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Round|Natural|IGI

2.50ct K SI2 Round Natural Diamond

EX • K/SI2 • IGI 827606478

Shape and cutting style on the report: Round brilliant

Certificate IGI 827606478

Diamond specifications and retailer prices

From $5,613 USD
As of November 1, 2026
Save $5,152 USD (48%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $10,765 USD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 2.5ct natural round diamond

This 2.5ct natural round sits in the two to three carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI 827606478. Listed at 12 retailers as of November 1, 2026, with prices from $5,613 to $10,765, a $5,152 spread on the same certified stone. NZ Jewellers lists it at $10,765. 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

2.50
Carat
K
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle40.2°
OriginNatural
Grading LabIGI
CertificateIGI 827606478
Dimensions8.66 × 8.70 × 5.24 mm
L/W Ratio1.00
Girdle conditionPARTLY FACETED
Top View
8.66 mm8.70 mm2.50 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 827606478
Side View
Table 60.0%Crown 35.4°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 60.4%

Caratlytics Score

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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 1
Current: $10,765 USD|Low: $5,266 USD|High: $10,765 USD|Avg: $7,001 USD|+3.2%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 4$5,613 USD
Retailer 3$5,650 USD
Retailer 12$5,670 USD
Retailer 8$6,437 USD
Retailer 9$6,437 USD
Retailer 10$6,437 USD
Retailer 11$6,594 USD
Retailer 5$6,978 USD
Retailer 7$7,427 USD
Retailer 2$7,646 USD
Retailer 6$9,483 USD
NZ Jewellers$10,765 USD

36 data points across 12 retailers

12 retailers$5,613 USD to $10,765 USD

A
Cheapest Retailer
-
$5,613 USD
A
Retailer 2
-
$5,650 USD
View
A
Retailer 3
-
$5,670 USD
View
Retailer 4
-
$6,437 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$6,437 USD
View
A
Retailer 6
-
$6,437 USD
View
A
Retailer 7
-
$6,594 USD
View
A
Retailer 8
-
$6,978 USD
View
B+
Retailer 9
-
$7,427 USD
View
A
Retailer 10
-
$7,646 USD
View
B+
Retailer 11
-
$9,483 USD
View
Most Expensive
B+
NZ Jewellers
ad6c1acc-07ea-4f68-a7e7-bc6d873da663 · Nov 5
$10,765 USD
View
11 more retailers have this diamond
Prices start from $5,613 USDSave up to $5,152 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
2.50ct Round
$5,613 USD