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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 $1,492 SGD
As of November 6, 2026
Save $1,813 SGD (55%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $3,304 SGD 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 $1,492 to $3,304, a $1,813 spread on the same certified stone. Moon Ocean lists it at $3,304. 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: $3,304 SGD|Low: $1,476 SGD|High: $3,365 SGD|Avg: $2,293 SGD|-1.8%
Moon Ocean
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 7, 2026
Retailer 6$1,492 SGD
Retailer 7$1,865 SGD
Retailer 8$1,899 SGD
Retailer 2$1,947 SGD
Retailer 3$2,395 SGD
Retailer 4$2,529 SGD
Retailer 5$3,154 SGD
Moon Ocean$3,304 SGD

31 data points across 8 retailers

10 retailers$1,492 SGD to $3,304 SGD

B+
Cheapest Retailer
-
$1,492 SGD
B+
Retailer 2
-
$1,599 SGD
View
B
Retailer 3
-
$1,833 SGD
View
B
Retailer 4
-
$1,865 SGD
View
B
Retailer 5
-
$1,899 SGD
View
B
Retailer 6
-
$1,947 SGD
View
B
Retailer 7
-
$2,395 SGD
View
B
Retailer 8
-
$2,529 SGD
View
B
Retailer 9
-
$3,154 SGD
View
Most Expensive
B
Moon Ocean
NVN-3A03D79B8-464 · Nov 6
$3,304 SGD
£2,030 GBP
View
9 more retailers have this diamond
Prices start from $1,492 SGDSave up to $1,813 SGD

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
$1,492 SGD