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Heart|Natural|GIA

0.90ct K SI1 Heart Natural Diamond

EX • K/SI1 • GIA 2254237464

Certificate GIA 2254237464

Diamond specifications and retailer prices

From $2,100 NZD
As of November 6, 2026
Save $2,551 NZD (55%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $4,651 NZD 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 $2,100 to $4,651, a $2,551 spread on the same certified stone. Moon Ocean lists it at $4,651. 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
Colour
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $4,651 NZD|Low: $2,078 NZD|High: $4,736 NZD|Avg: $3,227 NZD|-1.8%
Moon Ocean
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 6$2,100 NZD
Retailer 7$2,625 NZD
Retailer 8$2,673 NZD
Retailer 3$2,733 NZD
Retailer 2$3,371 NZD
Retailer 4$3,559 NZD
Retailer 5$4,439 NZD
Moon Ocean$4,651 NZD

30 data points across 8 retailers

10 retailers$2,100 NZD to $4,651 NZD

B+
Cheapest Retailer
-
$2,100 NZD
B+
Retailer 2
-
$2,251 NZD
View
B
Retailer 3
-
$2,580 NZD
View
B
Retailer 4
-
$2,625 NZD
View
B
Retailer 5
-
$2,673 NZD
View
B
Retailer 6
-
$2,733 NZD
View
B
Retailer 7
-
$3,371 NZD
View
B
Retailer 8
-
$3,559 NZD
View
B
Retailer 9
-
$4,439 NZD
View
Most Expensive
B
Moon Ocean
NVN-3A03D79B8-464 · Nov 6
$4,651 NZD
£2,030 GBP
View
9 more retailers have this diamond
Prices start from $2,100 NZDSave up to $2,551 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+
0.90ct Heart
$2,100 NZD