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Heart|Natural|GIA

0.91ct F SI1 Heart Natural Diamond

EX • F/SI1 • GIA 6551101722

Certificate GIA 6551101722

Diamond specifications and retailer prices

From $2,618 NZD
$1,473 USD
As of November 1, 2026
Save $4,662 NZD (64%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $7,280 NZD at NZ Jewellers · As of November 3, 2026
View at NZ Jewellers

About this 0.91ct natural heart diamond

This 0.91ct natural heart sits in the just-under-one-carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6551101722. Listed at 15 retailers as of November 1, 2026, with prices from $2,618 to $7,280, a $4,662 spread on the same certified stone. NZ Jewellers lists it at $7,280. 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

0.91
Carat
F
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.61°
Pavilion angle41.52°
OriginNatural
Grading LabGIA
CertificateGIA 6551101722
Dimensions5.68 × 6.62 × 3.94 mm
L/W Ratio1.17
Top View
5.68 mm6.62 mm0.91 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6551101722
Side View
Table 59.0%Crown 38.61°Girdle: THK-VTKPavilion 41.52°Culet: NoneDepth 59.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $7,280 NZD|Low: $2,526 NZD|High: $7,280 NZD|Avg: $3,876 NZD
NZ Jewellers
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
Retailer 15
November 3, 2026
Retailer 4$2,618 NZD
Retailer 13$2,719 NZD
Retailer 12$2,753 NZD
Retailer 3$2,984 NZD
Retailer 5$2,984 NZD
Retailer 14$3,110 NZD
Retailer 11$3,123 NZD
Retailer 2$3,317 NZD
Retailer 6$3,444 NZD
Retailer 15$3,619 NZD
Retailer 7$3,990 NZD
Retailer 10$4,402 NZD
Retailer 8$5,230 NZD
Retailer 9$5,744 NZD
NZ Jewellers$7,280 NZD

43 data points across 15 retailers

15 retailers$2,618 NZD to $7,280 NZD

B+
Cheapest Retailer
-
$2,618 NZD
$1,473 USD
B+
Retailer 2
-
$2,719 NZD
$1,530 USD
View
B+
Retailer 3
-
$2,753 NZD
$1,549 USD
View
Final sale: no returns
B+
Retailer 4
-
$2,984 NZD
$1,679 USD
View
B+
Retailer 5
-
$2,984 NZD
$1,679 USD
View
B+
Retailer 6
-
$3,110 NZD
$1,750 USD
View
B+
Retailer 7
-
$3,123 NZD
$1,757 USD
View
B+
Retailer 8
-
$3,317 NZD
£1,470 GBP
View
B+
Retailer 9
-
$3,444 NZD
$1,938 USD
View
B+
Retailer 10
-
$3,619 NZD
$2,036 USD
View
Retailer 11
-
$3,990 NZD
A$3,454 AUD
View
Price last confirmed 28 days ago
B
Retailer 12
-
$4,402 NZD
ZAR 40,017 ZAR
View
B
Retailer 13
-
$5,230 NZD
£2,317 GBP
View
B
Retailer 14
-
$5,744 NZD
£2,545 GBP
View
Most Expensive
B
NZ Jewellers
2df41225-1307-453d-9b46-2a8edd1b8f93 · Nov 3
$7,280 NZD
$4,096 USD
View
14 more retailers have this diamond
Prices start from $2,618 NZDSave up to $4,662 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+
0.91ct Heart
$2,618 NZD