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Heart|Natural|GIA

0.81ct E SI1 Heart Natural Diamond

EX • E/SI1 • GIA 2556491540

Certificate GIA 2556491540

Diamond specifications and retailer prices

From £907 GBP
$1,215 USD
As of October 30, 2026
Save £198 GBP (18%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £1,105 GBP at Jared · As of October 30, 2026
View at Jared

About this 0.81ct natural heart diamond

This 0.81ct natural heart sits in the just-under-one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2556491540. Listed at 7 retailers as of October 30, 2026, with prices from £907 to £1,105, a £198 spread on the same certified stone. Jared lists it at £1,105. 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

0.81
Carat
E
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2556491540
Dimensions5.64 × 6.51 × 3.83 mm
L/W Ratio1.15
Culet sizeNone
Key to symbols
Twinning Wisp, Feather
Top View
5.64 mm6.51 mm0.81 ctE / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 2556491540
Side View
Table 61.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 58.8%

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 30
Current: £1,105 GBP|Low: £907 GBP|High: £1,134 GBP|Avg: £1,034 GBP|-2.6%
Jared
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 30, 2026
Retailer 4£907 GBP
Retailer 5£999 GBP
Retailer 2£1,000 GBP
Retailer 6£1,007 GBP
Retailer 3£1,067 GBP
Retailer 7£1,067 GBP
Jared£1,105 GBP

39 data points across 7 retailers

7 retailers£907 GBP to £1,105 GBP

A
Cheapest Retailer
-
£907 GBP
$1,215 USD
A
Retailer 2
-
£999 GBP
$1,338 USD
View
B+
Retailer 3
-
£1,000 GBP
View
B+
Retailer 4
-
£1,007 GBP
SGD 1,824 SGD
View
B+
Retailer 5
-
£1,067 GBP
$1,430 USD
View
B+
Retailer 6
-
£1,067 GBP
$1,430 USD
View
Most Expensive
B+
Jared
159886251 · Oct 30
£1,105 GBP
$1,480 USD
View
6 more retailers have this diamond
Prices start from £907 GBPSave up to £198 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
0.81ct Heart
£907 GBP