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Heart|Natural|GIA

1.53ct I SI2 Heart Natural Diamond

ID • I/SI2 • GIA 250000306035

Shape and cutting style on the report: Heart

Certificate GIA 250000306035

Diamond specifications and retailer prices

From £1,929 GBP
As of November 5, 2026
Save £2,104 GBP (52%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £4,033 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.53ct natural heart diamond

This 1.53ct natural heart sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 250000306035. Listed at 6 retailers as of November 5, 2026, with prices from £1,929 to £4,033, a £2,104 spread on the same certified stone. NZ Jewellers lists it at £4,033. 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

1.53
Carat
I
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 250000306035
Dimensions7.92 × 6.63 × 4.84 mm
L/W Ratio1.19
Girdle conditionFaceted
Culet sizePointed
Top View
7.92 mm6.63 mm1.53 ctI / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 250000306035
Side View
Table 63.0%CrownGirdle: MediumPavilionCulet: NoneDepth 61.0%

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: £4,033 GBP|Low: £1,929 GBP|High: £4,033 GBP|Avg: £2,341 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 29, 2026
Retailer 2£1,929 GBP
Retailer 4£1,929 GBP
Retailer 5£2,018 GBP
Retailer 3£2,226 GBP
Retailer 6£2,286 GBP
NZ Jewellers£4,033 GBP

4 data points across 6 retailers

6 retailers£1,929 GBP to £4,033 GBP

Retailer 1
-
£1,929 GBP
Price last confirmed 8 days ago
A
Retailer 2
-
£1,929 GBP
View
A
Retailer 3
-
£2,018 GBP
View
A
Retailer 4
-
£2,226 GBP
View
Retailer 5
-
£2,286 GBP
View
Price last confirmed 11 days ago
Most Expensive
B+
NZ Jewellers
86e0e102-8a40-4082-9229-3c59bc0d5f9f · Nov 5
£4,033 GBP
$5,398 USD
View
5 more retailers have this diamond
Prices start from £1,929 GBPSave up to £2,104 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
1.53ct Heart
£1,929 GBP