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Round|Natural|IGI

1.27ct I SI2 Round Natural Diamond

VG • I/SI2 • IGI 523290758

Shape and cutting style on the report: Round brilliant

Certificate IGI 523290758

Diamond specifications and retailer prices

From $4,407 NZD
$2,484 USD
As of October 30, 2026
Save $5,882 NZD (57%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $10,289 NZD at NZ Jewellers · As of October 30, 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 very-good cut grade and certified by IGI 523290758. Listed at 12 retailers as of October 30, 2026, with prices from $4,407 to $10,289, a $5,882 spread on the same certified stone. NZ Jewellers lists it at $10,289. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.27
Carat
I
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle41.6°
OriginNatural
Grading LabIGI
CertificateIGI 523290758
Dimensions6.80 × 6.77 × 4.37 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Top View
6.80 mm6.77 mm1.27 ctI / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 523290758
Side View
Table 57.5%Crown 35.6°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 64.3%

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 30
Current: $10,289 NZD|Low: $4,163 NZD|High: $11,214 NZD|Avg: $6,237 NZD|-8.2%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 1, 2026
Retailer 9$4,407 NZD
Retailer 7$4,480 NZD
Retailer 10$4,542 NZD
Retailer 12$4,922 NZD
Retailer 13$4,922 NZD
Retailer 3$4,975 NZD
Retailer 8$5,110 NZD
Retailer 11$5,678 NZD
Retailer 2$5,736 NZD
Retailer 4$6,383 NZD
Retailer 6$8,621 NZD
Retailer 5$8,666 NZD
NZ Jewellers$10,289 NZD

28 data points across 13 retailers

12 retailers$4,407 NZD to $10,289 NZD

A
Cheapest Retailer
-
$4,407 NZD
$2,484 USD
Retailer 2
-
$4,480 NZD
$2,525 USD
View
B+
Retailer 3
-
$4,542 NZD
$2,560 USD
View
Final sale: no returns
B+
Retailer 4
-
$4,922 NZD
$2,774 USD
View
B+
Retailer 5
-
$4,922 NZD
$2,774 USD
View
A
Retailer 6
-
$5,110 NZD
$2,880 USD
View
Retailer 7
-
$5,364 NZD
$3,023 USD
View
Price last confirmed 55 days ago
B+
Retailer 8
-
$5,678 NZD
$3,200 USD
View
A
Retailer 9
-
$5,736 NZD
€3,079 EUR
View
Retailer 10
-
$6,189 NZD
$3,488 USD
View
Price last confirmed 56 days ago
B
Retailer 11
-
$8,621 NZD
£3,826 GBP
View
Most Expensive
B
NZ Jewellers
4cc9f96c-d8c8-4d2c-9a2a-53fa9ec43a4d · Oct 30
$10,289 NZD
$5,799 USD
View
11 more retailers have this diamond
Prices start from $4,407 NZDSave up to $5,882 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
$4,407 NZD