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Heart|Natural|GIA

0.70ct I SI1 Heart Natural Diamond

EX • I/SI1 • GIA 1535993013

Certificate GIA 1535993013

Diamond specifications and retailer prices

From £286 GBP
₹36,466 INR
As of November 1, 2026
Save £941 GBP (77%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £1,227 GBP at NZ Jewellers · As of October 30, 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 I 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 1535993013. Listed at 16 retailers as of October 30, 2026, with prices from £286 to £1,227, a £941 spread on the same certified stone. NZ Jewellers lists it at £1,227. 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
I
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1535993013
Dimensions5.58 × 6.17 × 3.58 mm
L/W Ratio1.11
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Cloud, Feather
Top View
5.58 mm6.17 mm0.70 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1535993013
Side View
Table 60.0%CrownGirdle: MED-ETKPavilionCulet: NoneDepth 58.1%

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: £1,227 GBP|Low: £285 GBP|High: £1,227 GBP|Avg: £562 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
Retailer 14
Retailer 15
November 2, 2026
Retailer 8£286 GBP
Retailer 5£391 GBP
Retailer 14£422 GBP
Retailer 15£422 GBP
Retailer 7£452 GBP
Retailer 3£489 GBP
Retailer 2£491 GBP
Retailer 9£493 GBP
Retailer 4£537 GBP
Retailer 13£541 GBP
Retailer 12£584 GBP
Retailer 11£585 GBP
Retailer 6£602 GBP
Retailer 10£903 GBP
NZ Jewellers£1,227 GBP

25 data points across 15 retailers

16 retailers£286 GBP to £1,227 GBP

A
Cheapest Retailer
-
£286 GBP
₹36,466 INR
A
Retailer 2
-
£391 GBP
$524 USD
View
A
Retailer 3
-
£422 GBP
$565 USD
View
A
Retailer 4
-
£422 GBP
$565 USD
View
A
Retailer 5
-
£452 GBP
$605 USD
View
B+
Retailer 6
-
£489 GBP
$656 USD
View
B+
Retailer 7
-
£491 GBP
View
A
Retailer 8
-
£493 GBP
View
B+
Retailer 9
-
£537 GBP
$719 USD
View
B+
Retailer 10
-
£541 GBP
$725 USD
View
B+
Retailer 11
-
£584 GBP
ZAR 12,647 ZAR
View
B+
Retailer 12
-
£585 GBP
€746 EUR
View
B+
Retailer 13
-
£602 GBP
$807 USD
View
Retailer 14
-
£624 GBP
A$1,286 AUD
View
Price last confirmed 37 days ago
B
Retailer 15
-
£903 GBP
View
Most Expensive
B
NZ Jewellers
070bc742-bfdb-41d9-9f9c-ea89c3336f50 · Oct 30
£1,227 GBP
$1,644 USD
View
15 more retailers have this diamond
Prices start from £286 GBPSave up to £941 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
£286 GBP