Round|Natural|IGI

1.29ct H SI2 Round Natural Diamond

EX • H/SI2 • IGI 819641909

Shape and cutting style on the report: Round brilliant

Certificate IGI 819641909

Diamond specifications and retailer prices

From $4,203 NZD
£1,865 GBP
As of October 28, 2026
Save $123 NZD (3%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $5,444 NZD at Wholesale Diamonds Direct · As of October 23, 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 H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI 819641909. Listed at 7 retailers as of October 28, 2026, with a relatively tight 3% spread, which is unusual at this carat range and suggests competitive pricing across the listings. 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
H
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36.3°
Pavilion angle40.2°
OriginNatural
Grading LabIGI
CertificateIGI 819641909
Dimensions6.89 × 6.97 × 4.36 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
6.89 mm6.97 mm1.29 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 819641909
Side View
Table 55.0%Crown 36.3°Girdle: THN-STKPavilion 40.2°Culet: NoneDepth 63.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 28
Current: $4,203 NZD|Low: $2,699 NZD|High: $6,229 NZD|Avg: $4,226 NZD|-11.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Wholesale Diamonds Direct
October 24, 2026
Retailer 7$2,699 NZD
Retailer 4$3,330 NZD
Retailer 5$3,389 NZD
Retailer 2$3,432 NZD
Retailer 1$4,203 NZD
Retailer 3$4,232 NZD
Retailer 8$4,326 NZD
Retailer 6$5,285 NZD
Wholesale Diamonds Direct$5,444 NZD

29 data points across 9 retailers

7 retailers$4,203 NZD to $4,326 NZD

Retailer 1
-
$3,330 NZD
$1,877 USD
Price last confirmed 11 days ago
Retailer 2
-
$3,389 NZD
$1,910 USD
View
Price last confirmed 12 days ago
Retailer 3
-
$3,432 NZD
SGD 2,614 SGD
View
Price last confirmed 9 days ago
A
Retailer 4
-
$4,203 NZD
£1,865 GBP
View
Retailer 5
-
$4,232 NZD
$2,385 USD
View
Price last confirmed 7 days ago
A
Retailer 6
-
$4,326 NZD
$2,438 USD
View
Most Expensive
Wholesale Diamonds Direct
531073889 · Oct 23
$5,444 NZD
$3,068 USD
View
Price last confirmed 9 days ago
6 more retailers have this diamond
Prices start from $4,203 NZDSave up to $123 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
$4,203 NZD