Round|Natural|GIA

1.29ct F VS1 Round Natural Diamond

EX • F/VS1 • GIA 6405688816

Certificate GIA 6405688816

Diamond specifications and retailer prices

From £9,278 GBP
€11,840 EUR
As of November 1, 2026
Save £3,496 GBP (27%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: £18,575 GBP at Diamond Quarter · As of October 29, 2026
View at Diamond Quarter

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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by GIA 6405688816. Listed at 26 retailers as of November 1, 2026, with a 38% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.29
Carat
F
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6405688816
Dimensions6.99 × 6.95 × 4.28 mm
L/W Ratio1.01
Top View
6.99 mm6.95 mm1.29 ctF / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6405688816
Side View
Table 61.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 61.4%

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 1
Current: £11,080 GBP|Low: £9,278 GBP|High: £16,757 GBP|Avg: £12,236 GBP|-0.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 9£9,278 GBP
Retailer 7£9,310 GBP
Retailer 8£10,160 GBP
Retailer 1£11,080 GBP
Retailer 10£11,308 GBP
Retailer 6£11,392 GBP
Retailer 2£11,926 GBP
Retailer 4£12,774 GBP
Retailer 5£15,575 GBP
Retailer 3£16,557 GBP

44 data points across 10 retailers

26 retailers£9,278 GBP to £12,774 GBP

B
Cheapest Retailer
-
£9,278 GBP
€11,840 EUR
B+
Retailer 2
-
£9,310 GBP
$12,475 USD
View
B
Retailer 3
-
£9,693 GBP
$12,987 USD
View
B
Retailer 4
-
£9,836 GBP
$13,179 USD
View
B
Retailer 5
-
£9,922 GBP
CA$18,465 CAD
View
B
Retailer 6
-
£10,160 GBP
$13,613 USD
View
Final sale: no returns
B
Retailer 7
-
£10,408 GBP
$13,945 USD
View
B
Retailer 8
-
£10,602 GBP
$14,205 USD
View
B
Retailer 9
-
£11,080 GBP
View
B
Retailer 10
-
£11,308 GBP
$15,152 USD
View
Retailer 11
-
£11,392 GBP
A$23,484 AUD
View
Price last confirmed 9 days ago
Retailer 12
-
£11,485 GBP
$15,389 USD
View
Price last confirmed 69 days ago
B
Retailer 13
-
£11,485 GBP
$15,389 USD
View
Retailer 14
-
£11,926 GBP
$15,980 USD
View
Price last confirmed 56 days ago
B
Retailer 15
-
£11,926 GBP
$15,980 USD
View
B
Retailer 16
-
£12,023 GBP
$16,110 USD
View
B
Retailer 17
-
£12,023 GBP
$16,110 USD
View
B
Retailer 18
-
£12,414 GBP
$16,633 USD
View
B
Retailer 19
-
£12,419 GBP
$16,640 USD
View
B
Retailer 20
-
£12,729 GBP
$17,055 USD
View
B
Retailer 21
-
£12,774 GBP
€16,301 EUR
View
Retailer 22
-
£15,018 GBP
$20,123 USD
View
Price under review
Retailer 23
-
£15,018 GBP
$20,123 USD
View
Price under review
Retailer 24
-
£15,575 GBP
ZAR 337,141 ZAR
View
Price under review
Retailer 25
-
£16,557 GBP
View
Price under review
Most Expensive
Diamond Quarter
1.29VS1F641672BCN · Oct 29
£18,575 GBP
View
Price under review
25 more retailers have this diamond
Prices start from £9,278 GBPSave up to £3,496 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.

B+
1.29ct Round
£9,278 GBP