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Heart|Natural|GIA

0.80ct I SI1 Heart Natural Diamond

EX • I/SI1 • GIA 1437540321

Certificate GIA 1437540321

Diamond specifications and retailer prices

From $1,995 USD
As of November 1, 2026
Save $2,277 USD (53%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $4,272 USD at MOH London · As of November 2, 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 I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1437540321. Listed at 18 retailers as of November 1, 2026, with prices from $1,995 to $4,272, a $2,277 spread on the same certified stone. MOH London lists it at $4,272. 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
I
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1437540321
Dimensions5.21 × 5.03 × 3.43 mm
L/W Ratio1.04
Culet sizeNone
Top View
5.21 mm5.03 mm0.80 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1437540321
Side View
Table 60.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 68.1%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $4,272 USD|Low: $1,869 USD|High: $4,324 USD|Avg: $2,709 USD|-1.2%
MOH London
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
November 2, 2026
Retailer 4$1,995 USD
Retailer 9$2,020 USD
Retailer 13$2,039 USD
Retailer 6$2,131 USD
Retailer 12$2,149 USD
Retailer 5$2,209 USD
Retailer 3$2,220 USD
Retailer 11$2,505 USD
Retailer 8$2,606 USD
Retailer 14$3,002 USD
Retailer 7$3,044 USD
Retailer 2$3,074 USD
Retailer 10$3,632 USD
MOH London$4,272 USD

37 data points across 14 retailers

18 retailers$1,995 USD to $4,272 USD

B
Cheapest Retailer
-
$1,995 USD
B
Retailer 2
-
$2,020 USD
View
B
Retailer 3
-
$2,039 USD
View
Final sale: no returns
B
Retailer 4
-
$2,131 USD
View
B
Retailer 5
-
$2,149 USD
View
Retailer 6
-
$2,209 USD
View
Price last confirmed 25 days ago
B
Retailer 7
-
$2,220 USD
View
B
Retailer 8
-
$2,263 USD
View
B
Retailer 9
-
$2,460 USD
View
B
Retailer 10
-
$2,460 USD
View
B
Retailer 11
-
$2,505 USD
View
B
Retailer 12
-
$2,540 USD
View
B
Retailer 13
-
$2,606 USD
£2,052 GBP
View
Retailer 14
-
$3,002 USD
A$4,619 AUD
View
Price last confirmed 25 days ago
B
Retailer 15
-
$3,044 USD
€2,899 EUR
View
B
Retailer 16
-
$3,074 USD
£2,421 GBP
View
B
Retailer 17
-
$3,632 USD
ZAR 58,679 ZAR
View
Most Expensive
B
MOH London
9BA31688C · Nov 2
$4,272 USD
£3,364 GBP
View
17 more retailers have this diamond
Prices start from $1,995 USDSave up to $2,277 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
$1,995 USD