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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 $3,450 NZD
$1,941 USD
As of November 1, 2026
Save $3,933 NZD (53%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $7,383 NZD 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 $3,450 to $7,383, a $3,933 spread on the same certified stone. MOH London lists it at $7,383. 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
Colour
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $7,383 NZD|Low: $3,229 NZD|High: $7,471 NZD|Avg: $4,774 NZD|-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$3,450 NZD
Retailer 8$3,492 NZD
Retailer 12$3,523 NZD
Retailer 4$3,683 NZD
Retailer 11$3,727 NZD
Retailer 5$3,818 NZD
Retailer 10$4,330 NZD
Retailer 7$4,625 NZD
Retailer 13$5,188 NZD
Retailer 6$5,261 NZD
Retailer 2$5,312 NZD
Retailer 9$6,276 NZD
MOH London$7,383 NZD

39 data points across 13 retailers

19 retailers$3,450 NZD to $7,383 NZD

B
Cheapest Retailer
-
$3,450 NZD
$1,941 USD
B
Retailer 2
-
$3,492 NZD
$1,965 USD
View
B
Retailer 3
-
$3,523 NZD
$1,982 USD
View
Final sale: no returns
B
Retailer 4
-
$3,683 NZD
$2,072 USD
View
B
Retailer 5
-
$3,727 NZD
$2,097 USD
View
Retailer 6
-
$3,818 NZD
$2,148 USD
View
Price last confirmed 26 days ago
B
Retailer 7
-
$3,857 NZD
$2,170 USD
View
B
Retailer 8
-
$3,917 NZD
$2,204 USD
View
B
Retailer 9
-
$4,248 NZD
$2,390 USD
View
B
Retailer 10
-
$4,248 NZD
$2,390 USD
View
B
Retailer 11
-
$4,330 NZD
$2,436 USD
View
B
Retailer 12
-
$4,390 NZD
$2,470 USD
View
B
Retailer 13
-
$4,625 NZD
£2,049 GBP
View
B
Retailer 14
-
$4,887 NZD
$2,750 USD
View
Retailer 15
-
$5,188 NZD
A$4,491 AUD
View
Price last confirmed 26 days ago
B
Retailer 16
-
$5,261 NZD
€2,819 EUR
View
B
Retailer 17
-
$5,312 NZD
£2,354 GBP
View
B
Retailer 18
-
$6,276 NZD
ZAR 57,048 ZAR
View
Most Expensive
B
MOH London
68F618614 · Nov 1
$7,383 NZD
£3,271 GBP
View
18 more retailers have this diamond
Prices start from $3,450 NZDSave up to $3,933 NZD

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
$3,450 NZD