Round|Natural|GIA

3.99ct E SI2 Round Natural Diamond

EX • E/SI2 • GIA 6221251339

Certificate GIA 6221251339

Diamond specifications and retailer prices

From $98,973 CAD
$70,715 USD
As of October 29, 2026
Save $31,147 CAD (24%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $173,681 CAD at MOH London · As of October 8, 2026
View at MOH London

About this 3.99ct natural round diamond

This 3.99ct natural round sits in the three to five carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6221251339. Listed at 19 retailers as of October 29, 2026, with a 31% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

3.99
Carat
E
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6221251339
Dimensions10.32 × 10.29 × 6.19 mm
L/W Ratio1.00
Top View
10.32 mm10.29 mm3.99 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6221251339
Side View
Table 58.0%CrownGirdle: MediumPavilionCulet: NoneDepth 60.2%

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 29
Current: $173,681 CAD|Low: $98,048 CAD|High: $174,141 CAD|Avg: $117,979 CAD|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 30, 2026
Retailer 5$99,473 CAD
Retailer 4$100,161 CAD
Retailer 8$100,994 CAD
Retailer 7$104,872 CAD
Retailer 9$117,877 CAD
Retailer 2$118,554 CAD
Retailer 6$122,557 CAD
Retailer 3$130,120 CAD
MOH London$173,681 CAD

37 data points across 9 retailers

19 retailers$98,973 CAD to $130,120 CAD

B+
Cheapest Retailer
-
$98,973 CAD
$70,715 USD
B+
Retailer 2
-
$99,473 CAD
$71,073 USD
View
Retailer 3
-
$99,845 CAD
$71,338 USD
View
Price last confirmed 24 days ago
B+
Retailer 4
-
$100,161 CAD
₹6,815,644 INR
View
B+
Retailer 5
-
$104,286 CAD
$74,511 USD
View
B+
Retailer 6
-
$104,872 CAD
$74,930 USD
View
Retailer 7
-
$110,175 CAD
$78,719 USD
View
Price last confirmed 22 days ago
B
Retailer 8
-
$113,494 CAD
$81,090 USD
View
B
Retailer 9
-
$113,494 CAD
$81,090 USD
View
Retailer 10
-
$114,766 CAD
$81,999 USD
View
Price last confirmed 33 days ago
Retailer 11
-
$114,766 CAD
$81,999 USD
View
Price last confirmed 30 days ago
B
Retailer 12
-
$117,272 CAD
$83,790 USD
View
Retailer 13
-
$117,877 CAD
$84,222 USD
View
Price last confirmed 23 days ago
B
Retailer 14
-
$118,554 CAD
£66,697 GBP
View
Retailer 15
-
$119,356 CAD
$85,279 USD
View
Price last confirmed 22 days ago
B
Retailer 16
-
$122,557 CAD
$87,566 USD
View
Retailer 17
-
$123,947 CAD
$88,559 USD
View
Price last confirmed 30 days ago
B
Retailer 18
-
$130,120 CAD
€88,542 EUR
View
Most Expensive
MOH London
7A1AA332B · Oct 8
$173,681 CAD
£97,711 GBP
View
Price last confirmed 22 days ago
18 more retailers have this diamond
Prices start from $98,973 CADSave up to $31,147 CAD

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+
3.99ct Round
$98,973 CAD