CaratHunter
Plans
Heart|Natural|GIA

1.30ct K SI2 Heart Natural Diamond

EX • K/SI2 • GIA 2538462329

Certificate GIA 2538462329

Diamond specifications and retailer prices

From £1,106 GBP
As of November 5, 2026
Save £1,597 GBP (59%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £2,703 GBP at NZ Jewellers · As of November 3, 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 K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2538462329. Listed at 6 retailers as of November 3, 2026, with prices from £1,106 to £2,703, a £1,597 spread on the same certified stone. NZ Jewellers lists it at £2,703. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.30
Carat
K
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.57°
Pavilion angle42.06°
OriginNatural
Grading LabGIA
CertificateGIA 2538462329
Dimensions6.50 × 7.65 × 4.60 mm
L/W Ratio1.18
Top View
6.50 mm7.65 mm1.30 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2538462329
Side View
Table 62.0%Crown 36.57°GirdlePavilion 42.06°CuletDepth 60.1%

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: £2,703 GBP|Low: £1,053 GBP|High: £2,749 GBP|Avg: £1,490 GBP|-1.7%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 7£1,053 GBP
Retailer 4£1,106 GBP
Retailer 5£1,108 GBP
Retailer 2£1,139 GBP
Retailer 6£1,160 GBP
Retailer 9£1,366 GBP
Retailer 8£1,511 GBP
Retailer 3£1,944 GBP
NZ Jewellers£2,703 GBP

28 data points across 9 retailers

6 retailers£1,106 GBP to £2,703 GBP

A
Cheapest Retailer
-
£1,106 GBP
A
Retailer 2
-
£1,108 GBP
View
A
Retailer 3
-
£1,139 GBP
View
A
Retailer 4
-
£1,160 GBP
View
Retailer 5
-
£1,944 GBP
View
Price last confirmed 11 days ago
Most Expensive
B
NZ Jewellers
5d099c11-3d77-40e6-b024-bc5ddb1d8b6f · Nov 3
£2,703 GBP
$3,618 USD
View
5 more retailers have this diamond
Prices start from £1,106 GBPSave up to £1,597 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
£1,106 GBP