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Round|Natural|IGI

2.50ct L SI2 Round Natural Diamond

EX • L/SI2 • IGI 670470897

Shape and cutting style on the report: Round brilliant

Certificate IGI 670470897

Diamond specifications and retailer prices

From $5,685 USD
As of November 5, 2026
Save $2,449 USD (30%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $12,547 USD at NZ Jewellers · As of October 23, 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 L colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI 670470897. Listed at 12 retailers as of November 5, 2026, with a 43% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
L
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.4°
OriginNatural
Grading LabIGI
CertificateIGI 670470897
Dimensions8.54 × 8.59 × 5.39 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
8.54 mm8.59 mm2.50 ctL / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 670470897
Side View
Table 57.0%Crown 36°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 62.9%

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 5
Current: $12,547 USD|Low: $5,685 USD|High: $12,547 USD|Avg: $7,865 USD|+1.0%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 5, 2026
Retailer 4$5,685 USD
Retailer 5$6,245 USD
Retailer 9$6,539 USD
Retailer 7$6,925 USD
Retailer 3$7,458 USD
Retailer 11$7,502 USD
Retailer 8$7,617 USD
Retailer 6$7,664 USD
Retailer 2$8,134 USD
Retailer 10$8,656 USD
NZ Jewellers$12,547 USD

44 data points across 11 retailers

12 retailers$5,685 USD to $8,134 USD

A
Cheapest Retailer
-
$5,685 USD
A
Retailer 2
-
$6,245 USD
View
B+
Retailer 3
-
$6,539 USD
View
B+
Retailer 4
-
$6,543 USD
View
Retailer 5
-
$6,925 USD
View
Price last confirmed 12 days ago
B+
Retailer 6
-
$7,458 USD
View
Retailer 7
-
$7,502 USD
View
Price last confirmed 11 days ago
Retailer 8
-
$7,617 USD
View
Price last confirmed 12 days ago
B+
Retailer 9
-
$7,664 USD
View
B+
Retailer 10
-
$8,134 USD
View
Retailer 11
-
$8,656 USD
View
Price last confirmed 14 days ago
Most Expensive
NZ Jewellers
fc01d203-a103-487c-9627-dbdb3c72c015 · Oct 23
$12,547 USD
View
Price last confirmed 13 days ago
11 more retailers have this diamond
Prices start from $5,685 USDSave up to $2,449 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
$5,685 USD