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Round|Natural|GIA

3.50ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 5566048450

Certificate GIA 5566048450

Diamond specifications and retailer prices

From $64,744 AUD
$45,479 USD
As of October 31, 2026
Save $44,491 AUD (41%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $109,236 AUD at MOH London · As of October 29, 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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 5566048450. Listed at 14 retailers as of October 29, 2026, with prices from $64,744 to $109,236, a $44,491 spread on the same certified stone. MOH London lists it at $109,236. 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
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle36.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 5566048450
Dimensions9.54 × 9.60 × 6.10 mm
L/W Ratio1.01
Key to symbols
Crystal, Twinning Wisp, Feather, Indented Natural, Cloud, Needle
Top View
9.54 mm9.60 mm3.50 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 5566048450
Side View
Table 56.0%Crown 36.5°Girdle: ThinPavilion 41°Culet: NoneDepth 63.8%

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: $109,236 AUD|Low: $58,852 AUD|High: $109,964 AUD|Avg: $72,469 AUD|+7.1%
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
October 31, 2026
Retailer 8$58,852 AUD
Retailer 3$59,124 AUD
Retailer 9$62,092 AUD
Retailer 7$62,475 AUD
Retailer 16$63,222 AUD
Retailer 4$64,744 AUD
Retailer 14$65,151 AUD
Retailer 12$68,007 AUD
Retailer 2$69,611 AUD
Retailer 17$69,980 AUD
Retailer 15$72,471 AUD
Retailer 6$72,671 AUD
Retailer 5$78,685 AUD
Retailer 11$80,338 AUD
Retailer 13$88,922 AUD
Retailer 10$94,685 AUD
MOH London$109,236 AUD

38 data points across 17 retailers

14 retailers$64,744 AUD to $109,236 AUD

Retailer 1
-
$59,124 AUD
$41,531 USD
Price last confirmed 21 days ago
Retailer 2
-
$62,475 AUD
View
Price last confirmed 27 days ago
A
Retailer 3
-
$64,744 AUD
$45,479 USD
View
A
Retailer 4
-
$65,151 AUD
CA$63,563 CAD
View
A
Retailer 5
-
$68,007 AUD
$47,771 USD
View
B+
Retailer 6
-
$69,611 AUD
£38,502 GBP
View
Retailer 7
-
$69,980 AUD
$49,157 USD
View
Price last confirmed 21 days ago
B+
Retailer 8
-
$72,471 AUD
$50,907 USD
View
Retailer 9
-
$72,671 AUD
$51,047 USD
View
Price last confirmed 22 days ago
B+
Retailer 10
-
$78,685 AUD
$55,272 USD
View
B+
Retailer 11
-
$80,338 AUD
€53,746 EUR
View
Retailer 12
-
$88,922 AUD
ZAR 1,009,089 ZAR
View
Price last confirmed 13 days ago
B
Retailer 13
-
$94,685 AUD
£52,371 GBP
View
Most Expensive
B
MOH London
0E68D16D1 · Oct 29
$109,236 AUD
£60,419 GBP
View
13 more retailers have this diamond
Prices start from $64,744 AUDSave up to $44,491 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
$64,744 AUD