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Round|Natural|GIA

1.28ct H VVS1 Round Natural Diamond

EX • H/VVS1 • GIA 10637141

Certificate GIA 10637141

Diamond specifications and retailer prices

From £8,334 GBP
As of November 6, 2026
Save £3,110 GBP (27%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: £14,855 GBP at MOH London · As of November 4, 2026
View at MOH London

About this 1.28ct natural round diamond

This 1.28ct natural round sits in the one-and-a-quarter to one-and-a-half carat band, graded H colour (near-colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by GIA 10637141. Listed at 23 retailers as of November 5, 2026, with a 37% 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

1.28
Carat
H
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 10637141
Dimensions7.06 × 7.10 × 4.28 mm
L/W Ratio1.01
Culet sizeNone
Top View
7.06 mm7.10 mm1.28 ctH / VVS1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceMedium
CertificateGIA 10637141
Side View
Table 57.0%CrownGirdle: THN-MEDPavilionCulet: NoneDepth 60.5%

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: £14,855 GBP|Low: £8,334 GBP|High: £15,075 GBP|Avg: £11,168 GBP|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 8£8,334 GBP
Retailer 6£9,140 GBP
Retailer 3£10,007 GBP
Retailer 7£10,173 GBP
Retailer 5£10,239 GBP
Retailer 4£11,444 GBP
Retailer 2£13,915 GBP
MOH London£14,855 GBP

45 data points across 8 retailers

23 retailers£8,334 GBP to £11,444 GBP

B
Cheapest Retailer
-
£8,334 GBP
B
Retailer 2
-
£8,849 GBP
View
B
Retailer 3
-
£8,912 GBP
View
B
Retailer 4
-
£8,918 GBP
View
B
Retailer 5
-
£9,140 GBP
View
Final sale: no returns
B
Retailer 6
-
£9,380 GBP
View
Retailer 7
-
£9,538 GBP
View
Price last confirmed 8 days ago
B
Retailer 8
-
£10,007 GBP
View
B
Retailer 9
-
£10,173 GBP
View
Retailer 10
-
£10,239 GBP
View
Price last confirmed 14 days ago
Retailer 11
-
£10,333 GBP
View
Price last confirmed 60 days ago
B
Retailer 12
-
£10,333 GBP
View
B
Retailer 13
-
£10,729 GBP
View
B
Retailer 14
-
£10,945 GBP
View
B
Retailer 15
-
£10,945 GBP
View
B
Retailer 16
-
£11,194 GBP
View
B
Retailer 17
-
£11,311 GBP
View
B
Retailer 18
-
£11,434 GBP
View
B
Retailer 19
-
£11,444 GBP
View
Retailer 20
-
£13,511 GBP
View
Price under review
Retailer 21
-
£13,915 GBP
View
Price under review
Most Expensive
MOH London
C12020941 · Nov 4
£14,855 GBP
View
Price under review
21 more retailers have this diamond
Prices start from £8,334 GBPSave up to £3,110 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
1.28ct Round
£8,334 GBP