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Heart|Natural|GIA

0.81ct D SI2 Heart Natural Diamond

EX • D/SI2 • GIA 7511031034

Certificate GIA 7511031034

Diamond specifications and retailer prices

From £966 GBP
$1,295 USD
As of October 31, 2026
Save £2,028 GBP (68%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £2,994 GBP at NZ Jewellers · As of October 30, 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 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 7511031034. Listed at 10 retailers as of October 30, 2026, with prices from £966 to £2,994, a £2,028 spread on the same certified stone. NZ Jewellers lists it at £2,994. 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
D
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle35.35°
Pavilion angle40.08°
OriginNatural
Grading LabGIA
CertificateGIA 7511031034
Dimensions6.47 × 5.77 × 3.25 mm
L/W Ratio1.12
Culet sizeNone
Key to symbols
Feather
Top View
6.47 mm5.77 mm0.81 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 7511031034
Side View
Table 60.0%Crown 35.35°Girdle: ThickPavilion 40.08°Culet: NoneDepth 56.4%

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 31
Current: £2,994 GBP|Low: £342 GBP|High: £2,994 GBP|Avg: £1,418 GBP
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
October 31, 2026
Retailer 6£342 GBP
Retailer 8£966 GBP
Retailer 4£1,091 GBP
Retailer 13£1,224 GBP
Retailer 10£1,228 GBP
Retailer 11£1,228 GBP
Retailer 9£1,284 GBP
Retailer 2£1,318 GBP
Retailer 14£1,330 GBP
Retailer 12£1,417 GBP
Retailer 5£1,639 GBP
Retailer 3£1,770 GBP
Retailer 7£2,111 GBP
NZ Jewellers£2,994 GBP

39 data points across 14 retailers

10 retailers£966 GBP to £2,994 GBP

A
Cheapest Retailer
-
£966 GBP
$1,295 USD
Final sale: no returns
B+
Retailer 2
-
£1,102 GBP
$1,476 USD
View
B+
Retailer 3
-
£1,228 GBP
$1,645 USD
View
B+
Retailer 4
-
£1,228 GBP
$1,645 USD
View
B+
Retailer 5
-
£1,284 GBP
$1,721 USD
View
B+
Retailer 6
-
£1,318 GBP
View
B+
Retailer 7
-
£1,330 GBP
$1,781 USD
View
B+
Retailer 8
-
£1,417 GBP
$1,898 USD
View
B
Retailer 9
-
£2,111 GBP
View
Most Expensive
B
NZ Jewellers
7529c262-099b-422e-ad69-3bebe68666d0 · Oct 30
£2,994 GBP
$4,012 USD
View
9 more retailers have this diamond
Prices start from £966 GBPSave up to £2,028 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
£966 GBP