Round|Natural|GIA

1.10ct H VS1 Round Natural Diamond

EX • H/VS1 • GIA 2506399699

Certificate GIA 2506399699

Diamond specifications and retailer prices

From £4,422 GBP
$5,925 USD
As of October 25, 2026
Save £3,431 GBP (44%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £9,781 GBP at Diamond Quarter · As of October 31, 2026
View at Diamond Quarter

About this 1.1ct natural round diamond

This 1.1ct natural round sits in the classic one-carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by GIA 2506399699. Listed at 16 retailers as of October 25, 2026, with a 78% 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

1.10
Carat
H
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
Crown angle35.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 2506399699
Dimensions6.58 × 6.52 × 4.10 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Culet sizeNone
Top View
6.58 mm6.52 mm1.10 ctH / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 2506399699
Side View
Table 59.0%Crown 35.5°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.6%

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: Oct 25
Current: £6,125 GBP|Low: £4,400 GBP|High: £7,905 GBP|Avg: £5,455 GBP|+3.9%
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
October 30, 2026
Retailer 10£4,422 GBP
Retailer 12£4,428 GBP
Retailer 3£4,465 GBP
Retailer 2£4,687 GBP
Retailer 4£4,687 GBP
Retailer 13£4,709 GBP
Retailer 7£5,248 GBP
Retailer 6£5,260 GBP
Retailer 11£5,440 GBP
Retailer 1£6,125 GBP
Retailer 5£6,176 GBP
Retailer 9£6,825 GBP
Retailer 8£7,853 GBP

26 data points across 13 retailers

16 retailers£4,422 GBP to £7,853 GBP

B
Cheapest Retailer
-
£4,422 GBP
$5,925 USD
B
Retailer 2
-
£4,428 GBP
$5,933 USD
View
B
Retailer 3
-
£4,465 GBP
$5,982 USD
View
B
Retailer 4
-
£4,687 GBP
$6,280 USD
View
Final sale: no returns
B
Retailer 5
-
£4,709 GBP
$6,310 USD
View
Retailer 6
-
£5,077 GBP
$6,803 USD
View
Price last confirmed 44 days ago
B
Retailer 7
-
£5,248 GBP
View
B
Retailer 8
-
£5,260 GBP
View
Retailer 9
-
£5,440 GBP
A$11,213 AUD
View
Price last confirmed 9 days ago
Retailer 10
-
£5,859 GBP
$7,850 USD
View
Price last confirmed 39 days ago
B
Retailer 11
-
£6,125 GBP
€7,816 EUR
View
Retailer 12
-
£6,176 GBP
$8,275 USD
View
Price last confirmed 8 days ago
B
Retailer 13
-
£6,825 GBP
ZAR 147,731 ZAR
View
B
Retailer 14
-
£7,853 GBP
View
Retailer 15
-
£9,374 GBP
$12,560 USD
View
Price under review
Most Expensive
Diamond Quarter
1.1VS1H2599B4C9N · Oct 31
£9,781 GBP
View
Price under review
15 more retailers have this diamond
Prices start from £4,422 GBPSave up to £3,431 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
1.10ct Round
£4,422 GBP