Heart|Natural|GIA

0.91ct D SI1 Heart Natural Diamond

EX • D/SI1 • GIA 5403413377

Certificate GIA 5403413377

Diamond specifications and retailer prices

From $1,733 USD
As of November 2, 2026
Save $4,486 USD (72%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $6,219 USD 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 5403413377. Listed at 19 retailers as of October 30, 2026, with prices from $1,733 to $6,219, a $4,486 spread on the same certified stone. NZ Jewellers lists it at $6,219. 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
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 5403413377
Dimensions5.76 × 6.71 × 3.92 mm
L/W Ratio1.16
Top View
5.76 mm6.71 mm0.91 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 5403413377
Side View
Table 63.0%CrownGirdle: VTN-THKPavilionCulet: NoneDepth 58.4%

Caratlytics Score

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

Price History

Last verified: Nov 2
Current: $6,219 USD|Low: $1,832 USD|High: $7,025 USD|Avg: $3,539 USD
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
Retailer 16
Retailer 17
November 2, 2026
Retailer 7$1,904 USD
Retailer 2$1,921 USD
Retailer 16$2,414 USD
Retailer 5$2,531 USD
Retailer 15$2,655 USD
Retailer 9$2,690 USD
Retailer 13$2,695 USD
Retailer 14$2,695 USD
Retailer 3$2,731 USD
Retailer 12$2,799 USD
Retailer 17$3,110 USD
Retailer 6$3,345 USD
Retailer 4$3,453 USD
Retailer 11$4,388 USD
Retailer 10$4,975 USD
NZ Jewellers$6,219 USD
Retailer 8$7,025 USD

39 data points across 17 retailers

19 retailers$1,733 USD to $6,219 USD

B+
Cheapest Retailer
-
$1,733 USD
B+
Retailer 2
-
$1,904 USD
View
B+
Retailer 3
-
$1,921 USD
£1,513 GBP
View
B+
Retailer 4
-
$2,020 USD
View
B+
Retailer 5
-
$2,020 USD
View
B+
Retailer 6
-
$2,090 USD
View
B
Retailer 7
-
$2,414 USD
View
B
Retailer 8
-
$2,531 USD
View
B
Retailer 9
-
$2,655 USD
View
B
Retailer 10
-
$2,695 USD
View
B
Retailer 11
-
$2,695 USD
View
B
Retailer 12
-
$2,731 USD
View
B
Retailer 13
-
$2,799 USD
View
B
Retailer 14
-
$3,110 USD
View
Retailer 15
-
$3,345 USD
A$5,147 AUD
View
Price last confirmed 29 days ago
Retailer 16
-
$3,453 USD
View
Price last confirmed 10 days ago
B
Retailer 17
-
$4,388 USD
ZAR 70,887 ZAR
View
B
Retailer 18
-
$4,975 USD
£3,917 GBP
View
Most Expensive
B
NZ Jewellers
83ad9467-41af-47a3-9f90-d50325e4d156 · Oct 30
$6,219 USD
View
18 more retailers have this diamond
Prices start from $1,733 USDSave up to $4,486 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+
0.91ct Heart
$1,733 USD