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Heart|Natural|GIA

0.81ct D SI2 Heart Natural Diamond

EX • D/SI2 • GIA 6441896539

Certificate GIA 6441896539

Diamond specifications and retailer prices

From $1,899 NZD
$1,070 USD
As of November 2, 2026
Save $1,892 NZD (50%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $3,790 NZD at MOH London · As of October 29, 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 D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6441896539. Listed at 9 retailers as of October 29, 2026, with prices from $1,899 to $3,790, a $1,892 spread on the same certified stone. MOH London lists it at $3,790. 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
D
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
Crown angle43.48°
Pavilion angle38.2°
OriginNatural
Grading LabGIA
CertificateGIA 6441896539
Dimensions5.52 × 6.45 × 3.78 mm
L/W Ratio1.17
Top View
5.52 mm6.45 mm0.81 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6441896539
Side View
Table 61.0%Crown 43.48°Girdle: STK-VTKPavilion 38.2°Culet: NoneDepth 58.6%

Caratlytics Score

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

Price History

Last verified: Nov 2
Current: $3,790 NZD|Low: $1,899 NZD|High: $3,790 NZD|Avg: $2,702 NZD|+0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 9$1,899 NZD
Retailer 4$2,058 NZD
Retailer 8$2,058 NZD
Retailer 2$2,348 NZD
Retailer 6$2,376 NZD
Retailer 7$2,405 NZD
Retailer 11$2,630 NZD
Retailer 5$2,732 NZD
Retailer 10$2,815 NZD
Retailer 3$3,488 NZD
MOH London$3,790 NZD

15 data points across 11 retailers

9 retailers$1,899 NZD to $3,790 NZD

A
Cheapest Retailer
-
$1,899 NZD
$1,070 USD
Final sale: no returns
Retailer 2
-
$2,058 NZD
$1,160 USD
View
Price last confirmed 8 days ago
A
Retailer 3
-
$2,058 NZD
$1,160 USD
View
B+
Retailer 4
-
$2,348 NZD
£1,042 GBP
View
B+
Retailer 5
-
$2,376 NZD
$1,339 USD
View
A
Retailer 6
-
$2,405 NZD
£1,067 GBP
View
B+
Retailer 7
-
$2,732 NZD
£1,212 GBP
View
B
Retailer 8
-
$3,488 NZD
€1,872 EUR
View
Most Expensive
B
MOH London
5903F61C9 · Oct 29
$3,790 NZD
£1,682 GBP
View
8 more retailers have this diamond
Prices start from $1,899 NZDSave up to $1,892 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.

A
0.81ct Heart
$1,899 NZD