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Heart|Natural|GIA

1.50ct G SI1 Heart Natural Diamond

EX • G/SI1 • GIA 3415071791

Certificate GIA 3415071791

Diamond specifications and retailer prices

From £7,414 GBP
$9,934 USD
As of November 1, 2026
Save £5,918 GBP (44%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £13,332 GBP at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.5ct natural heart diamond

This 1.5ct 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 top-tier cut grade stated by the retailer rather than the lab and certified by GIA 3415071791. Listed at 20 retailers as of October 30, 2026, with prices from £7,414 to £13,332, a £5,918 spread on the same certified stone. NZ Jewellers lists it at £13,332. 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

1.50
Carat
G
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 3415071791
Dimensions6.97 × 7.93 × 4.47 mm
L/W Ratio1.14
Top View
6.97 mm7.93 mm1.50 ctG / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 3415071791
Side View
Table 61.0%CrownGirdle: THN-VTKPavilionCulet: NoneDepth 56.4%

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: £8,646 GBP|Low: £6,666 GBP|High: £12,643 GBP|Avg: £9,425 GBP|-0.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 5£7,999 GBP
Retailer 7£7,999 GBP
Retailer 8£8,066 GBP
Retailer 1£8,646 GBP
Retailer 4£8,692 GBP
Retailer 6£8,799 GBP
Retailer 9£10,523 GBP
Retailer 3£11,752 GBP
Retailer 2£12,493 GBP

44 data points across 9 retailers

20 retailers£7,414 GBP to £13,332 GBP

B
Cheapest Retailer
-
£7,414 GBP
$9,934 USD
B
Retailer 2
-
£7,422 GBP
$9,944 USD
View
B
Retailer 3
-
£7,648 GBP
CA$14,232 CAD
View
B
Retailer 4
-
£7,900 GBP
$10,585 USD
View
B
Retailer 5
-
£7,999 GBP
$10,718 USD
View
B
Retailer 6
-
£7,999 GBP
$10,718 USD
View
Final sale: no returns
B
Retailer 7
-
£8,066 GBP
$10,807 USD
View
B
Retailer 8
-
£8,646 GBP
View
B
Retailer 9
-
£8,666 GBP
$11,611 USD
View
Retailer 10
-
£8,692 GBP
A$17,918 AUD
View
Price last confirmed 9 days ago
B
Retailer 11
-
£8,799 GBP
$11,790 USD
View
B
Retailer 12
-
£9,245 GBP
$12,387 USD
View
B
Retailer 13
-
£9,344 GBP
$12,520 USD
View
B
Retailer 14
-
£9,344 GBP
$12,520 USD
View
B
Retailer 15
-
£9,650 GBP
$12,930 USD
View
B
Retailer 16
-
£9,999 GBP
$13,397 USD
View
Retailer 17
-
£10,523 GBP
$14,100 USD
View
Price last confirmed 10 days ago
B
Retailer 18
-
£11,752 GBP
ZAR 254,375 ZAR
View
B
Retailer 19
-
£12,493 GBP
View
Most Expensive
B
NZ Jewellers
480885d3-ccc0-4dfd-93b7-f9f9dbf2a36d · Oct 30
£13,332 GBP
$17,863 USD
View
19 more retailers have this diamond
Prices start from £7,414 GBPSave up to £5,918 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
1.50ct Heart
£7,414 GBP