Heart|Natural|GIA

0.90ct K SI1 Heart Natural Diamond

EX • K/SI1 • GIA 2254237464

Certificate GIA 2254237464

Diamond specifications and retailer prices

From $1,637 CAD
As of November 6, 2026
Save $1,989 CAD (55%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $3,627 CAD at Moon Ocean · As of November 6, 2026
View at Moon Ocean

About this 0.9ct natural heart diamond

This 0.9ct natural heart sits in the just-under-one-carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2254237464. Listed at 10 retailers as of November 6, 2026, with prices from $1,637 to $3,627, a $1,989 spread on the same certified stone. Moon Ocean lists it at $3,627. 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

0.90
Carat
K
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2254237464
Dimensions5.86 × 4.88 × 3.53 mm
L/W Ratio1.20
Top View
5.86 mm4.88 mm0.90 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2254237464
Side View
Table 60.0%CrownGirdle: ThickPavilionCulet: NoneDepth 72.4%

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 6
Current: $3,627 CAD|Low: $1,620 CAD|High: $3,693 CAD|Avg: $2,516 CAD|-1.8%
Moon Ocean
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 6$1,637 CAD
Retailer 7$2,047 CAD
Retailer 8$2,085 CAD
Retailer 3$2,131 CAD
Retailer 2$2,629 CAD
Retailer 4$2,775 CAD
Retailer 5$3,462 CAD
Moon Ocean$3,627 CAD

30 data points across 8 retailers

10 retailers$1,637 CAD to $3,627 CAD

B+
Cheapest Retailer
-
$1,637 CAD
B+
Retailer 2
-
$1,755 CAD
View
B
Retailer 3
-
$2,011 CAD
View
B
Retailer 4
-
$2,047 CAD
View
B
Retailer 5
-
$2,085 CAD
View
B
Retailer 6
-
$2,131 CAD
View
B
Retailer 7
-
$2,629 CAD
View
B
Retailer 8
-
$2,775 CAD
View
B
Retailer 9
-
$3,462 CAD
View
Most Expensive
B
Moon Ocean
NVN-3A03D79B8-464 · Nov 6
$3,627 CAD
£2,030 GBP
View
9 more retailers have this diamond
Prices start from $1,637 CADSave up to $1,989 CAD

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+
0.90ct Heart
$1,637 CAD