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Round|Natural|GIA

1.51ct H SI2 Round Natural Diamond

VG • H/SI2 • GIA 7558636517

Certificate GIA 7558636517

Diamond specifications and retailer prices

From £2,942 GBP
$3,942 USD
As of November 1, 2026
Save £3,157 GBP (52%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £6,099 GBP at MOH London · As of November 1, 2026
View at MOH London

About this 1.51ct natural round diamond

This 1.51ct natural round sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by GIA 7558636517. Listed at 18 retailers as of November 1, 2026, with prices from £2,942 to £6,099, a £3,157 spread on the same certified stone. MOH London lists it at £6,099. 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

1.51
Carat
H
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle38.5°
Pavilion angle39.8°
OriginNatural
Grading LabGIA
CertificateGIA 7558636517
Dimensions7.08 × 4.55 × 4.55 mm
L/W Ratio1.56
Culet sizeNone
Top View
7.08 mm4.55 mm1.51 ctH / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 7558636517
Side View
Table 57.0%Crown 38.5°Girdle: MED-THKPavilion 39.8°Culet: NoneDepth 63.8%

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: Nov 1
Current: £6,099 GBP|Low: £2,637 GBP|High: £6,459 GBP|Avg: £3,952 GBP|-5.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
November 1, 2026
Retailer 17£2,942 GBP
Retailer 13£3,024 GBP
Retailer 6£3,026 GBP
Retailer 18£3,062 GBP
Retailer 7£3,203 GBP
Retailer 5£3,444 GBP
Retailer 10£3,688 GBP
Retailer 8£3,696 GBP
Retailer 12£3,798 GBP
Retailer 4£3,896 GBP
Retailer 14£3,896 GBP
Retailer 15£4,023 GBP
Retailer 9£4,227 GBP
Retailer 16£4,227 GBP
Retailer 11£4,261 GBP
Retailer 2£4,625 GBP
Retailer 3£5,544 GBP
MOH London£6,099 GBP

29 data points across 18 retailers

18 retailers£2,942 GBP to £6,099 GBP

A
Cheapest Retailer
-
£2,942 GBP
$3,942 USD
B+
Retailer 2
-
£3,024 GBP
$4,051 USD
View
A
Retailer 3
-
£3,026 GBP
$4,054 USD
View
A
Retailer 4
-
£3,062 GBP
$4,102 USD
View
A
Retailer 5
-
£3,203 GBP
$4,291 USD
View
Final sale: no returns
A
Retailer 6
-
£3,293 GBP
$4,412 USD
View
A
Retailer 7
-
£3,444 GBP
$4,615 USD
View
A
Retailer 8
-
£3,696 GBP
$4,953 USD
View
A
Retailer 9
-
£3,798 GBP
View
B+
Retailer 10
-
£3,805 GBP
$5,098 USD
View
B+
Retailer 11
-
£3,896 GBP
$5,220 USD
View
B+
Retailer 12
-
£3,896 GBP
$5,220 USD
View
B+
Retailer 13
-
£4,023 GBP
$5,390 USD
View
B+
Retailer 14
-
£4,227 GBP
View
B+
Retailer 15
-
£4,261 GBP
€5,438 EUR
View
B+
Retailer 16
-
£4,625 GBP
View
B
Retailer 17
-
£5,544 GBP
$7,428 USD
View
Most Expensive
B
MOH London
15B7596B2 · Nov 1
£6,099 GBP
View
17 more retailers have this diamond
Prices start from £2,942 GBPSave up to £3,157 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
1.51ct Round
£2,942 GBP