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Round|Natural|GIA

1.51ct K IF Round Natural Diamond

VG • K/IF • GIA 7398668331

Certificate GIA 7398668331

Diamond specifications and retailer prices

From £2,734 GBP
As of November 6, 2026
Save £1,155 GBP (30%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £3,889 GBP at 77 Diamonds · As of November 6, 2026
View at 77 Diamonds

About this 1.51ct natural round diamond

This 1.51ct natural round sits in the one-and-a-half to two carat band, graded K colour (faint-tinted) and IF clarity (flawless or internally-flawless), with a very-good cut grade and certified by GIA 7398668331. Listed at 7 retailers as of November 6, 2026, with prices from £2,734 to £3,889, a £1,155 spread on the same certified stone. 77 Diamonds lists it at £3,889. 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
K
Colour
IF
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryExcellent
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 7398668331
Dimensions7.19 × 7.10 × 4.58 mm
L/W Ratio1.01
Top View
7.19 mm7.10 mm1.51 ctK / IF
OriginNatural
CutVery Good
PolishVery Good
SymmetryExcellent
FluorescenceMedium
CertificateGIA 7398668331
Side View
Table 58.0%CrownGirdle: MED-MEDPavilionCulet: NoneDepth 64.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: £3,889 GBP|Low: £2,699 GBP|High: £3,953 GBP|Avg: £3,310 GBP|+0.8%
77 Diamonds
Retailer 2
Retailer 3
Retailer 4
November 6, 2026
Retailer 4£2,734 GBP
Retailer 3£2,790 GBP
Retailer 2£3,793 GBP
77 Diamonds£3,889 GBP

39 data points across 4 retailers

7 retailers£2,734 GBP to £3,889 GBP

A
Cheapest Retailer
-
£2,734 GBP
A
Retailer 2
-
£2,751 GBP
View
A
Retailer 3
-
£2,790 GBP
View
A
Retailer 4
-
£2,828 GBP
View
A
Retailer 5
-
£2,862 GBP
View
A
Retailer 6
-
£3,793 GBP
View
Most Expensive
A
77 Diamonds
RBMBAKTQXKGF · Nov 6
£3,889 GBP
View
6 more retailers have this diamond
Prices start from £2,734 GBPSave up to £1,155 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
£2,734 GBP