Round|Natural|GIA

1.25ct K IF Round Natural Diamond

EX • K/IF • GIA 2556558288

Certificate GIA 2556558288

Diamond specifications and retailer prices

From $2,598 USD
As of November 4, 2026
Save $3,223 USD (55%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $6,261 USD at NZ Jewellers · As of October 20, 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 K colour (faint-tinted) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 2556558288. Listed at 15 retailers as of November 2, 2026, with a 124% 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
K
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 2556558288
Dimensions6.82 × 6.86 × 4.27 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
6.82 mm6.86 mm1.25 ctK / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2556558288
Side View
Table 58.0%Crown 36°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $6,261 USD|Low: $2,572 USD|High: $6,554 USD|Avg: $3,893 USD|-3.5%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
November 6, 2026
Retailer 15$2,598 USD
Retailer 3$2,719 USD
Retailer 16$3,207 USD
Retailer 11$3,210 USD
Retailer 9$3,228 USD
Retailer 4$3,305 USD
Retailer 5$3,594 USD
Retailer 2$3,597 USD
Retailer 14$3,707 USD
Retailer 8$3,731 USD
Retailer 7$3,732 USD
Retailer 12$3,820 USD
Retailer 6$4,147 USD
Retailer 10$4,269 USD
Retailer 13$5,821 USD
NZ Jewellers$6,261 USD

29 data points across 16 retailers

15 retailers$2,598 USD to $5,821 USD

A
Cheapest Retailer
-
$2,598 USD
Retailer 2
-
$2,719 USD
View
Price last confirmed 15 days ago
A
Retailer 3
-
$3,207 USD
View
A
Retailer 4
-
$3,210 USD
View
A
Retailer 5
-
$3,228 USD
View
Final sale: no returns
Retailer 6
-
$3,594 USD
View
Price last confirmed 15 days ago
A
Retailer 7
-
$3,597 USD
View
A
Retailer 8
-
$3,707 USD
View
Retailer 9
-
$3,731 USD
View
Price last confirmed 14 days ago
Retailer 10
-
$3,732 USD
View
Price last confirmed 15 days ago
A
Retailer 11
-
$3,820 USD
View
Retailer 12
-
$4,147 USD
View
Price last confirmed 16 days ago
A
Retailer 13
-
$4,269 USD
View
B+
Retailer 14
-
$5,821 USD
View
Most Expensive
NZ Jewellers
77b0d440-e0ed-4c32-96b3-f982b34b5738 · Oct 20
$6,261 USD
View
Price last confirmed 16 days ago
14 more retailers have this diamond
Prices start from $2,598 USDSave up to $3,223 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
$2,598 USD