Heart|Natural|GIA

1.50ct K SI1 Heart Natural Diamond

EX • K/SI1 • GIA 2245044035

Certificate GIA 2245044035

Diamond specifications and retailer prices

From £2,055 GBP
As of November 5, 2026
Save £2,409 GBP (54%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £4,464 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.5ct natural heart diamond

This 1.5ct natural heart sits in the one-and-a-half to two carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2245044035. Listed at 11 retailers as of November 5, 2026, with prices from £2,055 to £4,464, a £2,409 spread on the same certified stone. NZ Jewellers lists it at £4,464. 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

1.50
Carat
K
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryExcellent
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 2245044035
Dimensions7.74 × 6.95 × 4.76 mm
L/W Ratio1.11
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp, Crystal, Feather, Cloud, Needle, Indented Natural
Top View
7.74 mm6.95 mm1.50 ctK / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceMedium
CertificateGIA 2245044035
Side View
Table 58.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 61.5%

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 5
Current: £4,464 GBP|Low: £2,055 GBP|High: £4,464 GBP|Avg: £2,623 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 3£2,055 GBP
Retailer 2£2,071 GBP
Retailer 8£2,135 GBP
Retailer 10£2,135 GBP
Retailer 11£2,217 GBP
Retailer 5£2,260 GBP
Retailer 9£2,464 GBP
Retailer 4£2,486 GBP
Retailer 6£2,606 GBP
Retailer 7£3,730 GBP
NZ Jewellers£4,464 GBP

30 data points across 11 retailers

11 retailers£2,055 GBP to £4,464 GBP

A
Cheapest Retailer
-
£2,055 GBP
A
Retailer 2
-
£2,071 GBP
View
A
Retailer 3
-
£2,135 GBP
View
Retailer 4
-
£2,135 GBP
View
Price last confirmed 8 days ago
A
Retailer 5
-
£2,217 GBP
View
A
Retailer 6
-
£2,260 GBP
View
A
Retailer 7
-
£2,464 GBP
View
B+
Retailer 8
-
£2,486 GBP
View
B+
Retailer 9
-
£2,606 GBP
View
B
Retailer 10
-
£3,730 GBP
View
Most Expensive
B
NZ Jewellers
15205cfe-2ba7-4575-b9f1-f144cae0b60c · Nov 5
£4,464 GBP
$5,975 USD
View
10 more retailers have this diamond
Prices start from £2,055 GBPSave up to £2,409 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
1.50ct Heart
£2,055 GBP