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Round|Natural|GIA

1.29ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 1413595348

Certificate GIA 1413595348

Diamond specifications and retailer prices

From $6,570 NZD
As of November 4, 2026
Save $6,436 NZD (49%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $13,006 NZD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

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 1413595348. Listed at 14 retailers as of November 4, 2026, with prices from $6,570 to $13,006, a $6,436 spread on the same certified stone. NZ Jewellers lists it at $13,006. 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 1413595348
Dimensions6.90 × 6.95 × 4.35 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Culet sizeNone
Top View
6.90 mm6.95 mm1.29 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1413595348
Side View
Table 57.0%Crown 36.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.8%

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 4
Current: $13,006 NZD|Low: $5,578 NZD|High: $13,006 NZD|Avg: $8,161 NZD|+13.2%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 7, 2026
Retailer 4$6,570 NZD
Retailer 11$6,682 NZD
Retailer 5$6,891 NZD
Retailer 6$6,929 NZD
Retailer 2$7,042 NZD
Retailer 13$7,107 NZD
Retailer 10$7,466 NZD
Retailer 14$7,466 NZD
Retailer 12$7,732 NZD
Retailer 7$8,395 NZD
Retailer 3$8,614 NZD
Retailer 8$9,111 NZD
Retailer 9$12,185 NZD
NZ Jewellers$13,006 NZD

39 data points across 14 retailers

14 retailers$6,570 NZD to $13,006 NZD

A
Cheapest Retailer
-
$6,570 NZD
A
Retailer 2
-
$6,682 NZD
View
B+
Retailer 3
-
$6,891 NZD
View
Final sale: no returns
Retailer 4
-
$6,929 NZD
View
Price last confirmed 44 days ago
A
Retailer 5
-
$7,042 NZD
View
B+
Retailer 6
-
$7,107 NZD
View
Retailer 7
-
$7,466 NZD
View
Price last confirmed 9 days ago
B+
Retailer 8
-
$7,466 NZD
View
B+
Retailer 9
-
$7,732 NZD
View
B+
Retailer 10
-
$8,395 NZD
View
B
Retailer 11
-
$8,614 NZD
View
B+
Retailer 12
-
$9,111 NZD
View
B
Retailer 13
-
$12,185 NZD
View
Most Expensive
B
NZ Jewellers
ac07a730-ca1a-4f4b-aa31-0f9ae0dfae68 · Nov 5
$13,006 NZD
$7,210 USD
View
13 more retailers have this diamond
Prices start from $6,570 NZDSave up to $6,436 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
$6,570 NZD