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Heart|Natural|GIA

0.80ct D SI1 Heart Natural Diamond

ID • D/SI1 • GIA 3555327678

Certificate GIA 3555327678

Diamond specifications and retailer prices

From £626 GBP
HK$6,500 HKD
As of October 29, 2026
Save £1,428 GBP (70%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £2,054 GBP at NZ Jewellers · As of October 27, 2026
View at NZ Jewellers

About this 0.8ct natural heart diamond

This 0.8ct natural heart sits in the just-under-one-carat band, graded D 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 3555327678. Listed at 21 retailers as of October 27, 2026, with prices from £626 to £2,054, a £1,428 spread on the same certified stone. NZ Jewellers lists it at £2,054. 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

0.80
Carat
D
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 3555327678
Dimensions5.89 × 6.40 × 3.70 mm
L/W Ratio1.09
Girdle conditionFaceted
Top View
5.89 mm6.40 mm0.80 ctD / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 3555327678
Side View
Table 59.0%CrownGirdle: VTN-THKPavilionCulet: NoneDepth 57.8%

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 29
Current: £633 GBP|Low: £629 GBP|High: £1,559 GBP|Avg: £917 GBP|-2.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 29, 2026
Retailer 1£633 GBP
Retailer 2£725 GBP
Retailer 13£751 GBP
Retailer 5£777 GBP
Retailer 4£781 GBP
Retailer 11£814 GBP
Retailer 3£874 GBP
Retailer 12£929 GBP
Retailer 9£963 GBP
Retailer 10£1,028 GBP
Retailer 6£1,068 GBP
Retailer 8£1,177 GBP
Retailer 7£1,550 GBP

20 data points across 13 retailers

21 retailers£626 GBP to £2,054 GBP

A
Cheapest Retailer
-
£626 GBP
HK$6,500 HKD
A
Retailer 2
-
£633 GBP
₹80,124 INR
View
A
Retailer 3
-
£725 GBP
$964 USD
View
A
Retailer 4
-
£751 GBP
€951 EUR
View
Price last confirmed 3 days ago
A
Retailer 5
-
£777 GBP
$1,032 USD
View
Final sale: no returns
A
Retailer 6
-
£781 GBP
SGD 1,403 SGD
View
A
Retailer 7
-
£789 GBP
$1,049 USD
View
A
Retailer 8
-
£814 GBP
$1,082 USD
View
A
Retailer 9
-
£842 GBP
$1,119 USD
View
A
Retailer 10
-
£874 GBP
$1,162 USD
View
A
Retailer 11
-
£879 GBP
SGD 1,578 SGD
View
A
Retailer 12
-
£929 GBP
$1,234 USD
View
A
Retailer 13
-
£963 GBP
View
A
Retailer 14
-
£972 GBP
$1,291 USD
View
A
Retailer 15
-
£1,028 GBP
View
B+
Retailer 16
-
£1,068 GBP
View
B+
Retailer 17
-
£1,086 GBP
$1,443 USD
View
B+
Retailer 18
-
£1,177 GBP
€1,490 EUR
View
B+
Retailer 19
-
£1,205 GBP
$1,602 USD
View
B+
Retailer 20
-
£1,550 GBP
View
Most Expensive
B
NZ Jewellers
1fff15d5-4722-4434-84c8-b3ca65d1a3cc · Oct 27
£2,054 GBP
$2,729 USD
View
20 more retailers have this diamond
Prices start from £626 GBPSave up to £1,428 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
0.80ct Heart
£626 GBP