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Heart|Natural|GIA

1.20ct K SI2 Heart Natural Diamond

EX • K/SI2 • GIA 5231766973

Certificate GIA 5231766973

Diamond specifications and retailer prices

From $2,471 NZD
As of November 5, 2026
Save $3,566 NZD (59%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $6,038 NZD at NZ Jewellers · As of November 3, 2026
View at NZ Jewellers

About this 1.2ct natural heart diamond

This 1.2ct natural heart sits in the classic one-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 5231766973. Listed at 6 retailers as of November 3, 2026, with prices from $2,471 to $6,038, a $3,566 spread on the same certified stone. NZ Jewellers lists it at $6,038. 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

1.20
Carat
K
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle38.91°
Pavilion angle41.33°
OriginNatural
Grading LabGIA
CertificateGIA 5231766973
Dimensions6.35 × 7.26 × 4.50 mm
L/W Ratio1.14
Top View
6.35 mm7.26 mm1.20 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 5231766973
Side View
Table 59.0%Crown 38.91°GirdlePavilion 41.33°CuletDepth 61.9%

Caratlytics Score

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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 5
Current: $6,038 NZD|Low: $2,471 NZD|High: $6,135 NZD|Avg: $3,406 NZD|-1.6%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 4$2,471 NZD
Retailer 5$2,475 NZD
Retailer 2$2,545 NZD
Retailer 6$2,590 NZD
Retailer 7$3,022 NZD
Retailer 8$3,123 NZD
Retailer 9$3,498 NZD
Retailer 3$4,533 NZD
NZ Jewellers$6,038 NZD

27 data points across 9 retailers

6 retailers$2,471 NZD to $6,038 NZD

A
Cheapest Retailer
-
$2,471 NZD
A
Retailer 2
-
$2,475 NZD
View
A
Retailer 3
-
$2,545 NZD
View
A
Retailer 4
-
$2,590 NZD
View
B
Retailer 5
-
$4,533 NZD
View
Most Expensive
B
NZ Jewellers
6ef88574-af0f-459b-a711-ebfd9ecd2e29 · Nov 3
$6,038 NZD
$3,347 USD
View
5 more retailers have this diamond
Prices start from $2,471 NZDSave up to $3,566 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
1.20ct Heart
$2,471 NZD