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1.50ct I SI2 Round Natural Diamond

EX • I/SI2 • IGI 754512323

Shape and cutting style on the report: Round brilliant

Certificate IGI 754512323

Diamond specifications and retailer prices

From €2,531 EUR
₹269,274 INR
As of October 31, 2026
Save €2,945 EUR (54%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €5,475 EUR at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.5ct natural round diamond

This 1.5ct natural round sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI 754512323. Listed at 18 retailers as of October 30, 2026, with prices from €2,531 to €5,475, a €2,945 spread on the same certified stone. NZ Jewellers lists it at €5,475. 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

1.50
Carat
I
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle41.2°
OriginNatural
Grading LabIGI
CertificateIGI 754512323
Dimensions7.21 × 7.25 × 4.59 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
7.21 mm7.25 mm1.50 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 754512323
Side View
Table 57.0%Crown 36.3°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 63.4%

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: Oct 31
Current: €5,475 EUR|Low: €2,530 EUR|High: €5,649 EUR|Avg: €3,504 EUR
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
Retailer 17
Retailer 18
November 1, 2026
Retailer 12€2,531 EUR
Retailer 16€2,703 EUR
Retailer 7€2,790 EUR
Retailer 5€2,832 EUR
Retailer 8€2,900 EUR
Retailer 18€3,081 EUR
Retailer 6€3,143 EUR
Retailer 13€3,143 EUR
Retailer 4€3,198 EUR
Retailer 14€3,263 EUR
Retailer 15€3,272 EUR
Retailer 2€3,399 EUR
Retailer 10€3,626 EUR
Retailer 3€3,643 EUR
Retailer 11€3,654 EUR
Retailer 9€4,821 EUR
Retailer 17€5,262 EUR
NZ Jewellers€5,475 EUR

36 data points across 18 retailers

18 retailers€2,531 EUR to €5,475 EUR

A
Cheapest Retailer
-
€2,531 EUR
₹269,274 INR
Retailer 2
-
€2,703 EUR
$3,020 USD
View
Price last confirmed 7 days ago
A
Retailer 3
-
€2,790 EUR
$3,117 USD
View
A
Retailer 4
-
€2,832 EUR
SGD 4,276 SGD
View
A
Retailer 5
-
€2,900 EUR
$3,240 USD
View
Final sale: no returns
A
Retailer 6
-
€3,081 EUR
$3,442 USD
View
A
Retailer 7
-
€3,143 EUR
$3,511 USD
View
A
Retailer 8
-
€3,143 EUR
$3,511 USD
View
A
Retailer 9
-
€3,198 EUR
$3,572 USD
View
A
Retailer 10
-
€3,263 EUR
$3,646 USD
View
A
Retailer 11
-
€3,272 EUR
$3,656 USD
View
A
Retailer 12
-
€3,399 EUR
£2,990 GBP
View
A
Retailer 13
-
€3,626 EUR
$4,051 USD
View
A
Retailer 14
-
€3,643 EUR
£3,205 GBP
View
A
Retailer 15
-
€3,654 EUR
View
B+
Retailer 16
-
€4,821 EUR
$5,386 USD
View
B+
Retailer 17
-
€5,262 EUR
£4,629 GBP
View
Most Expensive
B+
NZ Jewellers
00c94c50-0d12-4257-bd7e-735e84b4e8fe · Oct 30
€5,475 EUR
$6,117 USD
View
17 more retailers have this diamond
Prices start from €2,531 EURSave up to €2,945 EUR

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
1.50ct Round
€2,531 EUR