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Heart|Natural|GIA

3.50ct D SI2 Heart Natural Diamond

EX • D/SI2 • GIA 1555407330

Certificate GIA 1555407330

Diamond specifications and retailer prices

From $51,282 NZD
HK$225,800 HKD
As of October 30, 2026
Save $21,923 NZD (30%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $73,204 NZD at Ritani · As of October 29, 2026
View at Ritani

About this 3.5ct natural heart diamond

This 3.5ct natural heart sits in the three to five carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1555407330. Listed at 7 retailers as of October 29, 2026, with prices from $51,282 to $73,204, a $21,923 spread on the same certified stone. Ritani lists it at $73,204. 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

3.50
Carat
D
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.14°
Pavilion angle44.6°
OriginNatural
Grading LabGIA
CertificateGIA 1555407330
Dimensions8.81 × 10.37 × 6.42 mm
L/W Ratio1.18
Culet sizeNone
Key to symbols
Crystal, Cloud, Needle
Top View
8.81 mm10.37 mm3.50 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1555407330
Side View
Table 60.0%Crown 38.14°Girdle: MED-THKPavilion 44.6°Culet: NoneDepth 61.9%

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: Oct 30
Current: $60,337 NZD|Low: $51,282 NZD|High: $74,366 NZD|Avg: $62,104 NZD|-2.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Ritani
October 30, 2026
Retailer 5$51,282 NZD
Retailer 4$57,344 NZD
Retailer 2$60,012 NZD
Retailer 1$60,337 NZD
Retailer 6$60,468 NZD
Retailer 3$64,622 NZD
Ritani$73,204 NZD

36 data points across 7 retailers

7 retailers$51,282 NZD to $73,204 NZD

A
Cheapest Retailer
-
$51,282 NZD
HK$225,800 HKD
A
Retailer 2
-
$57,344 NZD
SGD 43,675 SGD
View
A
Retailer 3
-
$60,012 NZD
$33,823 USD
View
Final sale: no returns
A
Retailer 4
-
$60,337 NZD
£26,776 GBP
View
A
Retailer 5
-
$60,468 NZD
$34,080 USD
View
B+
Retailer 6
-
$64,622 NZD
$36,421 USD
View
Most Expensive
B+
Ritani
D-5MEIHR9L2A · Oct 29
$73,204 NZD
$41,258 USD
View
6 more retailers have this diamond
Prices start from $51,282 NZDSave up to $21,923 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
3.50ct Heart
$51,282 NZD