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Heart|Natural|GIA

1.53ct J SI1 Heart Natural Diamond

ID • J/SI1 • GIA 2548637453

Certificate GIA 2548637453

Diamond specifications and retailer prices

From £2,732 GBP
$3,660 USD
As of November 1, 2026
Save £3,653 GBP (57%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £6,384 GBP at NZ Jewellers · As of October 30, 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 J 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 2548637453. Listed at 15 retailers as of October 30, 2026, with prices from £2,732 to £6,384, a £3,653 spread on the same certified stone. NZ Jewellers lists it at £6,384. 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
J
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2548637453
Dimensions7.95 × 6.74 × 4.76 mm
L/W Ratio1.18
Top View
7.95 mm6.74 mm1.53 ctJ / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2548637453
Side View
Table 61.0%CrownGirdle: Very ThickPavilionCulet: NoneDepth 59.9%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: £6,384 GBP|Low: £2,732 GBP|High: £6,384 GBP|Avg: £3,993 GBP|+1.0%
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
Retailer 14
Retailer 15
Retailer 16
November 2, 2026
Retailer 8£2,732 GBP
Retailer 4£2,923 GBP
Retailer 7£3,448 GBP
Retailer 13£3,458 GBP
Retailer 14£3,458 GBP
Retailer 15£3,458 GBP
Retailer 16£3,651 GBP
Retailer 2£3,672 GBP
Retailer 3£3,881 GBP
Retailer 5£3,881 GBP
Retailer 12£3,990 GBP
Retailer 6£4,015 GBP
Retailer 9£4,319 GBP
Retailer 11£4,692 GBP
Retailer 10£6,079 GBP
NZ Jewellers£6,384 GBP

40 data points across 16 retailers

15 retailers£2,732 GBP to £6,384 GBP

B+
Cheapest Retailer
-
£2,732 GBP
$3,660 USD
B+
Retailer 2
-
£2,923 GBP
$3,917 USD
View
B
Retailer 3
-
£3,448 GBP
$4,620 USD
View
B
Retailer 4
-
£3,458 GBP
$4,633 USD
View
B
Retailer 5
-
£3,458 GBP
$4,633 USD
View
B+
Retailer 6
-
£3,651 GBP
$4,892 USD
View
B+
Retailer 7
-
£3,672 GBP
View
B
Retailer 8
-
£3,881 GBP
$5,200 USD
View
B
Retailer 9
-
£3,881 GBP
$5,200 USD
View
B
Retailer 10
-
£3,990 GBP
$5,346 USD
View
B
Retailer 11
-
£4,015 GBP
$5,380 USD
View
B
Retailer 12
-
£4,319 GBP
€5,511 EUR
View
B
Retailer 13
-
£4,692 GBP
ZAR 101,560 ZAR
View
B
Retailer 14
-
£6,079 GBP
View
Most Expensive
B
NZ Jewellers
3a9cad81-50c7-4e0d-9251-6185ade14a12 · Oct 30
£6,384 GBP
$8,554 USD
View
14 more retailers have this diamond
Prices start from £2,732 GBPSave up to £3,653 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.

B+
1.53ct Heart
£2,732 GBP