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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 $48,630 AUD
$34,160 USD
As of October 31, 2026
Save $32,513 AUD (40%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $81,144 AUD 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 $48,630 to $81,144, a $32,513 spread on the same certified stone. MOH London lists it at $81,144. 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: $81,144 AUD|Low: $48,630 AUD|High: $83,787 AUD|Avg: $60,797 AUD|-2.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 8$48,630 AUD
Retailer 6$51,853 AUD
Retailer 10$52,059 AUD
Retailer 9$54,121 AUD
Retailer 7$55,620 AUD
Retailer 4$59,740 AUD
Retailer 5$62,129 AUD
Retailer 2$63,079 AUD
Retailer 3$71,935 AUD
MOH London$81,144 AUD

34 data points across 10 retailers

10 retailers$48,630 AUD to $81,144 AUD

A
Cheapest Retailer
-
$48,630 AUD
$34,160 USD
B+
Retailer 2
-
$51,853 AUD
$36,424 USD
View
Retailer 3
-
$52,059 AUD
View
Price last confirmed 28 days ago
B+
Retailer 4
-
$54,121 AUD
$38,017 USD
View
B+
Retailer 5
-
$55,620 AUD
$39,070 USD
View
B
Retailer 6
-
$59,740 AUD
$41,964 USD
View
B
Retailer 7
-
$62,129 AUD
$43,642 USD
View
B
Retailer 8
-
$63,079 AUD
£34,889 GBP
View
B
Retailer 9
-
$71,935 AUD
$50,530 USD
View
Most Expensive
B
MOH London
9BC1B674E · Nov 1
$81,144 AUD
£44,881 GBP
View
9 more retailers have this diamond
Prices start from $48,630 AUDSave up to $32,513 AUD

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
$48,630 AUD