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Round|Natural|GIA

1.29ct F SI1 Round Natural Diamond

EX • F/SI1 • GIA 1557909699

Certificate GIA 1557909699

Diamond specifications and retailer prices

From $6,609 NZD
$3,718 USD
As of October 31, 2026
Save $5,232 NZD (44%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $11,875 NZD 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 F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1557909699. Listed at 14 retailers as of October 31, 2026, with a 79% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
F
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle34°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 1557909699
Dimensions6.99 × 7.04 × 4.26 mm
L/W Ratio1.01
Culet sizeNone
Top View
6.99 mm7.04 mm1.29 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 1557909699
Side View
Table 59.0%Crown 34°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 60.8%

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: Oct 31
Current: $7,068 NZD|Low: $6,609 NZD|High: $12,344 NZD|Avg: $8,603 NZD|-5.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Wholesale Diamonds Direct
November 3, 2026
Retailer 12$6,609 NZD
Retailer 11$6,660 NZD
Retailer 9$6,999 NZD
Retailer 1$7,068 NZD
Retailer 13$7,238 NZD
Retailer 7$7,497 NZD
Retailer 2$8,366 NZD
Retailer 3$8,424 NZD
Retailer 6$8,517 NZD
Retailer 10$8,792 NZD
Retailer 8$9,169 NZD
Retailer 5$11,144 NZD
Retailer 4$11,840 NZD
Wholesale Diamonds Direct$11,875 NZD

29 data points across 14 retailers

14 retailers$6,609 NZD to $11,840 NZD

A
Cheapest Retailer
-
$6,609 NZD
$3,718 USD
A
Retailer 2
-
$6,660 NZD
$3,747 USD
View
A
Retailer 3
-
$6,999 NZD
$3,938 USD
View
A
Retailer 4
-
$7,068 NZD
SGD 5,374 SGD
View
A
Retailer 5
-
$7,238 NZD
SGD 5,503 SGD
View
A
Retailer 6
-
$7,497 NZD
£3,322 GBP
View
B+
Retailer 7
-
$8,366 NZD
$4,707 USD
View
B+
Retailer 8
-
$8,424 NZD
$4,740 USD
View
B+
Retailer 9
-
$8,517 NZD
€4,564 EUR
View
B+
Retailer 10
-
$8,792 NZD
£3,895 GBP
View
B+
Retailer 11
-
$9,169 NZD
$5,159 USD
View
B+
Retailer 12
-
$11,144 NZD
$6,270 USD
View
B
Retailer 13
-
$11,840 NZD
$6,662 USD
View
Most Expensive
Wholesale Diamonds Direct
273030978 · Oct 26
$11,875 NZD
$6,681 USD
View
Price last confirmed 7 days ago
13 more retailers have this diamond
Prices start from $6,609 NZDSave up to $5,232 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
$6,609 NZD