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Heart|Natural|GIA

1.51ct D SI2 Heart Natural Diamond

EX • D/SI2 • GIA 2245113210

Certificate GIA 2245113210

Diamond specifications and retailer prices

From £2,108 GBP
$2,824 USD
As of October 31, 2026
Save £586 GBP (22%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £2,694 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.51ct natural heart diamond

This 1.51ct natural heart sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2245113210. Listed at 5 retailers as of October 31, 2026, with prices from £2,108 to £2,694, a £586 spread on the same certified stone. Brilliant Earth lists it at £2,694. 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
D
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceVery Strong
OriginNatural
Grading LabGIA
CertificateGIA 2245113210
Dimensions6.90 × 7.86 × 4.70 mm
L/W Ratio1.14
Top View
6.90 mm7.86 mm1.51 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceVery Strong
CertificateGIA 2245113210
Side View
Table 60.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 59.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 31
Current: £2,694 GBP|Low: £2,108 GBP|High: £2,694 GBP|Avg: £2,420 GBP
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 1, 2026
Retailer 4£2,108 GBP
Retailer 3£2,273 GBP
Retailer 2£2,485 GBP
Retailer 5£2,540 GBP
Brilliant Earth£2,694 GBP

2 data points across 5 retailers

5 retailers£2,108 GBP to £2,694 GBP

A
Cheapest Retailer
-
£2,108 GBP
$2,824 USD
A
Retailer 2
-
£2,273 GBP
$3,045 USD
View
A
Retailer 3
-
£2,485 GBP
View
A
Retailer 4
-
£2,540 GBP
SGD 4,599 SGD
View
Most Expensive
A
Brilliant Earth
22381403A · Oct 31
£2,694 GBP
$3,610 USD
View
4 more retailers have this diamond
Prices start from £2,108 GBPSave up to £586 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
£2,108 GBP