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Heart|Natural|GIA

1.30ct I SI2 Heart Natural Diamond

VG • I/SI2 • GIA 2536718365

Certificate GIA 2536718365

Diamond specifications and retailer prices

From £1,860 GBP
As of November 5, 2026
Save £1,874 GBP (50%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £4,411 GBP at NZ Jewellers · As of September 20, 2026
View at NZ Jewellers

About this 1.3ct natural heart diamond

This 1.3ct natural heart sits in the one-and-a-quarter to one-and-a-half carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade stated by the retailer rather than the lab and certified by GIA 2536718365. Listed at 5 retailers as of November 2, 2026, with a 101% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

1.30
Carat
I
Colour
SI2
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2536718365
Dimensions7.55 × 6.51 × 3.76 mm
L/W Ratio1.16
Top View
7.55 mm6.51 mm1.30 ctI / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2536718365
Side View
Table 62.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 57.8%

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 5
Current: £1,860 GBP|Low: £1,747 GBP|High: £3,780 GBP|Avg: £2,253 GBP|+0.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 5, 2026
Retailer 9£1,821 GBP
Retailer 1£1,860 GBP
Retailer 5£1,948 GBP
Retailer 3£1,992 GBP
Retailer 8£2,105 GBP
Retailer 4£2,152 GBP
Retailer 7£2,237 GBP
Retailer 6£2,381 GBP
Retailer 2£3,734 GBP

17 data points across 9 retailers

5 retailers£1,860 GBP to £3,734 GBP

A
Cheapest Retailer
-
£1,860 GBP
Retailer 2
-
£1,911 GBP
View
Price last confirmed 46 days ago
A
Retailer 3
-
£1,992 GBP
View
B
Retailer 4
-
£3,734 GBP
View
Most Expensive
NZ Jewellers
16511757-fb38-4169-b8ca-2e93afa2a4ac · Sep 20
£4,411 GBP
$5,904 USD
View
Price last confirmed 47 days ago
4 more retailers have this diamond
Prices start from £1,860 GBPSave up to £1,874 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
1.30ct Heart
£1,860 GBP