Heart|Natural|GIA

1.50ct I SI1 Heart Natural Diamond

ID • I/SI1 • GIA 6552716233

Certificate GIA 6552716233

Diamond specifications and retailer prices

From £2,747 GBP
₹350,503 INR
As of November 1, 2026
Save £3,481 GBP (56%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £6,227 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 6552716233. Listed at 13 retailers as of October 30, 2026, with prices from £2,747 to £6,227, a £3,481 spread on the same certified stone. NZ Jewellers lists it at £6,227. 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
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6552716233
Dimensions7.23 × 8.09 × 4.45 mm
L/W Ratio1.12
Girdle conditionThick
Top View
7.23 mm8.09 mm1.50 ctI / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6552716233
Side View
Table 55.0%CrownGirdle: MediumPavilionCulet: NoneDepth 55.0%

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 1
Current: £6,227 GBP|Low: £2,740 GBP|High: £6,557 GBP|Avg: £3,890 GBP|-5.0%
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 7£2,747 GBP
Retailer 12£2,883 GBP
Retailer 13£3,117 GBP
Retailer 3£3,120 GBP
Retailer 10£3,370 GBP
Retailer 6£3,554 GBP
Retailer 4£3,687 GBP
Retailer 5£3,794 GBP
Retailer 11£3,810 GBP
Retailer 2£4,044 GBP
Retailer 9£4,394 GBP
Retailer 8£5,693 GBP
NZ Jewellers£6,227 GBP

31 data points across 13 retailers

13 retailers£2,747 GBP to £6,227 GBP

A
Cheapest Retailer
-
£2,747 GBP
₹350,503 INR
A
Retailer 2
-
£2,883 GBP
$3,863 USD
View
Final sale: no returns
A
Retailer 3
-
£3,117 GBP
$4,176 USD
View
A
Retailer 4
-
£3,120 GBP
$4,181 USD
View
B+
Retailer 5
-
£3,370 GBP
$4,515 USD
View
B+
Retailer 6
-
£3,554 GBP
View
B+
Retailer 7
-
£3,687 GBP
$4,940 USD
View
Retailer 8
-
£3,794 GBP
A$7,822 AUD
View
Price last confirmed 23 days ago
B+
Retailer 9
-
£3,810 GBP
$5,105 USD
View
B+
Retailer 10
-
£4,044 GBP
€5,161 EUR
View
B+
Retailer 11
-
£4,394 GBP
ZAR 95,107 ZAR
View
B
Retailer 12
-
£5,693 GBP
View
Most Expensive
B
NZ Jewellers
330a619a-19a8-480b-9cf5-5c2244c67c8c · Oct 30
£6,227 GBP
$8,344 USD
View
12 more retailers have this diamond
Prices start from £2,747 GBPSave up to £3,481 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
£2,747 GBP