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Heart|Natural|GIA

1.51ct G SI2 Heart Natural Diamond

EX • G/SI2 • GIA 1567017626

Certificate GIA 1567017626

Diamond specifications and retailer prices

From £2,495 GBP
As of November 6, 2026
Save £884 GBP (26%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £3,379 GBP at GemTrove · As of November 6, 2026
View at GemTrove

About this 1.51ct natural heart diamond

This 1.51ct natural heart sits in the one-and-a-half to two carat band, graded G 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 1567017626. Listed at 6 retailers as of November 6, 2026, with prices from £2,495 to £3,379, a £884 spread on the same certified stone. GemTrove lists it at £3,379. 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

1.51
Carat
G
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1567017626
Dimensions6.94 × 8.05 × 4.77 mm
L/W Ratio1.16
Culet sizeNone
Key to symbols
Twinning Wisp, Feather, Crystal, Needle, Indented Natural
Top View
6.94 mm8.05 mm1.51 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1567017626
Side View
Table 60.0%CrownGirdle: THN-VTKPavilionCulet: NoneDepth 59.3%

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 6
Current: £2,495 GBP|Low: £2,495 GBP|High: £3,128 GBP|Avg: £2,794 GBP|-1.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
November 6, 2026
Retailer 1£2,495 GBP
Retailer 3£2,613 GBP
Retailer 2£2,786 GBP
Retailer 4£2,797 GBP

46 data points across 4 retailers

6 retailers£2,495 GBP to £3,379 GBP

A
Cheapest Retailer
-
£2,495 GBP
A
Retailer 2
-
£2,613 GBP
View
A
Retailer 3
-
£2,786 GBP
View
A
Retailer 4
-
£2,797 GBP
View
A
Retailer 5
-
£3,168 GBP
View
Most Expensive
B+
GemTrove
GT-N-01269520-98 · Nov 6
£3,379 GBP
A$6,958 AUD
View
5 more retailers have this diamond
Prices start from £2,495 GBPSave up to £884 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
1.51ct Heart
£2,495 GBP