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Heart|Natural|GIA

1.57ct G SI1 Heart Natural Diamond

GD • G/SI1 • GIA 7382303900

Shape and cutting style on the report: Heart modified brilliant

Certificate GIA 7382303900

Diamond specifications and retailer prices

From £3,491 GBP
HK$36,600 HKD
As of November 1, 2026
Save £4,272 GBP (55%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £7,763 GBP at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.57ct natural heart diamond

This 1.57ct 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 7382303900. Listed at 21 retailers as of October 30, 2026, with prices from £3,491 to £7,763, a £4,272 spread on the same certified stone. NZ Jewellers lists it at £7,763. 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

1.57
Carat
G
Colour
SI1
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 7382303900
Dimensions8.54 × 6.99 × 3.75 mm
L/W Ratio1.22
Top View
8.54 mm6.99 mm1.57 ctG / SI1
OriginNatural
CutGood
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 7382303900
Side View
Table 57.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 53.6%

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: £7,763 GBP|Low: £3,453 GBP|High: £7,763 GBP|Avg: £4,954 GBP
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 12£3,491 GBP
Retailer 3£4,284 GBP
Retailer 6£4,373 GBP
Retailer 8£4,453 GBP
Retailer 4£4,613 GBP
Retailer 2£4,642 GBP
Retailer 9£4,642 GBP
Retailer 5£4,704 GBP
Retailer 7£4,787 GBP
Retailer 13£5,356 GBP
Retailer 11£5,703 GBP
Retailer 10£6,839 GBP
NZ Jewellers£7,763 GBP

38 data points across 13 retailers

21 retailers£3,491 GBP to £7,763 GBP

B+
Cheapest Retailer
-
£3,491 GBP
HK$36,600 HKD
B+
Retailer 2
-
£3,699 GBP
$4,964 USD
View
Retailer 3
-
£3,976 GBP
SGD 7,211 SGD
View
Price last confirmed 17 days ago
B+
Retailer 4
-
£4,048 GBP
$5,432 USD
View
Retailer 5
-
£4,049 GBP
$5,433 USD
View
Price last confirmed 76 days ago
B+
Retailer 6
-
£4,284 GBP
$5,749 USD
View
Final sale: no returns
B+
Retailer 7
-
£4,318 GBP
$5,795 USD
View
B+
Retailer 8
-
£4,339 GBP
A$8,958 AUD
View
B+
Retailer 9
-
£4,373 GBP
View
B+
Retailer 10
-
£4,453 GBP
View
Retailer 11
-
£4,613 GBP
A$9,523 AUD
View
Price last confirmed 29 days ago
B
Retailer 12
-
£4,642 GBP
$6,229 USD
View
B
Retailer 13
-
£4,642 GBP
$6,229 USD
View
B
Retailer 14
-
£4,704 GBP
$6,312 USD
View
B
Retailer 15
-
£4,759 GBP
$6,386 USD
View
B
Retailer 16
-
£4,787 GBP
€6,118 EUR
View
B
Retailer 17
-
£5,307 GBP
€6,783 EUR
View
B
Retailer 18
-
£5,356 GBP
$7,187 USD
View
B
Retailer 19
-
£5,703 GBP
ZAR 123,632 ZAR
View
B
Retailer 20
-
£6,839 GBP
View
Most Expensive
C
NZ Jewellers
aefe719c-cf07-4f1e-86a9-46fe778d2df9 · Oct 30
£7,763 GBP
$10,418 USD
View
20 more retailers have this diamond
Prices start from £3,491 GBPSave up to £4,272 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+
1.57ct Heart
£3,491 GBP