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1.27ct I SI2 Round Natural Diamond

EX • I/SI2 • IGI 722558728

Shape and cutting style on the report: Round brilliant

Certificate IGI 722558728

Diamond specifications and retailer prices

From €1,799 EUR
$2,010 USD
As of October 28, 2026
Save €2,364 EUR (57%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €4,163 EUR at NZ Jewellers · As of October 27, 2026
View at NZ Jewellers

About this 1.27ct natural round diamond

This 1.27ct natural round sits in the one-and-a-quarter to one-and-a-half carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI 722558728. Listed at 11 retailers as of October 27, 2026, with prices from €1,799 to €4,163, a €2,364 spread on the same certified stone. NZ Jewellers lists it at €4,163. 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

1.27
Carat
I
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle40.2°
OriginNatural
Grading LabIGI
CertificateIGI 722558728
Dimensions6.85 × 6.88 × 4.28 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Top View
6.85 mm6.88 mm1.27 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 722558728
Side View
Table 57.0%Crown 36.5°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 62.4%

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 28
Current: €4,163 EUR|Low: €1,799 EUR|High: €4,163 EUR|Avg: €2,447 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
November 1, 2026
Retailer 8€1,799 EUR
Retailer 2€1,890 EUR
Retailer 10€1,953 EUR
Retailer 9€1,992 EUR
Retailer 11€1,992 EUR
Retailer 7€2,083 EUR
Retailer 3€2,116 EUR
Retailer 12€2,298 EUR
Retailer 4€2,386 EUR
Retailer 6€2,483 EUR
Retailer 5€3,489 EUR
NZ Jewellers€4,163 EUR

22 data points across 12 retailers

11 retailers€1,799 EUR to €4,163 EUR

A
Cheapest Retailer
-
€1,799 EUR
$2,010 USD
A
Retailer 2
-
€1,890 EUR
£1,662 GBP
View
A
Retailer 3
-
€1,953 EUR
$2,182 USD
View
A
Retailer 4
-
€1,992 EUR
$2,225 USD
View
Retailer 5
-
€1,992 EUR
$2,225 USD
View
Price last confirmed 20 days ago
A
Retailer 6
-
€2,083 EUR
$2,327 USD
View
A
Retailer 7
-
€2,116 EUR
$2,364 USD
View
A
Retailer 8
-
€2,298 EUR
$2,567 USD
View
A
Retailer 9
-
€2,483 EUR
View
B+
Retailer 10
-
€3,489 EUR
£3,069 GBP
View
Most Expensive
B
NZ Jewellers
e363ac91-d48e-44a0-bcad-6ccbbdf1bddd · Oct 27
€4,163 EUR
$4,651 USD
View
10 more retailers have this diamond
Prices start from €1,799 EURSave up to €2,364 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
1.27ct Round
€1,799 EUR