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Round|Natural|IGI

1.27ct M SI2 Round Natural Diamond

EX • M/SI2 • IGI 617454860

Shape and cutting style on the report: Round brilliant

Certificate IGI 617454860

Diamond specifications and retailer prices

From $1,184 AUD
As of November 6, 2026
Save $2,546 AUD (68%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $3,730 AUD at NZ Jewellers · As of November 5, 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 M colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI 617454860. Listed at 10 retailers as of November 5, 2026, with prices from $1,184 to $3,730, a $2,546 spread on the same certified stone. NZ Jewellers lists it at $3,730. 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
M
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle40.9°
OriginNatural
Grading LabIGI
CertificateIGI 617454860
Dimensions6.81 × 6.91 × 4.34 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
6.81 mm6.91 mm1.27 ctM / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 617454860
Side View
Table 58.0%Crown 36.4°GirdlePavilion 40.9°Culet: NoneDepth 63.4%

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 6
Current: $3,730 AUD|Low: $1,184 AUD|High: $3,730 AUD|Avg: $1,553 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 2$1,184 AUD
Retailer 9$1,190 AUD
Retailer 10$1,190 AUD
Retailer 5$1,206 AUD
Retailer 6$1,236 AUD
Retailer 7$1,370 AUD
Retailer 8$1,373 AUD
Retailer 11$1,379 AUD
Retailer 3$1,431 AUD
Retailer 4$1,673 AUD
NZ Jewellers$3,730 AUD

41 data points across 11 retailers

10 retailers$1,184 AUD to $3,730 AUD

A
Cheapest Retailer
-
$1,184 AUD
Retailer 2
-
$1,190 AUD
View
Price last confirmed 8 days ago
A
Retailer 3
-
$1,190 AUD
View
A
Retailer 4
-
$1,206 AUD
View
A
Retailer 5
-
$1,236 AUD
View
B+
Retailer 6
-
$1,370 AUD
View
B+
Retailer 7
-
$1,373 AUD
View
B+
Retailer 8
-
$1,379 AUD
View
B+
Retailer 9
-
$1,673 AUD
View
Most Expensive
B
NZ Jewellers
2ae8909a-c4d7-497b-ba05-f7692d616448 · Nov 5
$3,730 AUD
$2,611 USD
View
9 more retailers have this diamond
Prices start from $1,184 AUDSave up to $2,546 AUD

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
$1,184 AUD