CaratHunter
Plans
Radiant|Natural|GIA

1.51ct I VS1 Radiant Natural Diamond

VG • I/VS1 • GIA 6432965478

Certificate GIA 6432965478

Diamond specifications and retailer prices

From £4,520 GBP
As of November 6, 2026
Save £1,262 GBP (22%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £5,782 GBP at 77 Diamonds · As of November 7, 2026
View at 77 Diamonds

About this 1.51ct natural radiant diamond

This 1.51ct natural radiant sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade stated by the retailer rather than the lab and certified by GIA 6432965478. Listed at 4 retailers as of November 6, 2026, with prices from £4,520 to £5,782, a £1,262 spread on the same certified stone. 77 Diamonds lists it at £5,782. 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
VS1
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6432965478
Dimensions7.08 × 5.50 × 3.89 mm
L/W Ratio1.29
Top View
7.08 mm5.50 mm1.51 ctI / VS1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6432965478
Side View
Table 70.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 70.8%

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 6
Current: £5,782 GBP|Low: £4,833 GBP|High: £5,868 GBP|Avg: £5,319 GBP|+0.8%
77 Diamonds
Retailer 2
Retailer 3
November 7, 2026
Retailer 3£4,833 GBP
Retailer 2£4,986 GBP
77 Diamonds£5,782 GBP

33 data points across 3 retailers

4 retailers£4,520 GBP to £5,782 GBP

A
Cheapest Retailer
-
£4,520 GBP
A
Retailer 2
-
£4,833 GBP
View
A
Retailer 3
-
£4,986 GBP
View
Most Expensive
B+
77 Diamonds
RADMBXMTZQKFX · Nov 7
£5,782 GBP
View
3 more retailers have this diamond
Prices start from £4,520 GBPSave up to £1,262 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 Radiant
£4,520 GBP