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 $2,915 USD
As of November 4, 2026
Save $2,769 USD (49%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $6,136 USD 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
Color
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: $3,277 USD|Low: $2,854 USD|High: $5,922 USD|Avg: $3,808 USD|+1.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 9$2,915 USD
Retailer 6$2,945 USD
Retailer 2$3,228 USD
Retailer 10$3,230 USD
Retailer 1$3,277 USD
Retailer 5$3,707 USD
Retailer 3$3,708 USD
Retailer 4$4,160 USD
Retailer 8$5,018 USD
Retailer 7$5,684 USD

27 data points across 10 retailers

14 retailers$2,915 USD to $5,684 USD

A
Cheapest Retailer
-
$2,915 USD
A
Retailer 2
-
$2,945 USD
View
A
Retailer 3
-
$3,228 USD
View
A
Retailer 4
-
$3,230 USD
View
A
Retailer 5
-
$3,277 USD
View
Retailer 6
-
$3,311 USD
View
Price last confirmed 21 days ago
Retailer 7
-
$3,444 USD
View
Price last confirmed 22 days ago
Retailer 8
-
$3,522 USD
View
Price last confirmed 19 days ago
A
Retailer 9
-
$3,707 USD
View
A
Retailer 10
-
$3,708 USD
View
A
Retailer 11
-
$4,160 USD
View
A
Retailer 12
-
$5,018 USD
View
B+
Retailer 13
-
$5,684 USD
View
Most Expensive
NZ Jewellers
e01ccdae-a9a8-4251-9c4a-c65804b2ef46 · Oct 17
$6,136 USD
View
Price last confirmed 19 days ago
13 more retailers have this diamond
Prices start from $2,915 USDSave up to $2,769 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
1.25ct Round
$2,915 USD