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Round|Natural|GIA

1.29ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 1413595348

Certificate GIA 1413595348

Diamond specifications and retailer prices

From HK$28,544 HKD
As of November 4, 2026
Save HK$27,964 HKD (49%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: HK$56,508 HKD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.29ct natural round diamond

This 1.29ct natural round sits in the one-and-a-quarter to one-and-a-half carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1413595348. Listed at 14 retailers as of November 4, 2026, with prices from HK$28,544 to HK$56,508, a HK$27,964 spread on the same certified stone. NZ Jewellers lists it at HK$56,508. 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

1.29
Carat
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 1413595348
Dimensions6.90 × 6.95 × 4.35 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Culet sizeNone
Top View
6.90 mm6.95 mm1.29 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1413595348
Side View
Table 57.0%Crown 36.5°Girdle: MED-STKPavilion 41°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 4
Current: HK$56,508 HKD|Low: HK$24,233 HKD|High: HK$56,508 HKD|Avg: HK$35,458 HKD|+13.2%
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
November 7, 2026
Retailer 4HK$28,544 HKD
Retailer 11HK$29,030 HKD
Retailer 5HK$29,939 HKD
Retailer 6HK$30,103 HKD
Retailer 2HK$30,597 HKD
Retailer 13HK$30,879 HKD
Retailer 10HK$32,439 HKD
Retailer 14HK$32,439 HKD
Retailer 12HK$33,591 HKD
Retailer 7HK$36,475 HKD
Retailer 3HK$37,424 HKD
Retailer 8HK$39,587 HKD
Retailer 9HK$52,942 HKD
NZ JewellersHK$56,508 HKD

39 data points across 14 retailers

14 retailersHK$28,544 HKD to HK$56,508 HKD

A
Cheapest Retailer
-
HK$28,544 HKD
A
Retailer 2
-
HK$29,030 HKD
View
B+
Retailer 3
-
HK$29,939 HKD
View
Final sale: no returns
Retailer 4
-
HK$30,103 HKD
View
Price last confirmed 44 days ago
A
Retailer 5
-
HK$30,597 HKD
View
B+
Retailer 6
-
HK$30,879 HKD
View
Retailer 7
-
HK$32,439 HKD
View
Price last confirmed 9 days ago
B+
Retailer 8
-
HK$32,439 HKD
View
B+
Retailer 9
-
HK$33,591 HKD
View
B+
Retailer 10
-
HK$36,475 HKD
View
B
Retailer 11
-
HK$37,424 HKD
View
B+
Retailer 12
-
HK$39,587 HKD
View
B
Retailer 13
-
HK$52,942 HKD
View
Most Expensive
B
NZ Jewellers
ac07a730-ca1a-4f4b-aa31-0f9ae0dfae68 · Nov 5
HK$56,508 HKD
$7,210 USD
View
13 more retailers have this diamond
Prices start from HK$28,544 HKDSave up to HK$27,964 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
1.29ct Round
HK$28,544 HKD