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Round|Natural|GIA

1.29ct H SI2 Round Natural Diamond

VG • H/SI2 • GIA 6422001795

Certificate GIA 6422001795

Diamond specifications and retailer prices

From £2,369 GBP
A$4,883 AUD
As of October 31, 2026
Save £3,248 GBP (58%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £5,616 GBP at Diamond Quarter · As of October 31, 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 H colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by GIA 6422001795. Listed at 12 retailers as of October 31, 2026, with prices from £2,369 to £5,616, a £3,248 spread on the same certified stone. Diamond Quarter lists it at £5,616. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.29
Carat
H
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6422001795
Dimensions6.95 × 6.93 × 4.33 mm
L/W Ratio1.00
Top View
6.95 mm6.93 mm1.29 ctH / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6422001795
Side View
Table 55.0%CrownGirdle: Sli. ThickPavilionCulet: NoneDepth 62.5%

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: £3,138 GBP|Low: £2,087 GBP|High: £4,807 GBP|Avg: £2,896 GBP|+2.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 31, 2026
Retailer 10£2,087 GBP
Retailer 6£2,329 GBP
Retailer 7£2,447 GBP
Retailer 8£2,760 GBP
Retailer 4£2,891 GBP
Retailer 2£2,918 GBP
Retailer 3£2,918 GBP
Retailer 11£3,015 GBP
Retailer 1£3,138 GBP
Retailer 9£3,220 GBP
Retailer 5£4,782 GBP

24 data points across 11 retailers

12 retailers£2,369 GBP to £5,616 GBP

Retailer 1
-
£2,329 GBP
$3,120 USD
Price last confirmed 10 days ago
A
Retailer 2
-
£2,369 GBP
A$4,883 AUD
View
A
Retailer 3
-
£2,447 GBP
CA$4,554 CAD
View
B+
Retailer 4
-
£2,760 GBP
$3,698 USD
View
B+
Retailer 5
-
£2,891 GBP
View
B+
Retailer 6
-
£2,918 GBP
$3,910 USD
View
B+
Retailer 7
-
£2,918 GBP
$3,910 USD
View
B+
Retailer 8
-
£3,015 GBP
$4,040 USD
View
B+
Retailer 9
-
£3,138 GBP
€4,004 EUR
View
Retailer 10
-
£3,220 GBP
$4,315 USD
View
Price last confirmed 8 days ago
B
Retailer 11
-
£4,782 GBP
View
Most Expensive
C
Diamond Quarter
1.29SI2H6495A35DN · Oct 31
£5,616 GBP
View
11 more retailers have this diamond
Prices start from £2,369 GBPSave up to £3,248 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
£2,369 GBP