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Heart|Natural|GIA

1.51ct K VS1 Heart Natural Diamond

EX • K/VS1 • GIA 3565431298

Certificate GIA 3565431298

Diamond specifications and retailer prices

From $4,738 SGD
As of November 6, 2026
Save $897 SGD (16%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $5,635 SGD at Blue Nile · As of November 5, 2026
View at Blue Nile

About this 1.51ct natural heart diamond

This 1.51ct natural heart sits in the one-and-a-half to two carat band, graded K colour (faint-tinted) and VS1 clarity (very-slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 3565431298. Listed at 4 retailers as of November 5, 2026, with prices from $4,738 to $5,635, a $897 spread on the same certified stone. Blue Nile lists it at $5,635. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
K
Colour
VS1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 3565431298
Dimensions6.80 × 8.04 × 4.60 mm
L/W Ratio1.18
Culet sizeNone
Key to symbols
Crystal, Pinpoint, Natural
Top View
6.80 mm8.04 mm1.51 ctK / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 3565431298
Side View
Table 59.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 57.2%

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 6
Current: $5,635 SGD|Low: $4,738 SGD|High: $5,794 SGD|Avg: $5,251 SGD|-2.7%
Blue Nile
Retailer 2
Retailer 3
Retailer 4
November 6, 2026
Retailer 3$4,738 SGD
Retailer 4$5,029 SGD
Retailer 2$5,052 SGD
Blue Nile$5,635 SGD

36 data points across 4 retailers

4 retailers$4,738 SGD to $5,635 SGD

A
Cheapest Retailer
-
$4,738 SGD
A
Retailer 2
-
$5,029 SGD
View
A
Retailer 3
-
$5,052 SGD
View
Most Expensive
B+
Blue Nile
30289174 · Nov 5
$5,635 SGD
$4,397 USD
View
3 more retailers have this diamond
Prices start from $4,738 SGDSave up to $897 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.

A
1.51ct Heart
$4,738 SGD