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Heart|Natural|GIA

0.81ct I SI2 Heart Natural Diamond

VG • I/SI2 • GIA 6552395259

Certificate GIA 6552395259

Diamond specifications and retailer prices

From £406 GBP
As of November 6, 2026
Save £1,323 GBP (77%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £1,730 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 0.81ct natural heart diamond

This 0.81ct natural heart sits in the just-under-one-carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade stated by the retailer rather than the lab and certified by GIA 6552395259. Listed at 16 retailers as of November 5, 2026, with prices from £406 to £1,730, a £1,323 spread on the same certified stone. NZ Jewellers lists it at £1,730. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.81
Carat
I
Colour
SI2
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6552395259
Dimensions5.81 × 6.59 × 3.72 mm
L/W Ratio1.13
Girdle conditionFaceted
Culet sizeNone
Top View
5.81 mm6.59 mm0.81 ctI / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6552395259
Side View
Table 57.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 56.5%

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: £1,730 GBP|Low: £406 GBP|High: £1,772 GBP|Avg: £746 GBP|-2.4%
NZ Jewellers
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
November 6, 2026
Retailer 2£406 GBP
Retailer 5£468 GBP
Retailer 4£508 GBP
Retailer 11£533 GBP
Retailer 6£551 GBP
Retailer 12£566 GBP
Retailer 15£573 GBP
Retailer 9£578 GBP
Retailer 7£584 GBP
Retailer 3£637 GBP
Retailer 10£657 GBP
Retailer 8£689 GBP
Retailer 14£778 GBP
Retailer 13£1,009 GBP
Retailer 16£1,606 GBP
NZ Jewellers£1,730 GBP

29 data points across 16 retailers

16 retailers£406 GBP to £1,730 GBP

A
Cheapest Retailer
-
£406 GBP
B+
Retailer 2
-
£468 GBP
View
B+
Retailer 3
-
£508 GBP
View
Final sale: no returns
A
Retailer 4
-
£533 GBP
View
A
Retailer 5
-
£551 GBP
View
A
Retailer 6
-
£566 GBP
View
A
Retailer 7
-
£573 GBP
View
A
Retailer 8
-
£578 GBP
View
A
Retailer 9
-
£584 GBP
View
A
Retailer 10
-
£637 GBP
View
A
Retailer 11
-
£657 GBP
View
A
Retailer 12
-
£689 GBP
View
B+
Retailer 13
-
£778 GBP
View
B+
Retailer 14
-
£1,009 GBP
View
B
Retailer 15
-
£1,606 GBP
View
Most Expensive
B
NZ Jewellers
f7c1d06c-785e-48f3-9bd0-a440d6bd87a8 · Nov 5
£1,730 GBP
$2,315 USD
View
15 more retailers have this diamond
Prices start from £406 GBPSave up to £1,323 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
£406 GBP