Round|Natural|GIA

1.29ct F SI1 Round Natural Diamond

EX • F/SI1 • GIA 1557909699

Certificate GIA 1557909699

Diamond specifications and retailer prices

From €3,315 EUR
$3,718 USD
As of October 31, 2026
Save €2,625 EUR (44%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €5,957 EUR at Wholesale Diamonds Direct · As of October 26, 2026
View at Wholesale Diamonds Direct

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 F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1557909699. Listed at 14 retailers as of October 31, 2026, with a 79% 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
F
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle34°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 1557909699
Dimensions6.99 × 7.04 × 4.26 mm
L/W Ratio1.01
Culet sizeNone
Top View
6.99 mm7.04 mm1.29 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 1557909699
Side View
Table 59.0%Crown 34°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 60.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: €3,837 EUR|Low: €3,315 EUR|High: €6,248 EUR|Avg: €4,358 EUR|-2.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Wholesale Diamonds Direct
November 2, 2026
Retailer 11€3,315 EUR
Retailer 10€3,341 EUR
Retailer 8€3,511 EUR
Retailer 4€3,618 EUR
Retailer 12€3,631 EUR
Retailer 1€3,837 EUR
Retailer 13€4,197 EUR
Retailer 2€4,226 EUR
Retailer 7€4,268 EUR
Retailer 9€4,410 EUR
Retailer 6€4,600 EUR
Retailer 5€5,590 EUR
Retailer 3€5,940 EUR
Wholesale Diamonds Direct€5,957 EUR

28 data points across 14 retailers

14 retailers€3,315 EUR to €5,940 EUR

A
Cheapest Retailer
-
€3,315 EUR
$3,718 USD
A
Retailer 2
-
€3,341 EUR
$3,747 USD
View
A
Retailer 3
-
€3,511 EUR
$3,938 USD
View
A
Retailer 4
-
€3,618 EUR
SGD 5,484 SGD
View
A
Retailer 5
-
€3,631 EUR
SGD 5,503 SGD
View
A
Retailer 6
-
€3,837 EUR
£3,389 GBP
View
B+
Retailer 7
-
€4,197 EUR
$4,707 USD
View
B+
Retailer 8
-
€4,226 EUR
$4,740 USD
View
B+
Retailer 9
-
€4,268 EUR
View
B+
Retailer 10
-
€4,410 EUR
£3,895 GBP
View
B+
Retailer 11
-
€4,600 EUR
$5,159 USD
View
B+
Retailer 12
-
€5,590 EUR
$6,270 USD
View
B
Retailer 13
-
€5,940 EUR
$6,662 USD
View
Most Expensive
Wholesale Diamonds Direct
273030978 · Oct 26
€5,957 EUR
$6,681 USD
View
Price last confirmed 7 days ago
13 more retailers have this diamond
Prices start from €3,315 EURSave up to €2,625 EUR

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
€3,315 EUR