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Heart|Natural|GIA

0.80ct D SI1 Heart Natural Diamond

EX • D/SI1 • GIA 1193675988

Certificate GIA 1193675988

Diamond specifications and retailer prices

From £935 GBP
$1,253 USD
As of October 31, 2026
Save £95 GBP (9%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £1,698 GBP at MOH London · As of October 4, 2026
View at MOH London

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 1193675988. Listed at 7 retailers as of October 30, 2026, with a relatively tight 10% spread, which is unusual at this carat range and suggests competitive pricing across the listings. 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
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1193675988
Dimensions5.14 × 6.39 × 3.95 mm
L/W Ratio1.24
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Cloud, Feather
Top View
5.14 mm6.39 mm0.80 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1193675988
Side View
Table 55.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 61.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: £1,698 GBP|Low: £917 GBP|High: £1,698 GBP|Avg: £1,124 GBP|+5.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 6, 2026
Retailer 9£917 GBP
Retailer 8£935 GBP
Retailer 5£1,000 GBP
Retailer 6£1,000 GBP
Retailer 2£1,011 GBP
Retailer 4£1,030 GBP
Retailer 7£1,154 GBP
Retailer 3£1,198 GBP
Retailer 10£1,396 GBP
MOH London£1,698 GBP

17 data points across 10 retailers

7 retailers£935 GBP to £1,030 GBP

A
Cheapest Retailer
-
£935 GBP
$1,253 USD
A
Retailer 2
-
£1,000 GBP
$1,340 USD
View
A
Retailer 3
-
£1,000 GBP
$1,340 USD
View
B+
Retailer 4
-
£1,030 GBP
$1,380 USD
View
Retailer 5
-
£1,154 GBP
View
Price last confirmed 36 days ago
Retailer 6
-
£1,198 GBP
A$2,469 AUD
View
Price last confirmed 28 days ago
Most Expensive
MOH London
9F7037BE9 · Oct 4
£1,698 GBP
View
Price last confirmed 28 days ago
6 more retailers have this diamond
Prices start from £935 GBPSave up to £95 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
£935 GBP