Round|Natural|GIA

1.29ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 7551816597

Certificate GIA 7551816597

Diamond specifications and retailer prices

From HK$16,819 HKD
As of November 5, 2026
Save HK$6,685 HKD (28%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: HK$29,856 HKD at Wholesale Diamonds Direct · As of October 26, 2026
View at Wholesale Diamonds Direct

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 7551816597. Listed at 15 retailers as of November 5, 2026, with a 40% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
FluorescenceStrong
Crown angle32.5°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 7551816597
Dimensions6.98 × 7.01 × 4.29 mm
L/W Ratio1.00
Culet sizeNone
Top View
6.98 mm7.01 mm1.29 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 7551816597
Side View
Table 58.0%Crown 32.5°Girdle: THN-STKPavilion 41.6°Culet: NoneDepth 61.3%

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$16,819 HKD|Low: HK$16,725 HKD|High: HK$31,318 HKD|Avg: HK$21,937 HKD|-6.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Wholesale Diamonds Direct
November 5, 2026
Retailer 1HK$16,819 HKD
Retailer 11HK$17,665 HKD
Retailer 10HK$18,010 HKD
Retailer 9HK$18,159 HKD
Retailer 8HK$19,499 HKD
Retailer 4HK$19,774 HKD
Retailer 12HK$20,299 HKD
Retailer 2HK$21,420 HKD
Retailer 3HK$22,462 HKD
Retailer 6HK$22,689 HKD
Retailer 7HK$22,775 HKD
Retailer 5HK$23,794 HKD
Retailer 13HK$27,690 HKD
Wholesale Diamonds DirectHK$29,856 HKD

27 data points across 14 retailers

15 retailersHK$16,819 HKD to HK$23,504 HKD

A
Cheapest Retailer
-
HK$16,819 HKD
Retailer 2
-
HK$17,665 HKD
View
Price last confirmed 8 days ago
Retailer 3
-
HK$18,010 HKD
View
Price last confirmed 8 days ago
Retailer 4
-
HK$18,159 HKD
View
Price last confirmed 10 days ago
Retailer 5
-
HK$19,499 HKD
View
Price last confirmed 8 days ago
Retailer 6
-
HK$19,774 HKD
View
Price last confirmed 8 days ago
A
Retailer 7
-
HK$20,299 HKD
View
A
Retailer 8
-
HK$21,420 HKD
View
A
Retailer 9
-
HK$22,462 HKD
View
A
Retailer 10
-
HK$22,689 HKD
View
Retailer 11
-
HK$22,775 HKD
View
Price last confirmed 8 days ago
A
Retailer 12
-
HK$23,504 HKD
View
Retailer 13
-
HK$23,794 HKD
View
Price last confirmed 12 days ago
Retailer 14
-
HK$27,690 HKD
View
Price last confirmed 8 days ago
Most Expensive
Wholesale Diamonds Direct
611240164 · Oct 26
HK$29,856 HKD
$3,809 USD
View
Price last confirmed 11 days ago
14 more retailers have this diamond
Prices start from HK$16,819 HKDSave up to HK$6,685 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$16,819 HKD