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Heart|Natural|GIA

1.51ct J SI1 Heart Natural Diamond

EX • J/SI1 • GIA 6565046861

Certificate GIA 6565046861

Diamond specifications and retailer prices

From $3,782 SGD
As of November 6, 2026
Save $1,390 SGD (27%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $5,172 SGD at GemTrove · As of November 6, 2026
View at GemTrove

About this 1.51ct natural heart diamond

This 1.51ct natural heart sits in the one-and-a-half to two carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6565046861. Listed at 7 retailers as of November 6, 2026, with prices from $3,782 to $5,172, a $1,390 spread on the same certified stone. GemTrove lists it at $5,172. 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

1.51
Carat
J
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6565046861
Dimensions7.14 × 7.80 × 4.62 mm
L/W Ratio1.09
Culet sizeNone
Key to symbols
Twinning Wisp, Cloud, Feather, Natural
Top View
7.14 mm7.80 mm1.51 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6565046861
Side View
Table 59.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 59.2%

Caratlytics Score

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

Price History

Last verified: Nov 6
Current: $3,782 SGD|Low: $3,782 SGD|High: $5,155 SGD|Avg: $4,348 SGD|-1.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 6, 2026
Retailer 1$3,782 SGD
Retailer 3$3,844 SGD
Retailer 2$4,109 SGD
Retailer 5$4,501 SGD
Retailer 4$4,583 SGD

46 data points across 5 retailers

7 retailers$3,782 SGD to $5,172 SGD

A
Cheapest Retailer
-
$3,782 SGD
A
Retailer 2
-
$3,844 SGD
View
A
Retailer 3
-
$4,109 SGD
View
B+
Retailer 4
-
$4,501 SGD
View
B+
Retailer 5
-
$4,583 SGD
View
B+
Retailer 6
-
$4,821 SGD
View
Most Expensive
B+
GemTrove
GT-N-01269524-98 · Nov 6
$5,172 SGD
A$6,208 AUD
View
6 more retailers have this diamond
Prices start from $3,782 SGDSave up to $1,390 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
$3,782 SGD