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1.29ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 6565717959

Certificate GIA 6565717959

Diamond specifications and retailer prices

From $3,647 NZD
As of November 5, 2026
Save $3,812 NZD (51%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $7,459 NZD at Wholesale Diamonds Direct · As of November 6, 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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6565717959. Listed at 10 retailers as of November 5, 2026, with prices from $3,647 to $7,459, a $3,812 spread on the same certified stone. Wholesale Diamonds Direct lists it at $7,459. 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 angle34°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 6565717959
Dimensions6.91 × 6.95 × 4.38 mm
L/W Ratio1.01
Culet sizeNone
Top View
6.91 mm6.95 mm1.29 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6565717959
Side View
Table 56.0%Crown 34°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 63.2%

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 5
Current: $5,823 NZD|Low: $3,642 NZD|High: $7,459 NZD|Avg: $5,634 NZD|-0.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Wholesale Diamonds Direct
November 5, 2026
Retailer 2$3,647 NZD
Retailer 6$4,479 NZD
Retailer 5$4,557 NZD
Retailer 9$4,963 NZD
Retailer 4$5,350 NZD
Retailer 8$5,563 NZD
Retailer 3$5,749 NZD
Retailer 1$5,823 NZD
Retailer 7$6,947 NZD
Wholesale Diamonds Direct$7,459 NZD

9 data points across 10 retailers

10 retailers$3,647 NZD to $7,459 NZD

A
Cheapest Retailer
-
$3,647 NZD
A
Retailer 2
-
$4,479 NZD
View
A
Retailer 3
-
$4,557 NZD
View
A
Retailer 4
-
$4,963 NZD
View
A
Retailer 5
-
$5,350 NZD
View
A
Retailer 6
-
$5,563 NZD
View
A
Retailer 7
-
$5,749 NZD
View
A
Retailer 8
-
$5,823 NZD
View
B+
Retailer 9
-
$6,947 NZD
View
Most Expensive
B+
Wholesale Diamonds Direct
661965016 · Nov 6
$7,459 NZD
$4,135 USD
View
9 more retailers have this diamond
Prices start from $3,647 NZDSave up to $3,812 NZD

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
$3,647 NZD