Heart|Natural|GIA

0.80ct D SI1 Heart Natural Diamond

GD • D/SI1 • GIA 1378996675

Shape and cutting style on the report: Heart brilliant

Certificate GIA 1378996675

Diamond specifications and retailer prices

From $3,839 USD
€3,656 EUR
As of October 31, 2026
Save $1,673 USD (30%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $5,512 USD at MOH London · As of October 29, 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 standard cut grade stated by the retailer rather than the lab and certified by GIA 1378996675. Listed at 3 retailers as of October 29, 2026, with prices from $3,839 to $5,512, a $1,673 spread on the same certified stone. MOH London lists it at $5,512. 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

0.80
Carat
D
Color
SI1
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1378996675
Dimensions6.05 × 6.57 × 3.54 mm
L/W Ratio1.09
Culet sizeNone
Key to symbols
Twinning Wisp
Top View
6.05 mm6.57 mm0.80 ctD / SI1
OriginNatural
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1378996675
Side View
Table 57.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 53.8%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 31
Current: $5,512 USD|Low: $3,370 USD|High: $5,549 USD|Avg: $4,072 USD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 31, 2026
Retailer 6$3,370 USD
Retailer 3$3,502 USD
Retailer 5$3,795 USD
Retailer 2$3,839 USD
Retailer 4$4,419 USD
MOH London$5,512 USD

26 data points across 6 retailers

3 retailers$3,839 USD to $5,512 USD

Retailer 1
-
$3,502 USD
A$5,388 AUD
Price last confirmed 23 days ago
B
Retailer 2
-
$3,839 USD
€3,656 EUR
View
Most Expensive
B
MOH London
FD0C257CC · Oct 29
$5,512 USD
£4,340 GBP
View
2 more retailers have this diamond
Prices start from $3,839 USDSave up to $1,673 USD

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.

B
0.80ct Heart
$3,839 USD