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Heart|Natural|GIA

1.51ct L SI1 Heart Natural Diamond

EX • L/SI1 • GIA 6552460287

Certificate GIA 6552460287

Diamond specifications and retailer prices

From $3,270 USD
As of November 5, 2026
Save $2,633 USD (45%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $5,903 USD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6552460287. Listed at 10 retailers as of November 5, 2026, with prices from $3,270 to $5,903, a $2,633 spread on the same certified stone. NZ Jewellers lists it at $5,903. 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
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6552460287
Dimensions7.92 × 7.09 × 4.68 mm
L/W Ratio1.12
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Crystal, Needle
Top View
7.92 mm7.09 mm1.51 ctL / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6552460287
Side View
Table 61.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 59.1%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $5,903 USD|Low: $3,270 USD|High: $5,903 USD|Avg: $3,823 USD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 10$3,270 USD
Retailer 2$3,331 USD
Retailer 6$3,388 USD
Retailer 8$3,388 USD
Retailer 4$3,506 USD
Retailer 9$3,518 USD
Retailer 7$3,909 USD
Retailer 3$3,944 USD
Retailer 5$4,135 USD
NZ Jewellers$5,903 USD

36 data points across 10 retailers

10 retailers$3,270 USD to $5,903 USD

B+
Cheapest Retailer
-
$3,270 USD
B+
Retailer 2
-
$3,331 USD
View
B
Retailer 3
-
$3,388 USD
View
Retailer 4
-
$3,388 USD
View
Price last confirmed 8 days ago
B+
Retailer 5
-
$3,506 USD
View
B
Retailer 6
-
$3,518 USD
View
B
Retailer 7
-
$3,909 USD
View
B
Retailer 8
-
$3,944 USD
View
B
Retailer 9
-
$4,135 USD
View
Most Expensive
C
NZ Jewellers
6452a6dd-8696-44af-952e-602593faa753 · Nov 5
$5,903 USD
View
9 more retailers have this diamond
Prices start from $3,270 USDSave up to $2,633 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.

B+
1.51ct Heart
$3,270 USD