Round|Natural|IGI

1.25ct I IF Round Natural Diamond

EX • I/IF • IGI 821618736

Shape and cutting style on the report: Round brilliant

Certificate IGI 821618736

Diamond specifications and retailer prices

From $5,258 NZD
As of November 4, 2026
Save $4,995 NZD (49%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $11,069 NZD at NZ Jewellers · As of October 17, 2026
View at NZ Jewellers

About this 1.25ct natural round diamond

This 1.25ct natural round sits in the one-and-a-quarter to one-and-a-half carat band, graded I colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI 821618736. Listed at 14 retailers as of November 4, 2026, with a 95% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.25
Carat
I
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36.4°
Pavilion angle41°
OriginNatural
Grading LabIGI
CertificateIGI 821618736
Dimensions6.86 × 6.90 × 4.26 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
6.86 mm6.90 mm1.25 ctI / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 821618736
Side View
Table 59.0%Crown 36.4°Girdle: MED-STKPavilion 41°Culet: NoneDepth 61.9%

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: $5,911 NZD|Low: $5,148 NZD|High: $10,683 NZD|Avg: $6,871 NZD|+1.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 7, 2026
Retailer 9$5,258 NZD
Retailer 7$5,312 NZD
Retailer 2$5,823 NZD
Retailer 10$5,827 NZD
Retailer 1$5,911 NZD
Retailer 6$6,687 NZD
Retailer 4$6,689 NZD
Retailer 5$7,504 NZD
Retailer 3$9,023 NZD
Retailer 8$10,253 NZD

27 data points across 10 retailers

14 retailers$5,258 NZD to $10,253 NZD

A
Cheapest Retailer
-
$5,258 NZD
A
Retailer 2
-
$5,312 NZD
View
A
Retailer 3
-
$5,823 NZD
View
A
Retailer 4
-
$5,827 NZD
View
A
Retailer 5
-
$5,911 NZD
View
Retailer 6
-
$5,973 NZD
View
Price last confirmed 22 days ago
Retailer 7
-
$6,213 NZD
View
Price last confirmed 23 days ago
Retailer 8
-
$6,353 NZD
View
Price last confirmed 20 days ago
A
Retailer 9
-
$6,687 NZD
View
A
Retailer 10
-
$6,689 NZD
View
A
Retailer 11
-
$7,504 NZD
View
A
Retailer 12
-
$9,023 NZD
View
B+
Retailer 13
-
$10,253 NZD
View
Most Expensive
NZ Jewellers
e01ccdae-a9a8-4251-9c4a-c65804b2ef46 · Oct 17
$11,069 NZD
$6,136 USD
View
Price last confirmed 20 days ago
13 more retailers have this diamond
Prices start from $5,258 NZDSave up to $4,995 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
1.25ct Round
$5,258 NZD