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Round|Natural|GIA

3.50ct G SI2 Round Natural Diamond

EX • G/SI2 • GIA 1418916380

Certificate GIA 1418916380

Diamond specifications and retailer prices

From $73,358 NZD
$41,345 USD
As of October 25, 2026
Save $68,787 NZD (48%) vs most expensive(unlock to see where)
28 retailers carry this diamond
Most expensive: $142,145 NZD at Diamond Quarter · As of October 31, 2026
View at Diamond Quarter

About this 3.5ct natural round diamond

This 3.5ct natural round sits in the three to five carat band, graded G colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1418916380. Listed at 28 retailers as of October 25, 2026, with prices from $73,358 to $142,145, a $68,787 spread on the same certified stone. Diamond Quarter lists it at $142,145. 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
G
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle34°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 1418916380
Dimensions9.70 × 9.64 × 6.07 mm
L/W Ratio1.01
Culet sizeNone
Top View
9.70 mm9.64 mm3.50 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1418916380
Side View
Table 58.0%Crown 34°Girdle: ThickPavilion 41.6°Culet: NoneDepth 62.7%

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 25
Current: $87,028 NZD|Low: $70,268 NZD|High: $137,478 NZD|Avg: $91,615 NZD|-1.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 7$73,358 NZD
Retailer 8$79,730 NZD
Retailer 2$80,853 NZD
Retailer 6$84,321 NZD
Retailer 4$85,023 NZD
Retailer 1$87,028 NZD
Retailer 9$90,603 NZD
Retailer 3$105,106 NZD
Retailer 5$136,022 NZD

39 data points across 9 retailers

28 retailers$73,358 NZD to $142,145 NZD

A
Cheapest Retailer
-
$73,358 NZD
$41,345 USD
B+
Retailer 2
-
$76,793 NZD
$43,281 USD
View
B+
Retailer 3
-
$78,823 NZD
$44,425 USD
View
B+
Retailer 4
-
$79,446 NZD
$44,776 USD
View
B+
Retailer 5
-
$79,682 NZD
$44,909 USD
View
B+
Retailer 6
-
$79,730 NZD
$44,936 USD
View
Final sale: no returns
B+
Retailer 7
-
$80,853 NZD
₹4,339,911 INR
View
B+
Retailer 8
-
$84,321 NZD
$47,524 USD
View
B+
Retailer 9
-
$85,023 NZD
$47,919 USD
View
B+
Retailer 10
-
$86,978 NZD
$49,021 USD
View
B+
Retailer 11
-
$87,028 NZD
£38,621 GBP
View
B+
Retailer 12
-
$89,123 NZD
$50,230 USD
View
B+
Retailer 13
-
$89,123 NZD
$50,230 USD
View
B+
Retailer 14
-
$89,178 NZD
$50,261 USD
View
Retailer 15
-
$90,603 NZD
$51,064 USD
View
Price last confirmed 8 days ago
B
Retailer 16
-
$90,603 NZD
$51,064 USD
View
B
Retailer 17
-
$92,104 NZD
$51,910 USD
View
B
Retailer 18
-
$93,033 NZD
$52,434 USD
View
Retailer 19
-
$93,697 NZD
$52,808 USD
View
Price last confirmed 63 days ago
Retailer 20
-
$94,226 NZD
$53,106 USD
View
Price last confirmed 50 days ago
B
Retailer 21
-
$94,226 NZD
$53,106 USD
View
Retailer 22
-
$97,700 NZD
$55,064 USD
View
Price last confirmed 9 days ago
Retailer 23
-
$97,851 NZD
$55,149 USD
View
Price last confirmed 55 days ago
Retailer 24
-
$97,851 NZD
$55,149 USD
View
Price last confirmed 9 days ago
Retailer 25
-
$100,481 NZD
$56,632 USD
View
Price last confirmed 8 days ago
B
Retailer 26
-
$105,106 NZD
€56,417 EUR
View
B
Retailer 27
-
$136,022 NZD
£60,364 GBP
View
Most Expensive
B
Diamond Quarter
3.5SI2G148010CCN · Oct 31
$142,145 NZD
£63,081 GBP
View
27 more retailers have this diamond
Prices start from $73,358 NZDSave up to $68,787 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 Round
$73,358 NZD