Heart|Natural|GIA

1.51ct J SI1 Heart Natural Diamond

EX • J/SI1 • GIA 6565046861

Certificate GIA 6565046861

Diamond specifications and retailer prices

From $2,951 USD
As of November 6, 2026
Save $1,084 USD (27%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $4,035 USD 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 $2,951 to $4,035, a $1,084 spread on the same certified stone. GemTrove lists it at $4,035. 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $2,951 USD|Low: $2,951 USD|High: $4,022 USD|Avg: $3,393 USD|-1.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 6, 2026
Retailer 1$2,951 USD
Retailer 3$2,999 USD
Retailer 2$3,206 USD
Retailer 5$3,512 USD
Retailer 4$3,576 USD

46 data points across 5 retailers

7 retailers$2,951 USD to $4,035 USD

A
Cheapest Retailer
-
$2,951 USD
A
Retailer 2
-
$2,999 USD
View
A
Retailer 3
-
$3,206 USD
View
B+
Retailer 4
-
$3,512 USD
View
B+
Retailer 5
-
$3,576 USD
View
B+
Retailer 6
-
$3,762 USD
View
Most Expensive
B+
GemTrove
GT-N-01269524-98 · Nov 6
$4,035 USD
A$6,208 AUD
View
6 more retailers have this diamond
Prices start from $2,951 USDSave up to $1,084 USD

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
$2,951 USD