Round|Natural|GIA

3.50ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 2221820466

Certificate GIA 2221820466

Diamond specifications and retailer prices

From $45,027 USD
As of October 30, 2026
Save $33,061 USD (42%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $78,088 USD 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 I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2221820466. Listed at 20 retailers as of October 29, 2026, with prices from $45,027 to $78,088, a $33,061 spread on the same certified stone. MOH London lists it at $78,088. 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
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 2221820466
Dimensions9.75 × 9.69 × 5.96 mm
L/W Ratio1.01
Culet sizeNone
Top View
9.75 mm9.69 mm3.50 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2221820466
Side View
Table 60.0%Crown 33.5°Girdle: ThickPavilion 41.4°Culet: NoneDepth 61.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $78,088 USD|Low: $42,525 USD|High: $78,608 USD|Avg: $53,963 USD|-0.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 31, 2026
Retailer 6$42,525 USD
Retailer 8$45,071 USD
Retailer 3$45,162 USD
Retailer 7$47,611 USD
Retailer 2$49,764 USD
Retailer 9$51,806 USD
Retailer 4$58,655 USD
Retailer 5$64,130 USD
MOH London$78,088 USD

35 data points across 9 retailers

20 retailers$45,027 USD to $78,088 USD

Retailer 1
-
$42,525 USD
Price last confirmed 13 days ago
B+
Retailer 2
-
$45,027 USD
View
B+
Retailer 3
-
$45,071 USD
View
B+
Retailer 4
-
$45,162 USD
₹4,301,171 INR
View
B+
Retailer 5
-
$46,577 USD
CA$64,690 CAD
View
Retailer 6
-
$47,611 USD
A$73,247 AUD
View
Price last confirmed 27 days ago
B
Retailer 7
-
$48,170 USD
View
B
Retailer 8
-
$49,734 USD
View
B+
Retailer 9
-
$49,764 USD
£39,184 GBP
View
B
Retailer 10
-
$51,650 USD
View
B
Retailer 11
-
$51,650 USD
View
B
Retailer 12
-
$51,806 USD
View
B
Retailer 13
-
$51,806 USD
View
B
Retailer 14
-
$53,370 USD
View
B
Retailer 15
-
$53,878 USD
View
B
Retailer 16
-
$55,950 USD
View
B
Retailer 17
-
$56,252 USD
View
B
Retailer 18
-
$58,655 USD
€55,862 EUR
View
B
Retailer 19
-
$64,130 USD
ZAR 1,036,030 ZAR
View
Most Expensive
B
MOH London
2C4CE80FA · Oct 29
$78,088 USD
£61,487 GBP
View
19 more retailers have this diamond
Prices start from $45,027 USDSave up to $33,061 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.

B+
3.50ct Round
$45,027 USD