Round|Natural|GIA

3.40ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 6552040789

Certificate GIA 6552040789

Diamond specifications and retailer prices

From $30,681 USD
As of October 30, 2026
Save $23,064 USD (43%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $53,745 USD at MOH London · As of October 29, 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 29, 2026, with prices from $30,681 to $53,745, a $23,064 spread on the same certified stone. MOH London lists it at $53,745. 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
Color
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 30
Current: $53,745 USD|Low: $30,681 USD|High: $54,103 USD|Avg: $39,211 USD|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 30, 2026
Retailer 8$30,681 USD
Retailer 7$33,899 USD
Retailer 4$34,213 USD
Retailer 6$34,230 USD
Retailer 2$41,534 USD
Retailer 3$41,682 USD
Retailer 5$44,138 USD
MOH London$53,745 USD

37 data points across 8 retailers

16 retailers$30,681 USD to $53,745 USD

A
Cheapest Retailer
-
$30,681 USD
A
Retailer 2
-
$31,164 USD
View
B+
Retailer 3
-
$33,235 USD
View
Retailer 4
-
$33,899 USD
A$52,153 AUD
View
Price last confirmed 27 days ago
B+
Retailer 5
-
$34,213 USD
£26,939 GBP
View
B+
Retailer 6
-
$34,230 USD
View
Retailer 7
-
$34,230 USD
View
Price last confirmed 23 days ago
Retailer 8
-
$35,656 USD
View
Price last confirmed 34 days ago
Retailer 9
-
$35,941 USD
View
Price last confirmed 31 days ago
B+
Retailer 10
-
$36,601 USD
View
Retailer 11
-
$37,082 USD
View
Price last confirmed 32 days ago
Retailer 12
-
$38,508 USD
View
Price last confirmed 32 days ago
B
Retailer 13
-
$41,534 USD
€39,556 EUR
View
B
Retailer 14
-
$41,682 USD
£32,820 GBP
View
B+
Retailer 15
-
$44,138 USD
ZAR 713,052 ZAR
View
Most Expensive
B
MOH London
D18FDFF50 · Oct 29
$53,745 USD
£42,319 GBP
View
15 more retailers have this diamond
Prices start from $30,681 USDSave up to $23,064 USD

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
$30,681 USD