Heart|Natural|GIA

1.20ct I SI2 Heart Natural Diamond

EX • I/SI2 • GIA 3555316314

Certificate GIA 3555316314

Diamond specifications and retailer prices

From $3,303 NZD
As of November 6, 2026
Save $5,581 NZD (63%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $8,884 NZD at NZ Jewellers · As of November 5, 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 I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 3555316314. Listed at 16 retailers as of November 5, 2026, with prices from $3,303 to $8,884, a $5,581 spread on the same certified stone. NZ Jewellers lists it at $8,884. 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
I
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 3555316314
Dimensions7.22 × 6.62 × 4.08 mm
L/W Ratio1.09
Culet sizeNone
Key to symbols
Twinning Wisp, Feather, Crystal, Knot
Top View
7.22 mm6.62 mm1.20 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 3555316314
Side View
Table 62.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 56.5%

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 6
Current: $8,884 NZD|Low: $2,933 NZD|High: $8,884 NZD|Avg: $4,580 NZD|+1.0%
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
Retailer 16
Retailer 17
Retailer 18
November 6, 2026
Retailer 17$3,303 NZD
Retailer 7$3,319 NZD
Retailer 6$3,519 NZD
Retailer 13$3,850 NZD
Retailer 15$3,850 NZD
Retailer 8$4,023 NZD
Retailer 14$4,028 NZD
Retailer 10$4,144 NZD
Retailer 2$4,178 NZD
Retailer 9$4,180 NZD
Retailer 3$4,219 NZD
Retailer 16$4,443 NZD
Retailer 4$4,456 NZD
Retailer 18$4,456 NZD
Retailer 5$4,600 NZD
Retailer 11$5,276 NZD
Retailer 12$7,425 NZD
NZ Jewellers$8,884 NZD

35 data points across 18 retailers

16 retailers$3,303 NZD to $8,884 NZD

A
Cheapest Retailer
-
$3,303 NZD
A
Retailer 2
-
$3,319 NZD
View
A
Retailer 3
-
$3,519 NZD
View
Final sale: no returns
A
Retailer 4
-
$3,850 NZD
View
B+
Retailer 5
-
$4,023 NZD
View
B+
Retailer 6
-
$4,028 NZD
View
B+
Retailer 7
-
$4,178 NZD
View
B+
Retailer 8
-
$4,219 NZD
View
Retailer 9
-
$4,400 NZD
View
Price last confirmed 28 days ago
B+
Retailer 10
-
$4,443 NZD
View
B+
Retailer 11
-
$4,456 NZD
View
B+
Retailer 12
-
$4,456 NZD
View
B+
Retailer 13
-
$4,600 NZD
View
B+
Retailer 14
-
$5,276 NZD
View
B
Retailer 15
-
$7,425 NZD
View
Most Expensive
B
NZ Jewellers
41363c63-d7cb-4118-9854-3b008e5c6224 · Nov 5
$8,884 NZD
$4,925 USD
View
15 more retailers have this diamond
Prices start from $3,303 NZDSave up to $5,581 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
$3,303 NZD