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Round|Natural|GIA

1.29ct I SI2 Round Natural Diamond

EX • I/SI2 • GIA 2556706754

Certificate GIA 2556706754

Diamond specifications and retailer prices

From $2,580 AUD
SGD 2,449 SGD
As of October 31, 2026
Save $2,438 AUD (49%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $5,018 AUD 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 I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2556706754. Listed at 12 retailers as of October 26, 2026, with prices from $2,580 to $5,018, a $2,438 spread on the same certified stone. Wholesale Diamonds Direct lists it at $5,018. 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 angle36.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 2556706754
Dimensions6.88 × 6.93 × 4.35 mm
L/W Ratio1.01
Culet sizeNone
Top View
6.88 mm6.93 mm1.29 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2556706754
Side View
Table 57.0%Crown 36.5°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 63.0%

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 31
Current: $3,939 AUD|Low: $2,580 AUD|High: $5,317 AUD|Avg: $3,649 AUD|-5.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Wholesale Diamonds Direct
November 1, 2026
Retailer 8$2,580 AUD
Retailer 5$3,041 AUD
Retailer 7$3,067 AUD
Retailer 2$3,338 AUD
Retailer 3$3,362 AUD
Retailer 4$3,411 AUD
Retailer 9$3,632 AUD
Retailer 10$3,839 AUD
Retailer 6$3,851 AUD
Retailer 1$3,939 AUD
Wholesale Diamonds Direct$5,018 AUD

41 data points across 11 retailers

12 retailers$2,580 AUD to $5,018 AUD

A
Cheapest Retailer
-
$2,580 AUD
SGD 2,449 SGD
A
Retailer 2
-
$3,041 AUD
$2,136 USD
View
A
Retailer 3
-
$3,067 AUD
$2,154 USD
View
A
Retailer 4
-
$3,338 AUD
SGD 3,169 SGD
View
A
Retailer 5
-
$3,362 AUD
£1,859 GBP
View
A
Retailer 6
-
$3,411 AUD
$2,396 USD
View
A
Retailer 7
-
$3,632 AUD
$2,551 USD
View
A
Retailer 8
-
$3,839 AUD
$2,697 USD
View
A
Retailer 9
-
$3,851 AUD
£2,130 GBP
View
A
Retailer 10
-
$3,939 AUD
€2,635 EUR
View
A
Retailer 11
-
$4,118 AUD
$2,893 USD
View
Most Expensive
A
Wholesale Diamonds Direct
570868304 · Oct 26
$5,018 AUD
$3,525 USD
View
11 more retailers have this diamond
Prices start from $2,580 AUDSave up to $2,438 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
$2,580 AUD