Heart|Natural|GIA

1.50ct I SI1 Heart Natural Diamond

EX • I/SI1 • GIA 1545694303

Certificate GIA 1545694303

Diamond specifications and retailer prices

From £2,244 GBP
₹286,786 INR
As of November 2, 2026
Save £2,820 GBP (56%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £5,064 GBP at NZ Jewellers · As of October 30, 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 I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1545694303. Listed at 14 retailers as of October 30, 2026, with prices from £2,244 to £5,064, a £2,820 spread on the same certified stone. NZ Jewellers lists it at £5,064. 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
I
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1545694303
Dimensions7.93 × 6.88 × 4.68 mm
L/W Ratio1.15
Girdle conditionThick
Top View
7.93 mm6.88 mm1.50 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1545694303
Side View
Table 55.0%CrownGirdle: MediumPavilionCulet: NoneDepth 58.9%

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 2
Current: £5,064 GBP|Low: £2,239 GBP|High: £5,064 GBP|Avg: £3,146 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 2, 2026
Retailer 2£2,244 GBP
Retailer 13£2,349 GBP
Retailer 3£2,558 GBP
Retailer 4£2,642 GBP
Retailer 6£2,758 GBP
Retailer 11£2,776 GBP
Retailer 8£2,974 GBP
Retailer 5£3,016 GBP
Retailer 12£3,204 GBP
Retailer 7£3,289 GBP
Retailer 10£3,573 GBP
Retailer 9£4,862 GBP
NZ Jewellers£5,064 GBP

25 data points across 13 retailers

14 retailers£2,244 GBP to £5,064 GBP

A
Cheapest Retailer
-
£2,244 GBP
₹286,786 INR
A
Retailer 2
-
£2,349 GBP
$3,152 USD
View
Final sale: no returns
A
Retailer 3
-
£2,558 GBP
$3,433 USD
View
A
Retailer 4
-
£2,642 GBP
$3,545 USD
View
A
Retailer 5
-
£2,758 GBP
View
A
Retailer 6
-
£2,776 GBP
$3,725 USD
View
A
Retailer 7
-
£2,974 GBP
View
A
Retailer 8
-
£3,016 GBP
$4,048 USD
View
Retailer 9
-
£3,164 GBP
A$6,533 AUD
View
Price last confirmed 25 days ago
B+
Retailer 10
-
£3,204 GBP
$4,300 USD
View
A
Retailer 11
-
£3,289 GBP
€4,203 EUR
View
B+
Retailer 12
-
£3,573 GBP
ZAR 77,462 ZAR
View
B+
Retailer 13
-
£4,862 GBP
View
Most Expensive
B
NZ Jewellers
b9c824c7-c3c5-4a5d-81e4-5e52dfcfde33 · Oct 30
£5,064 GBP
$6,796 USD
View
13 more retailers have this diamond
Prices start from £2,244 GBPSave up to £2,820 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
£2,244 GBP