Heart|Natural|GIA

0.91ct F SI1 Heart Natural Diamond

ID • F/SI1 • GIA 6412283975

Certificate GIA 6412283975

Diamond specifications and retailer prices

From $1,223 USD
As of November 2, 2026
Save $2,037 USD (62%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $3,260 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 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 6412283975. Listed at 12 retailers as of October 30, 2026, with prices from $1,223 to $3,260, a $2,037 spread on the same certified stone. NZ Jewellers lists it at $3,260. 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
Color
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6412283975
Dimensions5.59 × 6.55 × 4.23 mm
L/W Ratio1.17
Top View
5.59 mm6.55 mm0.91 ctF / SI1
OriginNatural
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 6412283975
Side View
Table 58.0%CrownGirdle: THN-VTKPavilionCulet: NoneDepth 64.6%

Caratlytics Score

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

Price History

Last verified: Nov 2
Current: $3,260 USD|Low: $1,223 USD|High: $3,260 USD|Avg: $1,744 USD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 10$1,223 USD
Retailer 6$1,372 USD
Retailer 3$1,460 USD
Retailer 9$1,460 USD
Retailer 11$1,510 USD
Retailer 8$1,529 USD
Retailer 2$1,542 USD
Retailer 7$1,612 USD
Retailer 5$1,834 USD
Retailer 4$2,449 USD
NZ Jewellers$3,260 USD

40 data points across 11 retailers

12 retailers$1,223 USD to $3,260 USD

A
Cheapest Retailer
-
$1,223 USD
B+
Retailer 2
-
$1,372 USD
View
B+
Retailer 3
-
$1,460 USD
View
B+
Retailer 4
-
$1,460 USD
View
B+
Retailer 5
-
$1,510 USD
View
B+
Retailer 6
-
$1,529 USD
View
B+
Retailer 7
-
$1,542 USD
£1,214 GBP
View
Retailer 8
-
$1,612 USD
£1,269 GBP
View
Price last confirmed 36 days ago
B+
Retailer 9
-
$1,834 USD
CA$2,547 CAD
View
B
Retailer 10
-
$2,201 USD
CA$3,058 CAD
View
B
Retailer 11
-
$2,449 USD
£1,928 GBP
View
Most Expensive
B
NZ Jewellers
0b511d34-f01f-47c8-a762-6bc8371bfb2c · Oct 30
$3,260 USD
View
11 more retailers have this diamond
Prices start from $1,223 USDSave up to $2,037 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.

A
0.91ct Heart
$1,223 USD