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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 $5,470 CAD
$3,916 USD
As of October 29, 2026
Save $2,365 CAD (30%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $7,835 CAD at 77 Diamonds · As of October 30, 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 29, 2026, with prices from $5,470 to $7,835, a $2,365 spread on the same certified stone. 77 Diamonds lists it at $7,835. 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
Color
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 29
Current: $7,835 CAD|Low: $2,343 CAD|High: $7,887 CAD|Avg: $4,066 CAD|+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
October 30, 2026
Retailer 12$2,343 CAD
Retailer 3$2,526 CAD
Retailer 7$2,561 CAD
Retailer 11$3,114 CAD
Retailer 4$3,441 CAD
Retailer 10$3,449 CAD
Retailer 6$3,972 CAD
Retailer 8$5,406 CAD
Retailer 5$5,470 CAD
Retailer 2$5,693 CAD
Retailer 9$6,546 CAD
77 Diamonds$7,835 CAD

36 data points across 12 retailers

5 retailers$5,470 CAD to $7,835 CAD

Retailer 1
-
$3,906 CAD
$2,796 USD
Price last confirmed 38 days ago
B+
Retailer 2
-
$5,470 CAD
$3,916 USD
View
B+
Retailer 3
-
$5,693 CAD
$4,075 USD
View
Retailer 4
-
$7,811 CAD
$5,592 USD
View
Price last confirmed 41 days ago
Most Expensive
B
77 Diamonds
RBZDPUTZMZZ · Oct 30
$7,835 CAD
£4,417 GBP
View
4 more retailers have this diamond
Prices start from $5,470 CADSave up to $2,365 CAD

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
$5,470 CAD