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Heart|Natural|GIA

1.31ct K VS2 Heart Natural Diamond

GD • K/VS2 • GIA 3

Certificate GIA 3

Diamond specifications and retailer prices

From £2,713 GBP
As of November 6, 2026
Save £704 GBP (21%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £3,417 GBP at Blue Nile · As of November 5, 2026
View at Blue Nile

About this 1.31ct natural heart diamond

This 1.31ct natural heart sits in the one-and-a-quarter to one-and-a-half carat band, graded K colour (faint-tinted) and VS2 clarity (very-slightly-included), with a standard cut grade stated by the retailer rather than the lab and certified by GIA. Listed at 3 retailers as of November 5, 2026, with prices from £2,713 to £3,417, a £704 spread on the same certified stone. Blue Nile lists it at £3,417. 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

1.31
Carat
K
Colour
VS2
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 3
Dimensions7.03 × 7.68 × 3.80 mm
L/W Ratio1.09
Top View
7.03 mm7.68 mm1.31 ctK / VS2
OriginNatural
CutGood
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 3
Side View
Table 52.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 49.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: £3,417 GBP|Low: £2,713 GBP|High: £3,417 GBP|Avg: £2,906 GBP
Blue Nile
Retailer 2
Retailer 3
September 26, 2026
Retailer 2£2,713 GBP
Retailer 3£2,844 GBP
Blue Nile£3,417 GBP

2 data points across 3 retailers

3 retailers£2,713 GBP to £3,417 GBP

B+
Cheapest Retailer
-
£2,713 GBP
B
Retailer 2
-
£2,844 GBP
View
Most Expensive
C
Blue Nile
5629836 · Nov 5
£3,417 GBP
$4,573 USD
View
2 more retailers have this diamond
Prices start from £2,713 GBPSave up to £704 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+
1.31ct Heart
£2,713 GBP