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Round|Natural|GIA

1.29ct F SI1 Round Natural Diamond

EX • F/SI1 • GIA 5241069409

Certificate GIA 5241069409

Diamond specifications and retailer prices

From £2,300 GBP
SGD 4,171 SGD
As of October 31, 2026
Save £2,103 GBP (48%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £4,701 GBP 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 5241069409. Listed at 14 retailers as of October 29, 2026, with a 91% 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
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 5241069409
Dimensions6.95 × 6.99 × 4.33 mm
L/W Ratio1.01
Culet sizeNone
Top View
6.95 mm6.99 mm1.29 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5241069409
Side View
Table 56.0%Crown 34°Girdle: THN-STKPavilion 41.2°Culet: NoneDepth 62.1%

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: £3,521 GBP|Low: £2,300 GBP|High: £4,769 GBP|Avg: £3,266 GBP|-1.2%
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
October 30, 2026
Retailer 13£2,300 GBP
Retailer 8£2,611 GBP
Retailer 10£2,632 GBP
Retailer 9£2,791 GBP
Retailer 4£2,850 GBP
Retailer 5£2,865 GBP
Retailer 6£3,024 GBP
Retailer 11£3,137 GBP
Retailer 2£3,315 GBP
Retailer 3£3,348 GBP
Retailer 7£3,386 GBP
Retailer 1£3,521 GBP
Retailer 12£4,403 GBP
Wholesale Diamonds Direct£4,701 GBP

36 data points across 14 retailers

14 retailers£2,300 GBP to £4,403 GBP

A
Cheapest Retailer
-
£2,300 GBP
SGD 4,171 SGD
A
Retailer 2
-
£2,611 GBP
$3,504 USD
View
A
Retailer 3
-
£2,632 GBP
$3,532 USD
View
A
Retailer 4
-
£2,791 GBP
$3,745 USD
View
A
Retailer 5
-
£2,850 GBP
SGD 5,169 SGD
View
Retailer 6
-
£2,865 GBP
$3,845 USD
View
Price last confirmed 12 days ago
A
Retailer 7
-
£3,024 GBP
View
A
Retailer 8
-
£3,137 GBP
$4,210 USD
View
B+
Retailer 9
-
£3,315 GBP
$4,449 USD
View
B+
Retailer 10
-
£3,348 GBP
$4,493 USD
View
B+
Retailer 11
-
£3,386 GBP
€4,327 EUR
View
B+
Retailer 12
-
£3,521 GBP
View
B+
Retailer 13
-
£4,403 GBP
$5,909 USD
View
Most Expensive
Wholesale Diamonds Direct
403843779 · Oct 26
£4,701 GBP
$6,309 USD
View
Price last confirmed 7 days ago
13 more retailers have this diamond
Prices start from £2,300 GBPSave up to £2,103 GBP

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
£2,300 GBP