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Heart|Natural|GIA

1.54ct G SI1 Heart Natural Diamond

GD • G/SI1 • GIA 3535770716

Certificate GIA 3535770716

Diamond specifications and retailer prices

From £3,246 GBP
SGD 5,887 SGD
As of October 31, 2026
Save £3,075 GBP (49%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £6,780 GBP at NZ Jewellers · As of September 29, 2026
View at NZ Jewellers

About this 1.54ct natural heart diamond

This 1.54ct natural heart sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a standard cut grade stated by the retailer rather than the lab and certified by GIA 3535770716. Listed at 7 retailers as of October 31, 2026, with a 95% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.54
Carat
G
Colour
SI1
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 3535770716
Dimensions7.67 × 6.54 × 4.11 mm
L/W Ratio1.17
Top View
7.67 mm6.54 mm1.54 ctG / SI1
OriginNatural
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 3535770716
Side View
Table 63.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 62.8%

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: Oct 31
Current: £6,321 GBP|Low: £3,101 GBP|High: £6,802 GBP|Avg: £3,865 GBP|-6.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 3£3,246 GBP
Retailer 10£3,327 GBP
Retailer 6£3,359 GBP
Retailer 2£3,424 GBP
Retailer 8£3,564 GBP
Retailer 4£3,793 GBP
Retailer 9£3,900 GBP
Retailer 7£3,905 GBP
Retailer 5£3,965 GBP
Retailer 1£6,321 GBP

20 data points across 10 retailers

7 retailers£3,246 GBP to £6,321 GBP

A
Cheapest Retailer
-
£3,246 GBP
SGD 5,887 SGD
B+
Retailer 2
-
£3,793 GBP
$5,090 USD
View
Final sale: no returns
Retailer 3
-
£4,054 GBP
$5,440 USD
View
Price last confirmed 32 days ago
Retailer 4
-
£4,054 GBP
$5,440 USD
View
Price last confirmed 34 days ago
Retailer 5
-
£4,081 GBP
$5,477 USD
View
Price last confirmed 26 days ago
B
Retailer 6
-
£6,321 GBP
View
Most Expensive
NZ Jewellers
c4bd6064-4f13-4af7-8e9b-4fdb26355662 · Sep 29
£6,780 GBP
$9,098 USD
View
Price last confirmed 33 days ago
6 more retailers have this diamond
Prices start from £3,246 GBPSave up to £3,075 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
1.54ct Heart
£3,246 GBP