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Round|Natural|GIA

3.50ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 6552698078

Certificate GIA 6552698078

Diamond specifications and retailer prices

From $60,713 NZD
$34,160 USD
As of October 31, 2026
Save $40,592 NZD (40%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $101,304 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 6552698078. Listed at 10 retailers as of October 31, 2026, with prices from $60,713 to $101,304, a $40,592 spread on the same certified stone. MOH London lists it at $101,304. 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
Crown angle35.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 6552698078
Dimensions9.60 × 9.66 × 6.05 mm
L/W Ratio1.01
Girdle conditionSlightly Thick
Key to symbols
Crystal, Cloud, Needle
Top View
9.60 mm9.66 mm3.50 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6552698078
Side View
Table 58.0%Crown 35.5°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.8%

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 31
Current: $101,304 NZD|Low: $60,713 NZD|High: $104,604 NZD|Avg: $75,872 NZD|-2.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 8$60,713 NZD
Retailer 6$64,736 NZD
Retailer 10$64,994 NZD
Retailer 9$67,568 NZD
Retailer 7$69,439 NZD
Retailer 4$74,583 NZD
Retailer 5$77,565 NZD
Retailer 2$78,745 NZD
Retailer 3$89,807 NZD
MOH London$101,304 NZD

35 data points across 10 retailers

10 retailers$60,713 NZD to $101,304 NZD

A
Cheapest Retailer
-
$60,713 NZD
$34,160 USD
B+
Retailer 2
-
$64,736 NZD
$36,424 USD
View
Retailer 3
-
$64,994 NZD
A$56,260 AUD
View
Price last confirmed 29 days ago
B+
Retailer 4
-
$67,568 NZD
$38,017 USD
View
B+
Retailer 5
-
$69,439 NZD
$39,070 USD
View
B
Retailer 6
-
$74,583 NZD
$41,964 USD
View
B
Retailer 7
-
$77,565 NZD
$43,642 USD
View
B
Retailer 8
-
$78,745 NZD
£34,887 GBP
View
B
Retailer 9
-
$89,807 NZD
$50,530 USD
View
Most Expensive
B
MOH London
9BC1B674E · Nov 1
$101,304 NZD
£44,881 GBP
View
9 more retailers have this diamond
Prices start from $60,713 NZDSave up to $40,592 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
$60,713 NZD