Round|Natural|GIA

3.50ct G SI2 Round Natural Diamond

EX • G/SI2

Diamond specifications and retailer prices

From $40,243 USD
CA$55,894 CAD
As of October 30, 2026
Save $11,152 USD (22%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $51,396 USD at Moon Ocean · As of October 30, 2026
View at Moon Ocean

About this 3.5ct natural round diamond

This 3.5ct natural round sits in the three to five carat band, graded G colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA. Listed at 12 retailers as of October 30, 2026, with prices from $40,243 to $51,396, a $11,152 spread on the same certified stone. Moon Ocean lists it at $51,396. 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
G
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
Dimensions9.61 × 9.66 × 6.00 mm
L/W Ratio1.01
Top View
9.61 mm9.66 mm3.50 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA
Side View
Table 58.0%CrownGirdle: Slightly ThickPavilionCulet: NoneDepth 62.3%

Caratlytics Score

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

Price History

Last verified: Oct 30
Current: $51,396 USD|Low: $40,243 USD|High: $53,198 USD|Avg: $45,929 USD|-1.3%
Moon Ocean
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 2$40,243 USD
Retailer 3$41,662 USD
Retailer 9$41,768 USD
Retailer 4$43,398 USD
Retailer 8$43,398 USD
Retailer 6$45,131 USD
Retailer 5$45,134 USD
Retailer 10$46,870 USD
Retailer 7$48,603 USD
Moon Ocean$51,396 USD

31 data points across 10 retailers

12 retailers$40,243 USD to $51,396 USD

B+
Cheapest Retailer
-
$40,243 USD
CA$55,894 CAD
B+
Retailer 2
-
$41,662 USD
View
B+
Retailer 3
-
$41,768 USD
View
B+
Retailer 4
-
$43,398 USD
View
B+
Retailer 5
-
$43,398 USD
View
Retailer 6
-
$44,446 USD
View
Price last confirmed 27 days ago
B+
Retailer 7
-
$45,131 USD
View
B+
Retailer 8
-
$45,134 USD
View
B+
Retailer 9
-
$46,870 USD
View
Retailer 10
-
$48,001 USD
View
Price last confirmed 28 days ago
B
Retailer 11
-
$48,603 USD
View
Most Expensive
B
Moon Ocean
NVN-E1183CDBF-236 · Oct 30
$51,396 USD
£40,469 GBP
View
11 more retailers have this diamond
Prices start from $40,243 USDSave up to $11,152 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
$40,243 USD