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Heart|Natural|GIA

1.51ct E SI2 Heart Natural Diamond

ID • E/SI2 • GIA 6542210237

Certificate GIA 6542210237

Diamond specifications and retailer prices

From £2,855 GBP
HK$29,700 HKD
As of October 29, 2026
Save £3,816 GBP (57%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £6,671 GBP at Queensmith · As of October 28, 2026
View at Queensmith

About this 1.51ct natural heart diamond

This 1.51ct natural heart sits in the one-and-a-half to two carat band, graded E 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 6542210237. Listed at 18 retailers as of October 28, 2026, with prices from £2,855 to £6,671, a £3,816 spread on the same certified stone. Queensmith lists it at £6,671. 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
E
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6542210237
Dimensions8.17 × 7.29 × 4.52 mm
L/W Ratio1.12
Top View
8.17 mm7.29 mm1.51 ctE / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6542210237
Side View
Table 64.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 55.3%

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: Oct 29
Current: £6,671 GBP|Low: £2,855 GBP|High: £6,833 GBP|Avg: £4,238 GBP|-2.0%
Queensmith
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
October 29, 2026
Retailer 15£2,855 GBP
Retailer 9£3,099 GBP
Retailer 16£3,511 GBP
Retailer 10£3,606 GBP
Retailer 8£3,664 GBP
Retailer 13£3,694 GBP
Retailer 2£3,786 GBP
Retailer 3£3,804 GBP
Retailer 12£3,804 GBP
Retailer 14£3,804 GBP
Retailer 4£3,845 GBP
Retailer 7£3,919 GBP
Retailer 6£4,390 GBP
Retailer 11£6,092 GBP
Retailer 5£6,363 GBP
Queensmith£6,671 GBP

29 data points across 16 retailers

18 retailers£2,855 GBP to £6,671 GBP

A
Cheapest Retailer
-
£2,855 GBP
HK$29,700 HKD
A
Retailer 2
-
£3,099 GBP
₹392,987 INR
View
A
Retailer 3
-
£3,511 GBP
$4,676 USD
View
Final sale: no returns
A
Retailer 4
-
£3,606 GBP
View
A
Retailer 5
-
£3,664 GBP
SGD 6,593 SGD
View
A
Retailer 6
-
£3,694 GBP
SGD 6,647 SGD
View
A
Retailer 7
-
£3,786 GBP
View
Retailer 8
-
£3,804 GBP
$5,066 USD
View
Price last confirmed 13 days ago
Retailer 9
-
£3,804 GBP
$5,066 USD
View
Price last confirmed 11 days ago
Retailer 10
-
£3,804 GBP
$5,066 USD
View
Price last confirmed 13 days ago
A
Retailer 11
-
£3,840 GBP
$5,114 USD
View
A
Retailer 12
-
£3,845 GBP
$5,120 USD
View
A
Retailer 13
-
£3,919 GBP
$5,218 USD
View
A
Retailer 14
-
£4,036 GBP
A$8,268 AUD
View
Retailer 15
-
£4,390 GBP
$5,846 USD
View
Price last confirmed 10 days ago
B+
Retailer 16
-
£6,092 GBP
View
Retailer 17
-
£6,363 GBP
$8,474 USD
View
Price last confirmed 11 days ago
Most Expensive
B+
Queensmith
6542210237 · Oct 28
£6,671 GBP
View
17 more retailers have this diamond
Prices start from £2,855 GBPSave up to £3,816 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
£2,855 GBP