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Heart|Natural|GIA

1.51ct L SI2 Heart Natural Diamond

EX • L/SI2 • GIA 1246106134

Certificate GIA 1246106134

Diamond specifications and retailer prices

From $2,144 USD
As of November 4, 2026
Save $1,444 USD (40%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $3,588 USD at Wholesale Diamonds Direct · As of November 6, 2026
View at Wholesale Diamonds Direct

About this 1.51ct natural heart diamond

This 1.51ct natural heart sits in the one-and-a-half to two carat band, graded L colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1246106134. Listed at 7 retailers as of November 4, 2026, with prices from $2,144 to $3,588, a $1,444 spread on the same certified stone. Wholesale Diamonds Direct lists it at $3,588. 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
L
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.65°
Pavilion angle40.19°
OriginNatural
Grading LabGIA
CertificateGIA 1246106134
Dimensions7.90 × 6.96 × 4.66 mm
L/W Ratio1.14
Culet sizeNone
Top View
7.90 mm6.96 mm1.51 ctL / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1246106134
Side View
Table 59.0%Crown 42.65°Girdle: MED-VTKPavilion 40.19°Culet: NDepth 59.0%

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 4
Current: $2,712 USD|Low: $2,144 USD|High: $3,588 USD|Avg: $2,600 USD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Wholesale Diamonds Direct
November 6, 2026
Retailer 6$2,144 USD
Retailer 3$2,162 USD
Retailer 2$2,361 USD
Retailer 4$2,542 USD
Retailer 5$2,560 USD
Retailer 1$2,712 USD
Wholesale Diamonds Direct$3,588 USD

15 data points across 7 retailers

7 retailers$2,144 USD to $3,588 USD

A
Cheapest Retailer
-
$2,144 USD
A
Retailer 2
-
$2,162 USD
View
B+
Retailer 3
-
$2,361 USD
View
B+
Retailer 4
-
$2,542 USD
View
B+
Retailer 5
-
$2,560 USD
View
B+
Retailer 6
-
$2,712 USD
View
Most Expensive
B
Wholesale Diamonds Direct
600305914 · Nov 6
$3,588 USD
View
6 more retailers have this diamond
Prices start from $2,144 USDSave up to $1,444 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
$2,144 USD