Round|Natural|GIA

1.29ct E SI1 Round Natural Diamond

EX • E/SI1 • GIA 1232967390

Certificate GIA 1232967390

Diamond specifications and retailer prices

From $5,082 USD
As of November 5, 2026
Save $3,140 USD (38%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $8,222 USD at MOH London · As of November 4, 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 E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1232967390. Listed at 4 retailers as of November 4, 2026, with prices from $5,082 to $8,222, a $3,140 spread on the same certified stone. MOH London lists it at $8,222. 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
E
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1232967390
Dimensions6.94 × 6.91 × 4.32 mm
L/W Ratio1.00
Top View
6.94 mm6.91 mm1.29 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1232967390
Side View
Table 58.0%CrownGirdlePavilionCuletDepth 62.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 5
Current: $8,222 USD|Low: $5,082 USD|High: $8,343 USD|Avg: $6,067 USD|-1.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
November 5, 2026
Retailer 3$5,082 USD
Retailer 4$5,217 USD
Retailer 2$5,812 USD
MOH London$8,222 USD

16 data points across 4 retailers

4 retailers$5,082 USD to $8,222 USD

A
Cheapest Retailer
-
$5,082 USD
Retailer 2
-
$5,217 USD
View
Price last confirmed 28 days ago
B+
Retailer 3
-
$5,812 USD
View
Most Expensive
B
MOH London
7CFE81917 · Nov 4
$8,222 USD
£6,474 GBP
View
3 more retailers have this diamond
Prices start from $5,082 USDSave up to $3,140 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
1.29ct Round
$5,082 USD