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Round|Natural|GIA

1.29ct I SI2 Round Natural Diamond

VG • I/SI2 • GIA 2146627914

Certificate GIA 2146627914

Diamond specifications and retailer prices

From $4,133 AUD
As of November 1, 2026
Save $1,620 AUD (28%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $5,753 AUD 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 very-good cut grade and certified by GIA 2146627914. Listed at 4 retailers as of November 1, 2026, with prices from $4,133 to $5,753, a $1,620 spread on the same certified stone. 77 Diamonds lists it at $5,753. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.29
Carat
I
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2146627914
Dimensions6.81 × 6.85 × 4.39 mm
L/W Ratio1.01
Top View
6.81 mm6.85 mm1.29 ctI / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2146627914
Side View
Table 58.0%CrownGirdle: MED-THKPavilionCuletDepth 64.2%

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 1
Current: $5,753 AUD|Low: $5,148 AUD|High: $5,839 AUD|Avg: $5,467 AUD|-0.2%
77 Diamonds
Retailer 2
Retailer 3
November 1, 2026
Retailer 3$5,148 AUD
Retailer 2$5,456 AUD
77 Diamonds$5,753 AUD

32 data points across 3 retailers

4 retailers$4,133 AUD to $5,753 AUD

A
Cheapest Retailer
-
$4,133 AUD
B+
Retailer 2
-
$5,148 AUD
$3,616 USD
View
B+
Retailer 3
-
$5,456 AUD
€3,650 EUR
View
Most Expensive
B+
77 Diamonds
RBJDEAURMKG · Nov 1
$5,753 AUD
£3,182 GBP
View
3 more retailers have this diamond
Prices start from $4,133 AUDSave up to $1,620 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
$4,133 AUD