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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 $5,899 NZD
As of November 5, 2026
Save $4,750 NZD (45%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $10,648 NZD 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 $5,899 to $10,648, a $4,750 spread on the same certified stone. NZ Jewellers lists it at $10,648. 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
Colour
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: $10,648 NZD|Low: $5,899 NZD|High: $10,648 NZD|Avg: $6,897 NZD
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$5,899 NZD
Retailer 2$6,009 NZD
Retailer 6$6,112 NZD
Retailer 8$6,112 NZD
Retailer 4$6,324 NZD
Retailer 9$6,346 NZD
Retailer 7$7,051 NZD
Retailer 3$7,115 NZD
Retailer 5$7,459 NZD
NZ Jewellers$10,648 NZD

36 data points across 10 retailers

10 retailers$5,899 NZD to $10,648 NZD

B+
Cheapest Retailer
-
$5,899 NZD
B+
Retailer 2
-
$6,009 NZD
View
B
Retailer 3
-
$6,112 NZD
View
Retailer 4
-
$6,112 NZD
View
Price last confirmed 9 days ago
B+
Retailer 5
-
$6,324 NZD
View
B
Retailer 6
-
$6,346 NZD
View
B
Retailer 7
-
$7,051 NZD
View
B
Retailer 8
-
$7,115 NZD
View
B
Retailer 9
-
$7,459 NZD
View
Most Expensive
C
NZ Jewellers
6452a6dd-8696-44af-952e-602593faa753 · Nov 5
$10,648 NZD
$5,903 USD
View
9 more retailers have this diamond
Prices start from $5,899 NZDSave up to $4,750 NZD

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
$5,899 NZD