Round|Natural|GIA

3.40ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 6552040789

Certificate GIA 6552040789

Diamond specifications and retailer prices

From $43,677 AUD
$30,681 USD
As of October 31, 2026
Save $32,425 AUD (43%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $76,103 AUD at MOH London · As of November 1, 2026
View at MOH London

About this 3.4ct natural round diamond

This 3.4ct 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 6552040789. Listed at 16 retailers as of October 31, 2026, with prices from $43,677 to $76,103, a $32,425 spread on the same certified stone. MOH London lists it at $76,103. 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

3.40
Carat
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6552040789
Dimensions9.57 × 9.55 × 5.96 mm
L/W Ratio1.00
Top View
9.57 mm9.55 mm3.40 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6552040789
Side View
Table 58.0%CrownGirdlePavilionCulet: NoneDepth 62.3%

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: $76,103 AUD|Low: $47,300 AUD|High: $77,021 AUD|Avg: $57,673 AUD|-1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 1, 2026
Retailer 7$48,259 AUD
Retailer 4$48,706 AUD
Retailer 6$48,730 AUD
Retailer 2$58,863 AUD
Retailer 3$59,161 AUD
Retailer 5$63,171 AUD
MOH London$76,103 AUD

36 data points across 7 retailers

16 retailers$43,677 AUD to $76,103 AUD

A
Cheapest Retailer
-
$43,677 AUD
$30,681 USD
A
Retailer 2
-
$44,365 AUD
$31,164 USD
View
B+
Retailer 3
-
$47,313 AUD
$33,235 USD
View
Retailer 4
-
$48,259 AUD
View
Price last confirmed 28 days ago
B+
Retailer 5
-
$48,706 AUD
£26,940 GBP
View
B+
Retailer 6
-
$48,730 AUD
$34,230 USD
View
Retailer 7
-
$48,730 AUD
$34,230 USD
View
Price last confirmed 24 days ago
Retailer 8
-
$50,760 AUD
$35,656 USD
View
Price last confirmed 35 days ago
Retailer 9
-
$51,166 AUD
$35,941 USD
View
Price last confirmed 33 days ago
B+
Retailer 10
-
$52,105 AUD
$36,601 USD
View
Retailer 11
-
$52,790 AUD
$37,082 USD
View
Price last confirmed 33 days ago
Retailer 12
-
$54,820 AUD
$38,508 USD
View
Price last confirmed 33 days ago
B
Retailer 13
-
$58,863 AUD
€39,379 EUR
View
B
Retailer 14
-
$59,161 AUD
£32,722 GBP
View
B
Retailer 15
-
$63,171 AUD
ZAR 716,863 ZAR
View
Most Expensive
B
MOH London
D18FDFF50 · Nov 1
$76,103 AUD
£42,093 GBP
View
15 more retailers have this diamond
Prices start from $43,677 AUDSave up to $32,425 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
3.40ct Round
$43,677 AUD