Round|Natural|GIA

1.29ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 1413595348

Certificate GIA 1413595348

Diamond specifications and retailer prices

From $3,642 USD
As of November 4, 2026
Save $3,568 USD (49%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $7,210 USD 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 $3,642 to $7,210, a $3,568 spread on the same certified stone. NZ Jewellers lists it at $7,210. 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
Color
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: $7,210 USD|Low: $3,092 USD|High: $7,210 USD|Avg: $4,473 USD|+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 5, 2026
Retailer 4$3,642 USD
Retailer 11$3,704 USD
Retailer 5$3,820 USD
Retailer 6$3,841 USD
Retailer 8$3,904 USD
Retailer 13$3,940 USD
Retailer 10$4,139 USD
Retailer 14$4,139 USD
Retailer 12$4,286 USD
Retailer 7$4,653 USD
Retailer 3$4,775 USD
Retailer 2$5,051 USD
Retailer 9$6,755 USD
NZ Jewellers$7,210 USD

38 data points across 14 retailers

14 retailers$3,642 USD to $7,210 USD

A
Cheapest Retailer
-
$3,642 USD
A
Retailer 2
-
$3,704 USD
View
B+
Retailer 3
-
$3,820 USD
View
Final sale: no returns
Retailer 4
-
$3,841 USD
View
Price last confirmed 43 days ago
A
Retailer 5
-
$3,904 USD
View
B+
Retailer 6
-
$3,940 USD
View
Retailer 7
-
$4,139 USD
View
Price last confirmed 8 days ago
B+
Retailer 8
-
$4,139 USD
View
B+
Retailer 9
-
$4,286 USD
View
B+
Retailer 10
-
$4,653 USD
View
B
Retailer 11
-
$4,775 USD
View
B+
Retailer 12
-
$5,051 USD
View
B
Retailer 13
-
$6,755 USD
View
Most Expensive
B
NZ Jewellers
ac07a730-ca1a-4f4b-aa31-0f9ae0dfae68 · Nov 5
$7,210 USD
View
13 more retailers have this diamond
Prices start from $3,642 USDSave up to $3,568 USD

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
$3,642 USD