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Round|Natural|IGI

1.29ct J SI2 Round Natural Diamond

EX • J/SI2 • IGI 678518039

Shape and cutting style on the report: Round brilliant

Certificate IGI 678518039

Diamond specifications and retailer prices

From ₹85,302 INR
As of November 1, 2026
Save ₹1,14,751 INR (57%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: ₹2,66,335 INR at NZ Jewellers · As of September 26, 2026
View at NZ Jewellers

About this 1.29ct natural round diamond

This 1.29ct natural round sits in the one-and-a-quarter to one-and-a-half carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI 678518039. Listed at 15 retailers as of November 1, 2026, with a 135% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

1.29
Carat
J
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle41.3°
OriginNatural
Grading LabIGI
CertificateIGI 678518039
Dimensions6.90 × 6.86 × 4.36 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
6.90 mm6.86 mm1.29 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 678518039
Side View
Table 59.0%Crown 36°Girdle: MED-STKPavilion 41.3°Culet: NoneDepth 63.4%

Caratlytics Score

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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 1
Current: ₹85,302 INR|Low: ₹85,103 INR|High: ₹2,02,465 INR|Avg: ₹1,31,976 INR|-2.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 1, 2026
Retailer 1₹85,302 INR
Retailer 5₹1,04,635 INR
Retailer 2₹1,05,075 INR
Retailer 4₹1,52,238 INR
Retailer 3₹2,00,053 INR

44 data points across 5 retailers

15 retailers₹85,302 INR to ₹2,00,053 INR

A
Cheapest Retailer
-
₹85,302 INR
Retailer 2
-
₹1,03,915 INR
$1,094 USD
View
Price last confirmed 91 days ago
A
Retailer 3
-
₹1,04,635 INR
$1,102 USD
View
A
Retailer 4
-
₹1,05,075 INR
£871 GBP
View
Retailer 5
-
₹1,09,193 INR
$1,150 USD
View
Price last confirmed 45 days ago
Retailer 6
-
₹1,09,193 INR
$1,150 USD
View
Price last confirmed 25 days ago
Retailer 7
-
₹1,09,193 INR
$1,150 USD
View
Price last confirmed 25 days ago
Retailer 8
-
₹1,13,370 INR
$1,194 USD
View
Price last confirmed 33 days ago
A
Retailer 9
-
₹1,21,952 INR
$1,284 USD
View
Retailer 10
-
₹1,25,999 INR
$1,327 USD
View
Price last confirmed 41 days ago
Retailer 11
-
₹1,25,999 INR
$1,327 USD
View
Price last confirmed 24 days ago
A
Retailer 12
-
₹1,52,238 INR
€1,527 EUR
View
A
Retailer 13
-
₹2,00,053 INR
£1,659 GBP
View
Retailer 14
-
₹2,66,335 INR
$2,805 USD
View
Price last confirmed 41 days ago
Most Expensive
NZ Jewellers
3888afb2-bcee-4462-95a8-39e6533ce625 · Sep 26
₹2,66,335 INR
$2,805 USD
View
Price last confirmed 36 days ago
14 more retailers have this diamond
Prices start from ₹85,302 INRSave up to ₹1,14,751 INR

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
1.29ct Round
₹85,302 INR