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1.29ct E SI1 Round Natural Diamond

EX • E/SI1 • GIA 1166535734

Certificate GIA 1166535734

Diamond specifications and retailer prices

From $11,556 NZD
As of November 5, 2026
Save $4,192 NZD (27%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $15,748 NZD 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 $11,556 to $15,748, a $4,192 spread on the same certified stone. Yorxs lists it at $15,748. 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
Colour
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $11,556 NZD|Low: $11,556 NZD|High: $15,748 NZD|Avg: $13,596 NZD
Retailer 1
Retailer 2
Retailer 3
Yorxs
November 5, 2026
Retailer 1$11,556 NZD
Retailer 3$12,267 NZD
Retailer 2$14,870 NZD
Yorxs$15,748 NZD

2 data points across 4 retailers

4 retailers$11,556 NZD to $15,748 NZD

B+
Cheapest Retailer
-
$11,556 NZD
B+
Retailer 2
-
$12,267 NZD
View
B
Retailer 3
-
$14,870 NZD
View
Most Expensive
B
Yorxs
CC3952 · Nov 5
$15,748 NZD
€8,431 EUR
View
3 more retailers have this diamond
Prices start from $11,556 NZDSave up to $4,192 NZD

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
$11,556 NZD