Radiant|Natural|GIA

3.50ct D SI1 Radiant Natural Diamond

EX • D/SI1 • GIA 6425721012

Certificate GIA 6425721012

Diamond specifications and retailer prices

From $44,791 USD
CA$62,210 CAD
As of October 30, 2026
Save $29,178 USD (39%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $73,970 USD at MOH London · As of November 1, 2026
View at MOH London

About this 3.5ct natural radiant diamond

This 3.5ct natural radiant sits in the three to five carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6425721012. Listed at 13 retailers as of October 30, 2026, with prices from $44,791 to $73,970, a $29,178 spread on the same certified stone. MOH London lists it at $73,970. 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
D
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6425721012
Dimensions9.95 × 7.78 × 4.99 mm
L/W Ratio1.28
Top View
9.95 mm7.78 mm3.50 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6425721012
Side View
Table 68.0%CrownGirdle: Very Thick-ThickPavilionCulet: NoneDepth 64.1%

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: $73,970 USD|Low: $44,791 USD|High: $74,860 USD|Avg: $52,086 USD|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 2, 2026
Retailer 11$44,791 USD
Retailer 7$45,463 USD
Retailer 3$47,770 USD
Retailer 6$48,234 USD
Retailer 9$49,336 USD
Retailer 4$49,700 USD
Retailer 12$49,700 USD
Retailer 8$50,232 USD
Retailer 5$51,360 USD
Retailer 13$54,096 USD
Retailer 10$55,255 USD
Retailer 2$56,186 USD
MOH London$73,970 USD

42 data points across 13 retailers

13 retailers$44,791 USD to $73,970 USD

A
Cheapest Retailer
-
$44,791 USD
CA$62,210 CAD
A
Retailer 2
-
$45,463 USD
View
A
Retailer 3
-
$47,770 USD
View
A
Retailer 4
-
$48,234 USD
£37,979 GBP
View
B+
Retailer 5
-
$49,336 USD
View
B+
Retailer 6
-
$49,700 USD
View
B+
Retailer 7
-
$49,700 USD
View
B+
Retailer 8
-
$50,232 USD
View
B+
Retailer 9
-
$51,360 USD
View
B+
Retailer 10
-
$54,096 USD
View
B+
Retailer 11
-
$55,255 USD
View
B+
Retailer 12
-
$56,186 USD
€53,510 EUR
View
Most Expensive
B
MOH London
AA5E6B238 · Nov 1
$73,970 USD
£58,244 GBP
View
12 more retailers have this diamond
Prices start from $44,791 USDSave up to $29,178 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
3.50ct Radiant
$44,791 USD