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Heart|Natural|GIA

0.91ct D SI1 Heart Natural Diamond

EX • D/SI1 • GIA 6471511554

Certificate GIA 6471511554

Diamond specifications and retailer prices

From $1,887 NZD
$1,062 USD
As of November 2, 2026
Save $3,103 NZD (62%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $4,991 NZD at NZ Jewellers · As of October 30, 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 D 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 6471511554. Listed at 15 retailers as of October 30, 2026, with prices from $1,887 to $4,991, a $3,103 spread on the same certified stone. NZ Jewellers lists it at $4,991. 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
D
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6471511554
Dimensions5.63 × 6.61 × 4.02 mm
L/W Ratio1.17
Top View
5.63 mm6.61 mm0.91 ctD / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 6471511554
Side View
Table 59.0%CrownGirdle: THK-XTKPavilionCulet: NoneDepth 60.8%

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: $4,991 NZD|Low: $1,887 NZD|High: $4,991 NZD|Avg: $2,885 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
November 2, 2026
Retailer 11$1,887 NZD
Retailer 4$2,046 NZD
Retailer 13$2,046 NZD
Retailer 5$2,126 NZD
Retailer 6$2,333 NZD
Retailer 12$2,360 NZD
Retailer 9$2,391 NZD
Retailer 10$2,606 NZD
Retailer 3$2,676 NZD
Retailer 8$2,997 NZD
Retailer 7$3,749 NZD
Retailer 2$4,888 NZD
NZ Jewellers$4,991 NZD

36 data points across 13 retailers

15 retailers$1,887 NZD to $4,991 NZD

A
Cheapest Retailer
-
$1,887 NZD
$1,062 USD
Final sale: no returns
A
Retailer 2
-
$1,960 NZD
$1,103 USD
View
A
Retailer 3
-
$1,964 NZD
$1,105 USD
View
A
Retailer 4
-
$2,046 NZD
$1,151 USD
View
A
Retailer 5
-
$2,046 NZD
$1,151 USD
View
A
Retailer 6
-
$2,126 NZD
$1,196 USD
View
A
Retailer 7
-
$2,333 NZD
£1,034 GBP
View
A
Retailer 8
-
$2,360 NZD
$1,328 USD
View
A
Retailer 9
-
$2,391 NZD
£1,059 GBP
View
A
Retailer 10
-
$2,606 NZD
$1,466 USD
View
Retailer 11
-
$2,676 NZD
A$2,316 AUD
View
Price last confirmed 28 days ago
B+
Retailer 12
-
$2,997 NZD
ZAR 27,244 ZAR
View
B+
Retailer 13
-
$3,749 NZD
£1,661 GBP
View
B
Retailer 14
-
$4,888 NZD
£2,166 GBP
View
Most Expensive
B
NZ Jewellers
30bddc7a-648e-4cc3-979c-128be06856ef · Oct 30
$4,991 NZD
$2,808 USD
View
14 more retailers have this diamond
Prices start from $1,887 NZDSave up to $3,103 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
0.91ct Heart
$1,887 NZD