needle
Top View
6.84 mm6.89 mm1.27 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5242051392
Side View
Table 58.0%CrownGirdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.8%

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 1
Current: HK$38,114 HKD|Low: HK$11,348 HKD|High: HK$38,114 HKD|Avg: HK$21,217 HKD|+4.9%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 5HK$11,448 HKD
Retailer 2HK$15,037 HKD
Retailer 4HK$15,629 HKD
Retailer 7HK$16,711 HKD
Retailer 6HK$17,253 HKD
Retailer 3HK$21,015 HKD
Retailer 8HK$28,029 HKD
NZ JewellersHK$38,114 HKD

42 data points across 8 retailers

8 retailersHK$11,448 HKD to HK$38,114 HKD

A
Cheapest Retailer
-
HK$11,448 HKD
A
Retailer 2
-
HK$15,037 HKD
£1,509 GBP
View
A
Retailer 3
-
HK$15,629 HKD
$1,992 USD
View
A
Retailer 4
-
HK$16,711 HKD
$2,130 USD
View
A
Retailer 5
-
HK$17,253 HKD
$2,199 USD
View
B+
Retailer 6
-
HK$21,015 HKD
€2,551 EUR
View
B+
Retailer 7
-
HK$28,029 HKD
£2,813 GBP
View
Most Expensive
B
NZ Jewellers
cc0ead37-83b3-4bed-b6b1-2fefbdf3fea1 · Oct 30
HK$38,114 HKD
$4,858 USD
View
7 more retailers have this diamond
Prices start from HK$11,448 HKDSave up to HK$26,666 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
1.27ct Round
HK$11,448 HKD