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1.29ct I SI2 Round Natural Diamond

EX • I/SI2 • GIA 1365176849

Certificate GIA 1365176849

Diamond specifications and retailer prices

From $4,786 USD
£3,769 GBP
As of October 30, 2026
Save $2,939 USD (38%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $7,725 USD at MOH London · As of October 26, 2026
View at MOH London

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 I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1365176849. Listed at 5 retailers as of October 26, 2026, with prices from $4,786 to $7,725, a $2,939 spread on the same certified stone. MOH London lists it at $7,725. 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
I
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 1365176849
Dimensions6.95 × 6.91 × 4.35 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Girdle conditionFaceted
Culet sizeNone
Cert comments
Additional clouds are not shown. Pinpoints are not shown.
Top View
6.95 mm6.91 mm1.29 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1365176849
Side View
Table 58.0%Crown 35°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 62.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $7,725 USD|Low: $3,920 USD|High: $7,808 USD|Avg: $5,147 USD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 30, 2026
Retailer 4$3,920 USD
Retailer 6$3,926 USD
Retailer 3$4,786 USD
Retailer 5$5,349 USD
Retailer 2$5,483 USD
MOH London$7,725 USD

40 data points across 6 retailers

5 retailers$4,786 USD to $7,725 USD

Retailer 1
-
$3,920 USD
Price last confirmed 9 days ago
B+
Retailer 2
-
$4,786 USD
£3,769 GBP
View
Retailer 3
-
$5,349 USD
View
Price last confirmed 7 days ago
B
Retailer 4
-
$5,483 USD
€5,222 EUR
View
Most Expensive
B
MOH London
89DE30EEF · Oct 26
$7,725 USD
£6,083 GBP
View
4 more retailers have this diamond
Prices start from $4,786 USDSave up to $2,939 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.

B+
1.29ct Round
$4,786 USD