Heart|Natural|GIA

0.70ct I SI2 Heart Natural Diamond

EX • I/SI2 • GIA 2456237520

Certificate GIA 2456237520

Diamond specifications and retailer prices

From £471 GBP
₹60,111 INR
As of November 1, 2026
Save £537 GBP (53%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £1,717 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 SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2456237520. Listed at 15 retailers as of October 29, 2026, with a 114% 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
I
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2456237520
Dimensions5.10 × 5.97 × 3.67 mm
L/W Ratio1.17
Top View
5.10 mm5.97 mm0.70 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2456237520
Side View
Table 61.0%CrownGirdle: THK-ETKPavilionCulet: NoneDepth 61.4%

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 1
Current: £1,717 GBP|Low: £392 GBP|High: £1,717 GBP|Avg: £699 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 1, 2026
Retailer 2£471 GBP
Retailer 14£505 GBP
Retailer 12£548 GBP
Retailer 13£548 GBP
Retailer 3£568 GBP
Retailer 11£569 GBP
Retailer 5£613 GBP
Retailer 6£617 GBP
Retailer 7£631 GBP
Retailer 4£632 GBP
Retailer 15£646 GBP
Retailer 9£657 GBP
Retailer 8£727 GBP
Retailer 10£1,009 GBP
NZ Jewellers£1,717 GBP

41 data points across 15 retailers

15 retailers£471 GBP to £1,009 GBP

A
Cheapest Retailer
-
£471 GBP
₹60,111 INR
B+
Retailer 2
-
£505 GBP
$677 USD
View
Final sale: no returns
B+
Retailer 3
-
£548 GBP
$734 USD
View
B+
Retailer 4
-
£548 GBP
$734 USD
View
B+
Retailer 5
-
£568 GBP
SGD 1,029 SGD
View
B+
Retailer 6
-
£569 GBP
$762 USD
View
B+
Retailer 7
-
£613 GBP
$821 USD
View
B
Retailer 8
-
£617 GBP
$827 USD
View
B
Retailer 9
-
£631 GBP
$845 USD
View
B
Retailer 10
-
£632 GBP
$847 USD
View
B
Retailer 11
-
£646 GBP
$866 USD
View
B
Retailer 12
-
£657 GBP
View
B+
Retailer 13
-
£727 GBP
View
B
Retailer 14
-
£1,009 GBP
View
Most Expensive
NZ Jewellers
35c1a07c-36a4-43a4-a59b-7ef9a7aa2e7e · Oct 30
£1,717 GBP
$2,301 USD
View
Price under review
14 more retailers have this diamond
Prices start from £471 GBPSave up to £537 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
£471 GBP