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Heart|Natural|GIA

1.51ct L SI2 Heart Natural Diamond

VG • L/SI2 • GIA 1475510321

Certificate GIA 1475510321

Diamond specifications and retailer prices

From $1,900 USD
As of November 6, 2026
Save $645 USD (25%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $2,545 USD at Ritani · As of November 6, 2026
View at Ritani

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 very-good cut grade stated by the retailer rather than the lab and certified by GIA 1475510321. Listed at 5 retailers as of November 6, 2026, with prices from $1,900 to $2,545, a $645 spread on the same certified stone. Ritani lists it at $2,545. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.51
Carat
L
Color
SI2
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.6°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 1475510321
Dimensions7.91 × 6.67 × 4.06 mm
L/W Ratio1.19
Key to symbols
Crystal, Feather, Needle
Top View
7.91 mm6.67 mm1.51 ctL / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1475510321
Side View
Table 56.0%Crown 37.6°Girdle: STK-VTKPavilion 41.2°Culet: NoneDepth 60.8%

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: $2,285 USD|Low: $1,900 USD|High: $2,701 USD|Avg: $2,260 USD|+0.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Ritani
November 6, 2026
Retailer 2$1,900 USD
Retailer 4$2,134 USD
Retailer 3$2,241 USD
Retailer 6$2,254 USD
Retailer 1$2,285 USD
Ritani$2,545 USD
Retailer 5$2,701 USD

41 data points across 7 retailers

5 retailers$1,900 USD to $2,545 USD

A
Cheapest Retailer
-
$1,900 USD
B+
Retailer 2
-
$2,241 USD
View
B+
Retailer 3
-
$2,285 USD
View
Retailer 4
-
$2,506 USD
View
Price last confirmed 61 days ago
Most Expensive
B
Ritani
D-6ERDY65PV5 · Nov 6
$2,545 USD
View
4 more retailers have this diamond
Prices start from $1,900 USDSave up to $645 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
$1,900 USD