Round|Natural|IGI

1.25ct I IF Round Natural Diamond

EX • I/IF • IGI 651485123

Shape and cutting style on the report: Round brilliant

Certificate IGI 651485123

Diamond specifications and retailer prices

From $5,101 NZD
As of November 5, 2026
Save $4,398 NZD (46%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $10,066 NZD at NZ Jewellers · As of September 21, 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 651485123. Listed at 14 retailers as of November 4, 2026, with a 86% 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
FluorescenceNone
Crown angle35.2°
Pavilion angle41.1°
OriginNatural
Grading LabIGI
CertificateIGI 651485123
Dimensions6.92 × 6.88 × 4.30 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
6.92 mm6.88 mm1.25 ctI / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 651485123
Side View
Table 56.0%Crown 35.2°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 62.3%

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 5
Current: $5,964 NZD|Low: $4,445 NZD|High: $9,777 NZD|Avg: $6,269 NZD|+0.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 6$5,101 NZD
Retailer 8$5,177 NZD
Retailer 2$5,202 NZD
Retailer 9$5,334 NZD
Retailer 10$5,778 NZD
Retailer 1$5,964 NZD
Retailer 4$6,539 NZD
Retailer 3$6,615 NZD
Retailer 5$6,950 NZD
Retailer 7$9,499 NZD

35 data points across 10 retailers

14 retailers$5,101 NZD to $9,499 NZD

A
Cheapest Retailer
-
$5,101 NZD
A
Retailer 2
-
$5,177 NZD
View
A
Retailer 3
-
$5,202 NZD
View
A
Retailer 4
-
$5,334 NZD
View
Final sale: no returns
Retailer 5
-
$5,569 NZD
View
Price last confirmed 103 days ago
Retailer 6
-
$5,778 NZD
View
Price last confirmed 45 days ago
Retailer 7
-
$5,778 NZD
View
Price last confirmed 37 days ago
A
Retailer 8
-
$5,964 NZD
View
A
Retailer 9
-
$6,539 NZD
View
A
Retailer 10
-
$6,615 NZD
View
Retailer 11
-
$6,665 NZD
View
Price last confirmed 46 days ago
A
Retailer 12
-
$6,950 NZD
View
A
Retailer 13
-
$9,499 NZD
View
Most Expensive
NZ Jewellers
5a395021-560a-4475-87ec-639475c164e0 · Sep 21
$10,066 NZD
$5,580 USD
View
Price last confirmed 46 days ago
13 more retailers have this diamond
Prices start from $5,101 NZDSave up to $4,398 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
$5,101 NZD