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Round|Natural|GIA

3.50ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 2556837743

Certificate GIA 2556837743

Diamond specifications and retailer prices

From $70,547 NZD
CA$55,223 CAD
As of October 30, 2026
Save $46,012 NZD (39%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $116,560 NZD at MOH London · As of November 1, 2026
View at MOH London

About this 3.5ct natural round diamond

This 3.5ct natural round sits in the three to five carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2556837743. Listed at 15 retailers as of October 30, 2026, with prices from $70,547 to $116,560, a $46,012 spread on the same certified stone. MOH London lists it at $116,560. 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
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 2556837743
Dimensions9.56 × 9.63 × 6.10 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Cloud, Crystal, Feather, Needle
Top View
9.56 mm9.63 mm3.50 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2556837743
Side View
Table 57.0%CrownGirdle: MED-STKPavilion 41.2°Culet: NoneDepth 63.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $116,560 NZD|Low: $58,140 NZD|High: $117,963 NZD|Avg: $77,342 NZD|-0.1%
MOH London
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
November 2, 2026
Retailer 9$58,140 NZD
Retailer 7$61,068 NZD
Retailer 8$64,097 NZD
Retailer 6$70,243 NZD
Retailer 12$70,547 NZD
Retailer 16$71,605 NZD
Retailer 5$73,647 NZD
Retailer 11$74,247 NZD
Retailer 2$75,391 NZD
Retailer 3$78,442 NZD
Retailer 17$78,442 NZD
Retailer 13$79,116 NZD
Retailer 4$81,050 NZD
Retailer 14$85,202 NZD
Retailer 15$87,028 NZD
Retailer 10$88,217 NZD
MOH London$116,560 NZD

33 data points across 17 retailers

15 retailers$70,547 NZD to $116,560 NZD

Retailer 1
-
$58,140 NZD
HK$256,000 HKD
Price last confirmed 54 days ago
B+
Retailer 2
-
$70,547 NZD
CA$55,223 CAD
View
B+
Retailer 3
-
$71,605 NZD
$40,357 USD
View
B
Retailer 4
-
$73,647 NZD
A$63,858 AUD
View
B
Retailer 5
-
$74,247 NZD
$41,846 USD
View
B+
Retailer 6
-
$75,391 NZD
£33,457 GBP
View
Retailer 7
-
$77,743 NZD
$43,816 USD
View
Price last confirmed 35 days ago
B
Retailer 8
-
$78,442 NZD
$44,210 USD
View
B
Retailer 9
-
$78,442 NZD
$44,210 USD
View
B
Retailer 10
-
$79,116 NZD
$44,590 USD
View
B
Retailer 11
-
$81,050 NZD
$45,680 USD
View
B
Retailer 12
-
$85,202 NZD
$48,020 USD
View
B
Retailer 13
-
$87,028 NZD
$49,049 USD
View
B
Retailer 14
-
$88,217 NZD
€47,352 EUR
View
Most Expensive
B
MOH London
3B939C1D8 · Nov 1
$116,560 NZD
£51,727 GBP
View
14 more retailers have this diamond
Prices start from $70,547 NZDSave up to $46,012 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.

B+
3.50ct Round
$70,547 NZD