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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 $829 USD
As of November 6, 2026
Save $1,782 USD (68%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $2,611 USD 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 $829 to $2,611, a $1,782 spread on the same certified stone. NZ Jewellers lists it at $2,611. 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
Color
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $2,611 USD|Low: $829 USD|High: $2,611 USD|Avg: $1,087 USD
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$829 USD
Retailer 9$833 USD
Retailer 10$833 USD
Retailer 5$844 USD
Retailer 6$865 USD
Retailer 7$959 USD
Retailer 8$961 USD
Retailer 11$965 USD
Retailer 3$1,002 USD
Retailer 4$1,171 USD
NZ Jewellers$2,611 USD

41 data points across 11 retailers

10 retailers$829 USD to $2,611 USD

A
Cheapest Retailer
-
$829 USD
Retailer 2
-
$833 USD
View
Price last confirmed 8 days ago
A
Retailer 3
-
$833 USD
View
A
Retailer 4
-
$844 USD
View
A
Retailer 5
-
$865 USD
View
B+
Retailer 6
-
$959 USD
View
B+
Retailer 7
-
$961 USD
View
B+
Retailer 8
-
$965 USD
View
B+
Retailer 9
-
$1,171 USD
View
Most Expensive
B
NZ Jewellers
2ae8909a-c4d7-497b-ba05-f7692d616448 · Nov 5
$2,611 USD
View
9 more retailers have this diamond
Prices start from $829 USDSave up to $1,782 USD

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
$829 USD