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Heart|Natural|GIA

1.50ct K SI2 Heart Natural Diamond

EX • K/SI2 • GIA 6565167214

Certificate GIA 6565167214

Diamond specifications and retailer prices

From £1,732 GBP
As of November 6, 2026
Save £262 GBP (13%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £1,994 GBP at Michael Trio · As of November 6, 2026
View at Michael Trio

About this 1.5ct natural heart diamond

This 1.5ct natural heart sits in the one-and-a-half to two carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6565167214. Listed at 4 retailers as of November 6, 2026, with prices from £1,732 to £1,994, a £262 spread on the same certified stone. Michael Trio lists it at £1,994. 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
K
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6565167214
Dimensions7.33 × 7.73 × 4.38 mm
L/W Ratio1.05
Culet sizeNone
Key to symbols
Twinning Wisp, Feather, Indented Natural, Natural, Extra Facet
Top View
7.33 mm7.73 mm1.50 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6565167214
Side View
Table 59.0%CrownGirdle: THN-VTKPavilionCulet: NoneDepth 56.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: £1,994 GBP|Low: £1,639 GBP|High: £2,252 GBP|Avg: £1,902 GBP|-11.4%
Michael Trio
Retailer 2
Retailer 3
Retailer 4
November 7, 2026
Retailer 4£1,732 GBP
Retailer 3£1,739 GBP
Retailer 2£1,839 GBP
Michael Trio£1,994 GBP

41 data points across 4 retailers

4 retailers£1,732 GBP to £1,994 GBP

A
Cheapest Retailer
-
£1,732 GBP
A
Retailer 2
-
£1,739 GBP
View
Final sale: no returns
A
Retailer 3
-
£1,839 GBP
View
Most Expensive
B+
Michael Trio
3946138440 · Nov 6
£1,994 GBP
SGD 3,607 SGD
View
3 more retailers have this diamond
Prices start from £1,732 GBPSave up to £262 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
1.50ct Heart
£1,732 GBP