Round|Natural|GIA

1.29ct E SI1 Round Natural Diamond

EX • E/SI1 • GIA 1166535734

Certificate GIA 1166535734

Diamond specifications and retailer prices

From $6,496 USD
As of November 5, 2026
Save $2,357 USD (27%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $8,853 USD at Yorxs · As of November 5, 2026
View at Yorxs

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 1166535734. Listed at 4 retailers as of November 5, 2026, with prices from $6,496 to $8,853, a $2,357 spread on the same certified stone. Yorxs lists it at $8,853. 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
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1166535734
Dimensions6.95 × 6.98 × 4.34 mm
L/W Ratio1.00
Top View
6.95 mm6.98 mm1.29 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1166535734
Side View
Table 58.0%CrownGirdle: THN-STKPavilionCulet: NoneDepth 62.3%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 5
Current: $6,496 USD|Low: $6,496 USD|High: $8,853 USD|Avg: $7,643 USD
Retailer 1
Retailer 2
Retailer 3
Yorxs
November 5, 2026
Retailer 1$6,496 USD
Retailer 3$6,896 USD
Retailer 2$8,359 USD
Yorxs$8,853 USD

2 data points across 4 retailers

4 retailers$6,496 USD to $8,853 USD

B+
Cheapest Retailer
-
$6,496 USD
B+
Retailer 2
-
$6,896 USD
View
B
Retailer 3
-
$8,359 USD
View
Most Expensive
B
Yorxs
CC3952 · Nov 5
$8,853 USD
€8,431 EUR
View
3 more retailers have this diamond
Prices start from $6,496 USDSave up to $2,357 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
$6,496 USD