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Heart|Natural|GIA

1.53ct I SI2 Heart Natural Diamond

EX • I/SI2 • GIA 2557145863

Certificate GIA 2557145863

Diamond specifications and retailer prices

From £2,196 GBP
As of November 6, 2026
Save £911 GBP (29%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £3,107 GBP at GemTrove · As of November 6, 2026
View at GemTrove

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 2557145863. Listed at 8 retailers as of November 6, 2026, with prices from £2,196 to £3,107, a £911 spread on the same certified stone. GemTrove lists it at £3,107. 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
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2557145863
Dimensions7.25 × 7.85 × 4.66 mm
L/W Ratio1.08
Top View
7.25 mm7.85 mm1.53 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2557145863
Side View
Table 61.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 59.4%

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 6
Current: £2,280 GBP|Low: £2,006 GBP|High: £2,779 GBP|Avg: £2,427 GBP|-1.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 4£2,196 GBP
Retailer 3£2,237 GBP
Retailer 6£2,271 GBP
Retailer 1£2,280 GBP
Retailer 2£2,347 GBP
Retailer 5£2,575 GBP

45 data points across 6 retailers

8 retailers£2,196 GBP to £3,107 GBP

A
Cheapest Retailer
-
£2,196 GBP
A
Retailer 2
-
£2,237 GBP
View
Final sale: no returns
A
Retailer 3
-
£2,271 GBP
View
A
Retailer 4
-
£2,280 GBP
View
A
Retailer 5
-
£2,347 GBP
View
A
Retailer 6
-
£2,575 GBP
View
B+
Retailer 7
-
£2,903 GBP
View
Most Expensive
B+
GemTrove
GT-N-01269925-98 · Nov 6
£3,107 GBP
A$6,398 AUD
View
7 more retailers have this diamond
Prices start from £2,196 GBPSave up to £911 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
£2,196 GBP