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Round|Natural|GIA

1.29ct I SI2 Round Natural Diamond

EX • I/SI2 • GIA 3555469223

Certificate GIA 3555469223

Diamond specifications and retailer prices

From HK$30,724 HKD
$3,916 USD
As of October 30, 2026
Save HK$13,286 HKD (30%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: HK$44,010 HKD at 77 Diamonds · As of November 1, 2026
View at 77 Diamonds

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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 3555469223. Listed at 5 retailers as of October 30, 2026, with prices from HK$30,724 to HK$44,010, a HK$13,286 spread on the same certified stone. 77 Diamonds lists it at HK$44,010. 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
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle34°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 3555469223
Dimensions6.98 × 7.02 × 4.30 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Needle, Indented Natural, Natural
Top View
6.98 mm7.02 mm1.29 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 3555469223
Side View
Table 58.0%Crown 34°Girdle: THN-STKPavilion 41.4°Culet: NoneDepth 61.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: HK$44,010 HKD|Low: HK$13,157 HKD|High: HK$44,295 HKD|Avg: HK$23,140 HKD|+104.0%
77 Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 1, 2026
Retailer 12HK$13,157 HKD
Retailer 3HK$14,190 HKD
Retailer 7HK$14,381 HKD
Retailer 11HK$17,488 HKD
Retailer 4HK$19,324 HKD
Retailer 10HK$19,372 HKD
Retailer 6HK$22,308 HKD
Retailer 8HK$30,363 HKD
Retailer 5HK$30,724 HKD
Retailer 2HK$31,972 HKD
Retailer 9HK$36,767 HKD
77 DiamondsHK$44,010 HKD

36 data points across 12 retailers

5 retailersHK$30,724 HKD to HK$44,010 HKD

Retailer 1
-
HK$21,937 HKD
$2,796 USD
Price last confirmed 40 days ago
B+
Retailer 2
-
HK$30,724 HKD
$3,916 USD
View
B+
Retailer 3
-
HK$31,972 HKD
$4,075 USD
View
Retailer 4
-
HK$43,873 HKD
$5,592 USD
View
Price last confirmed 43 days ago
Most Expensive
B
77 Diamonds
RBZDPUTZMZZ · Nov 1
HK$44,010 HKD
£4,417 GBP
View
4 more retailers have this diamond
Prices start from HK$30,724 HKDSave up to HK$13,286 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.

B+
1.29ct Round
HK$30,724 HKD