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Round|Natural|GIA

1.51ct I I1 Round Natural Diamond

GD • I/I1 • GIA 2235357820

Certificate GIA 2235357820

Diamond specifications and retailer prices

From £4,023 GBP
$5,391 USD
As of October 31, 2026
Save £1,574 GBP (28%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £5,597 GBP at Jared · As of October 30, 2026
View at Jared

About this 1.51ct natural round diamond

This 1.51ct natural round sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and I1 clarity (included), with a standard cut grade and certified by GIA 2235357820. Listed at 8 retailers as of October 30, 2026, with prices from £4,023 to £5,597, a £1,574 spread on the same certified stone. Jared lists it at £5,597. 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
I
Colour
I1
Clarity
Good
Cut

Specifications

CutGood
PolishVery Good
SymmetryGood
FluorescenceNone
Crown angle39°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 2235357820
Dimensions7.11 × 7.06 × 4.58 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Culet sizeNone
Top View
7.11 mm7.06 mm1.51 ctI / I1
OriginNatural
CutGood
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateGIA 2235357820
Side View
Table 61.0%Crown 39°Girdle: MED-VTKPavilion 40.6°Culet: NoneDepth 64.6%

Caratlytics Score

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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 31
Current: £5,597 GBP|Low: £3,970 GBP|High: £5,961 GBP|Avg: £5,042 GBP
Jared
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 4£4,023 GBP
Retailer 3£4,086 GBP
Retailer 6£4,249 GBP
Retailer 5£5,139 GBP
Retailer 7£5,418 GBP
Retailer 8£5,418 GBP
Retailer 2£5,533 GBP
Jared£5,597 GBP
Retailer 9£5,961 GBP

24 data points across 9 retailers

8 retailers£4,023 GBP to £5,597 GBP

B
Cheapest Retailer
-
£4,023 GBP
$5,391 USD
Retailer 2
-
£4,086 GBP
$5,475 USD
View
Price last confirmed 14 days ago
B
Retailer 3
-
£4,249 GBP
$5,693 USD
View
C
Retailer 4
-
£5,139 GBP
$6,886 USD
View
C
Retailer 5
-
£5,418 GBP
$7,260 USD
View
C
Retailer 6
-
£5,418 GBP
$7,260 USD
View
C
Retailer 7
-
£5,533 GBP
€7,061 EUR
View
Most Expensive
C
Jared
153651908 · Oct 30
£5,597 GBP
$7,500 USD
View
7 more retailers have this diamond
Prices start from £4,023 GBPSave up to £1,574 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
1.51ct Round
£4,023 GBP