Round|Natural|GIA

1.29ct F SI1 Round Natural Diamond

EX • F/SI1 • GIA 1246023151

Certificate GIA 1246023151

Diamond specifications and retailer prices

From $4,233 USD
As of October 29, 2026
Save $2,971 USD (41%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $7,640 USD 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 1246023151. Listed at 11 retailers as of October 29, 2026, with a 70% 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
FluorescenceNone
Crown angle36.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 1246023151
Dimensions6.90 × 4.35 × 4.35 mm
L/W Ratio1.59
Culet sizeNone
Top View
6.90 mm4.35 mm1.29 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1246023151
Side View
Table 56.0%Crown 36.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.7%

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 29
Current: $5,563 USD|Low: $4,233 USD|High: $8,024 USD|Avg: $5,609 USD|-3.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Wholesale Diamonds Direct
October 30, 2026
Retailer 7$4,233 USD
Retailer 9$4,352 USD
Retailer 6$4,525 USD
Retailer 2$4,663 USD
Retailer 4$4,831 USD
Retailer 10$5,379 USD
Retailer 3$5,538 USD
Retailer 1$5,563 USD
Retailer 5$5,927 USD
Retailer 8$7,204 USD
Wholesale Diamonds Direct$7,640 USD

32 data points across 11 retailers

11 retailers$4,233 USD to $7,204 USD

A
Cheapest Retailer
-
$4,233 USD
A
Retailer 2
-
$4,352 USD
SGD 5,881 SGD
View
A
Retailer 3
-
$4,525 USD
View
A
Retailer 4
-
$4,663 USD
SGD 6,301 SGD
View
B+
Retailer 5
-
$4,831 USD
£3,804 GBP
View
B+
Retailer 6
-
$5,379 USD
View
B+
Retailer 7
-
$5,538 USD
€5,274 EUR
View
B+
Retailer 8
-
$5,563 USD
£4,380 GBP
View
B+
Retailer 9
-
$5,927 USD
View
B
Retailer 10
-
$7,204 USD
View
Most Expensive
Wholesale Diamonds Direct
594396961 · Oct 26
$7,640 USD
View
Price last confirmed 7 days ago
10 more retailers have this diamond
Prices start from $4,233 USDSave up to $2,971 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
$4,233 USD