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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 $3,566 NZD
$2,010 USD
As of October 28, 2026
Save $4,686 NZD (57%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $8,252 NZD 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 $3,566 to $8,252, a $4,686 spread on the same certified stone. NZ Jewellers lists it at $8,252. 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
Colour
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: $8,252 NZD|Low: $3,566 NZD|High: $8,252 NZD|Avg: $4,851 NZD
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$3,566 NZD
Retailer 2$3,746 NZD
Retailer 10$3,872 NZD
Retailer 9$3,948 NZD
Retailer 11$3,948 NZD
Retailer 7$4,129 NZD
Retailer 3$4,194 NZD
Retailer 12$4,555 NZD
Retailer 4$4,731 NZD
Retailer 6$4,922 NZD
Retailer 5$6,916 NZD
NZ Jewellers$8,252 NZD

22 data points across 12 retailers

11 retailers$3,566 NZD to $8,252 NZD

A
Cheapest Retailer
-
$3,566 NZD
$2,010 USD
A
Retailer 2
-
$3,746 NZD
£1,662 GBP
View
A
Retailer 3
-
$3,872 NZD
$2,182 USD
View
A
Retailer 4
-
$3,948 NZD
$2,225 USD
View
Retailer 5
-
$3,948 NZD
$2,225 USD
View
Price last confirmed 21 days ago
A
Retailer 6
-
$4,129 NZD
$2,327 USD
View
A
Retailer 7
-
$4,194 NZD
$2,364 USD
View
A
Retailer 8
-
$4,555 NZD
$2,567 USD
View
A
Retailer 9
-
$4,922 NZD
€2,642 EUR
View
B+
Retailer 10
-
$6,916 NZD
£3,069 GBP
View
Most Expensive
B
NZ Jewellers
e363ac91-d48e-44a0-bcad-6ccbbdf1bddd · Oct 27
$8,252 NZD
$4,651 USD
View
10 more retailers have this diamond
Prices start from $3,566 NZDSave up to $4,686 NZD

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
$3,566 NZD