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Heart|Natural|GIA

0.81ct I SI1 Heart Natural Diamond

EX • I/SI1 • GIA 6412487272

Certificate GIA 6412487272

Diamond specifications and retailer prices

From $1,941 USD
As of November 1, 2026
Save $2,213 USD (53%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $4,154 USD at MOH London · As of November 1, 2026
View at MOH London

About this 0.81ct natural heart diamond

This 0.81ct 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 6412487272. Listed at 19 retailers as of November 1, 2026, with prices from $1,941 to $4,154, a $2,213 spread on the same certified stone. MOH London lists it at $4,154. 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
I
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6412487272
Dimensions5.22 × 5.18 × 3.51 mm
L/W Ratio1.01
Top View
5.22 mm5.18 mm0.81 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6412487272
Side View
Table 60.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 67.9%

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: $4,154 USD|Low: $1,817 USD|High: $4,204 USD|Avg: $2,686 USD|-1.1%
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
November 2, 2026
Retailer 3$1,941 USD
Retailer 8$1,965 USD
Retailer 12$1,982 USD
Retailer 4$2,072 USD
Retailer 11$2,097 USD
Retailer 5$2,148 USD
Retailer 10$2,436 USD
Retailer 7$2,602 USD
Retailer 13$2,919 USD
Retailer 6$2,960 USD
Retailer 2$2,989 USD
Retailer 9$3,531 USD
MOH London$4,154 USD

39 data points across 13 retailers

19 retailers$1,941 USD to $4,154 USD

B
Cheapest Retailer
-
$1,941 USD
B
Retailer 2
-
$1,965 USD
View
B
Retailer 3
-
$1,982 USD
View
Final sale: no returns
B
Retailer 4
-
$2,072 USD
View
B
Retailer 5
-
$2,097 USD
View
Retailer 6
-
$2,148 USD
View
Price last confirmed 25 days ago
B
Retailer 7
-
$2,170 USD
View
B
Retailer 8
-
$2,204 USD
View
B
Retailer 9
-
$2,390 USD
View
B
Retailer 10
-
$2,390 USD
View
B
Retailer 11
-
$2,436 USD
View
B
Retailer 12
-
$2,470 USD
View
B
Retailer 13
-
$2,602 USD
£2,049 GBP
View
B
Retailer 14
-
$2,750 USD
View
Retailer 15
-
$2,919 USD
A$4,491 AUD
View
Price last confirmed 25 days ago
B
Retailer 16
-
$2,960 USD
€2,819 EUR
View
B
Retailer 17
-
$2,989 USD
£2,354 GBP
View
B
Retailer 18
-
$3,531 USD
ZAR 57,048 ZAR
View
Most Expensive
B
MOH London
68F618614 · Nov 1
$4,154 USD
£3,271 GBP
View
18 more retailers have this diamond
Prices start from $1,941 USDSave up to $2,213 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
0.81ct Heart
$1,941 USD