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Heart|Natural|GIA

1.51ct G SI2 Heart Natural Diamond

EX • G/SI2 • GIA 3565168843

Certificate GIA 3565168843

Diamond specifications and retailer prices

From £2,387 GBP
As of November 6, 2026
Save £649 GBP (21%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £3,036 GBP at Jogia Diamonds · As of November 6, 2026
View at Jogia Diamonds

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 3565168843. Listed at 6 retailers as of November 6, 2026, with prices from £2,387 to £3,036, a £649 spread on the same certified stone. Jogia Diamonds lists it at £3,036. 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 3565168843
Dimensions6.69 × 7.90 × 4.73 mm
L/W Ratio1.18
Culet sizeNone
Key to symbols
Crystal, Cloud, Feather, Knot, Needle
Top View
6.69 mm7.90 mm1.51 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 3565168843
Side View
Table 61.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 59.9%

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: £2,387 GBP|Low: £2,253 GBP|High: £3,009 GBP|Avg: £2,654 GBP|-1.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 6, 2026
Retailer 1£2,387 GBP
Retailer 4£2,528 GBP
Retailer 3£2,573 GBP
Retailer 5£2,686 GBP
Retailer 2£2,699 GBP

46 data points across 5 retailers

6 retailers£2,387 GBP to £3,036 GBP

A
Cheapest Retailer
-
£2,387 GBP
A
Retailer 2
-
£2,528 GBP
View
A
Retailer 3
-
£2,573 GBP
View
Final sale: no returns
A
Retailer 4
-
£2,686 GBP
View
A
Retailer 5
-
£2,699 GBP
View
Most Expensive
A
Jogia Diamonds
J26898329 · Nov 6
£3,036 GBP
A$6,253 AUD
View
5 more retailers have this diamond
Prices start from £2,387 GBPSave up to £649 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
£2,387 GBP