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Round|Natural|GIA

1.29ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 2468621474

Certificate GIA 2468621474

Diamond specifications and retailer prices

From $5,321 AUD
As of November 6, 2026
Save $2,428 AUD (31%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $7,749 AUD at 77 Diamonds · As of November 5, 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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2468621474. Listed at 8 retailers as of November 5, 2026, with prices from $5,321 to $7,749, a $2,428 spread on the same certified stone. 77 Diamonds lists it at $7,749. 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 2468621474
Dimensions6.95 × 6.97 × 4.35 mm
L/W Ratio1.00
Top View
6.95 mm6.97 mm1.29 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2468621474
Side View
Table 56.0%Crown 36.5°Girdle: THN-MEDPavilion 41°Culet: NoneDepth 62.5%

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 6
Current: $7,749 AUD|Low: $5,321 AUD|High: $7,860 AUD|Avg: $6,591 AUD|+0.9%
77 Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 5, 2026
Retailer 4$5,321 AUD
Retailer 5$5,699 AUD
Retailer 3$6,570 AUD
Retailer 2$7,552 AUD
77 Diamonds$7,749 AUD

38 data points across 5 retailers

8 retailers$5,321 AUD to $7,749 AUD

A
Cheapest Retailer
-
$5,321 AUD
B+
Retailer 2
-
$5,699 AUD
View
B+
Retailer 3
-
$5,897 AUD
View
B+
Retailer 4
-
$6,570 AUD
View
Retailer 5
-
$6,570 AUD
View
Price last confirmed 9 days ago
Retailer 6
-
$6,570 AUD
View
Price last confirmed 31 days ago
B+
Retailer 7
-
$7,552 AUD
View
Most Expensive
B
77 Diamonds
RBMBZPFCHBF5 · Nov 5
$7,749 AUD
£4,192 GBP
View
7 more retailers have this diamond
Prices start from $5,321 AUDSave up to $2,428 AUD

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
$5,321 AUD