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Heart|Natural|GIA

1.51ct K SI2 Heart Natural Diamond

EX • K/SI2 • GIA 1565167954

Certificate GIA 1565167954

Diamond specifications and retailer prices

From $3,099 NZD
As of November 4, 2026
Save $4,650 NZD (60%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $7,750 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 K 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 1565167954. Listed at 15 retailers as of November 4, 2026, with prices from $3,099 to $7,750, a $4,650 spread on the same certified stone. NZ Jewellers lists it at $7,750. 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
K
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1565167954
Dimensions6.95 × 7.86 × 4.67 mm
L/W Ratio1.13
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Indented Natural
Top View
6.95 mm7.86 mm1.51 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1565167954
Side View
Table 60.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 59.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $7,750 NZD|Low: $3,079 NZD|High: $8,038 NZD|Avg: $4,069 NZD|-3.6%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
November 6, 2026
Retailer 5$3,099 NZD
Retailer 4$3,310 NZD
Retailer 3$3,357 NZD
Retailer 14$3,357 NZD
Retailer 7$3,429 NZD
Retailer 12$3,435 NZD
Retailer 13$3,476 NZD
Retailer 15$3,512 NZD
Retailer 8$3,693 NZD
Retailer 2$3,765 NZD
Retailer 10$3,868 NZD
Retailer 6$3,875 NZD
Retailer 9$4,026 NZD
Retailer 11$6,476 NZD
NZ Jewellers$7,750 NZD

25 data points across 15 retailers

15 retailers$3,099 NZD to $7,750 NZD

A
Cheapest Retailer
-
$3,099 NZD
Final sale: no returns
A
Retailer 2
-
$3,310 NZD
View
A
Retailer 3
-
$3,357 NZD
View
Retailer 4
-
$3,357 NZD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$3,429 NZD
View
A
Retailer 6
-
$3,435 NZD
View
A
Retailer 7
-
$3,476 NZD
View
A
Retailer 8
-
$3,512 NZD
View
A
Retailer 9
-
$3,693 NZD
View
A
Retailer 10
-
$3,765 NZD
View
A
Retailer 11
-
$3,868 NZD
View
A
Retailer 12
-
$3,875 NZD
View
A
Retailer 13
-
$4,026 NZD
View
B+
Retailer 14
-
$6,476 NZD
View
Most Expensive
B+
NZ Jewellers
51c9b586-48e3-43bf-b868-bb551dea9293 · Nov 5
$7,750 NZD
$4,296 USD
View
14 more retailers have this diamond
Prices start from $3,099 NZDSave up to $4,650 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.

A
1.51ct Heart
$3,099 NZD