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Round|Natural|GIA

1.29ct F SI1 Round Natural Diamond

EX • F/SI1 • GIA 1246023151

Certificate GIA 1246023151

Diamond specifications and retailer prices

From HK$33,213 HKD
$4,233 USD
As of October 29, 2026
Save HK$23,311 HKD (41%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: HK$59,945 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 F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1246023151. Listed at 11 retailers as of October 29, 2026, with a 70% 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
F
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 1246023151
Dimensions6.90 × 4.35 × 4.35 mm
L/W Ratio1.59
Culet sizeNone
Top View
6.90 mm4.35 mm1.29 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1246023151
Side View
Table 56.0%Crown 36.5°Girdle: MED-STKPavilion 40.6°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 29
Current: HK$43,645 HKD|Low: HK$33,213 HKD|High: HK$62,957 HKD|Avg: HK$44,007 HKD|-3.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Wholesale Diamonds Direct
October 30, 2026
Retailer 7HK$33,213 HKD
Retailer 9HK$34,146 HKD
Retailer 6HK$35,504 HKD
Retailer 2HK$36,584 HKD
Retailer 4HK$37,906 HKD
Retailer 10HK$42,202 HKD
Retailer 3HK$43,449 HKD
Retailer 1HK$43,645 HKD
Retailer 5HK$46,504 HKD
Retailer 8HK$56,523 HKD
Wholesale Diamonds DirectHK$59,945 HKD

32 data points across 11 retailers

11 retailersHK$33,213 HKD to HK$56,523 HKD

A
Cheapest Retailer
-
HK$33,213 HKD
$4,233 USD
A
Retailer 2
-
HK$34,146 HKD
SGD 5,881 SGD
View
A
Retailer 3
-
HK$35,504 HKD
$4,525 USD
View
A
Retailer 4
-
HK$36,584 HKD
SGD 6,301 SGD
View
B+
Retailer 5
-
HK$37,906 HKD
£3,804 GBP
View
B+
Retailer 6
-
HK$42,202 HKD
$5,379 USD
View
B+
Retailer 7
-
HK$43,449 HKD
€5,274 EUR
View
B+
Retailer 8
-
HK$43,645 HKD
£4,380 GBP
View
B+
Retailer 9
-
HK$46,504 HKD
$5,927 USD
View
B
Retailer 10
-
HK$56,523 HKD
$7,204 USD
View
Most Expensive
Wholesale Diamonds Direct
594396961 · Oct 26
HK$59,945 HKD
$7,640 USD
View
Price last confirmed 7 days ago
10 more retailers have this diamond
Prices start from HK$33,213 HKDSave up to HK$23,311 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
1.29ct Round
HK$33,213 HKD