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Heart|Natural|GIA

0.70ct J SI1 Heart Natural Diamond

EX • J/SI1 • GIA 5546746195

Certificate GIA 5546746195

Diamond specifications and retailer prices

From £410 GBP
HK$4,300 HKD
As of November 1, 2026
Save £685 GBP (63%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £1,566 GBP at NZ Jewellers · As of September 25, 2026
View at NZ Jewellers

About this 0.7ct natural heart diamond

This 0.7ct natural heart sits in the half to three-quarter 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 5546746195. Listed at 15 retailers as of November 1, 2026, with a 167% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

0.70
Carat
J
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
Pavilion angle38.9°
OriginNatural
Grading LabGIA
CertificateGIA 5546746195
Dimensions5.28 × 6.19 × 3.65 mm
L/W Ratio1.17
Top View
5.28 mm6.19 mm0.70 ctJ / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateGIA 5546746195
Side View
Table 58.0%CrownGirdle: MED-VTKPavilion 38.9°Culet: NoneDepth 59.0%

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 1
Current: £584 GBP|Low: £353 GBP|High: £1,158 GBP|Avg: £640 GBP|-0.3%
Retailer 1
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 4£410 GBP
Retailer 10£437 GBP
Retailer 9£455 GBP
Retailer 6£510 GBP
Retailer 3£512 GBP
Retailer 1£584 GBP
Retailer 2£622 GBP
Retailer 13£650 GBP
Retailer 7£653 GBP
Retailer 11£722 GBP
Retailer 5£722 GBP
Retailer 12£739 GBP
Retailer 8£1,095 GBP

35 data points across 13 retailers

15 retailers£410 GBP to £1,095 GBP

A
Cheapest Retailer
-
£410 GBP
HK$4,300 HKD
A
Retailer 2
-
£437 GBP
$587 USD
View
Final sale: no returns
A
Retailer 3
-
£455 GBP
$610 USD
View
A
Retailer 4
-
£510 GBP
$684 USD
View
A
Retailer 5
-
£512 GBP
SGD 929 SGD
View
B+
Retailer 6
-
£584 GBP
View
B+
Retailer 7
-
£622 GBP
$835 USD
View
B+
Retailer 8
-
£650 GBP
$872 USD
View
B+
Retailer 9
-
£653 GBP
$876 USD
View
B+
Retailer 10
-
£722 GBP
ZAR 15,657 ZAR
View
Retailer 11
-
£722 GBP
A$1,491 AUD
View
Price last confirmed 29 days ago
Retailer 12
-
£739 GBP
$992 USD
View
Price last confirmed 7 days ago
B
Retailer 13
-
£779 GBP
A$1,608 AUD
View
B
Retailer 14
-
£1,095 GBP
View
Most Expensive
NZ Jewellers
bfd1e235-017e-4d21-8407-9c09c3f79338 · Sep 25
£1,566 GBP
$2,102 USD
View
Price last confirmed 38 days ago
14 more retailers have this diamond
Prices start from £410 GBPSave up to £685 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
0.70ct Heart
£410 GBP