Radiant|Natural|GIA

3.51ct D SI1 Radiant Natural Diamond

D/SI1 • GIA 01-14002251

Certificate GIA 01-14002251

Diamond specifications and retailer prices

From $54,171 USD
As of October 29, 2026
Save $23,399 USD (30%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $77,570 USD at Diamonds Direct · As of October 29, 2026
View at Diamonds Direct

About this 3.51ct natural radiant diamond

This 3.51ct natural radiant sits in the three to five carat band, graded D colour (colourless) and SI1 clarity (slightly-included) and certified by GIA 01-14002251. Listed at 5 retailers as of October 29, 2026, with prices from $54,171 to $77,570, a $23,399 spread on the same certified stone. Diamonds Direct lists it at $77,570. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

3.51
Carat
D
Color
SI1
Clarity
-
Cut

Specifications

Cut
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 01-14002251
Dimensions10.52 × 7.51 × 5.02 mm
L/W Ratio1.40
Top View
10.52 mm7.51 mm3.51 ctD / SI1
OriginNatural
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 01-14002251
Side View
Table 67.0%CrownGirdlePavilionCuletDepth 66.9%

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 29
Current: $77,570 USD|Low: $54,171 USD|High: $81,925 USD|Avg: $67,736 USD|-5.3%
Diamonds Direct
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 29, 2026
Retailer 4$54,171 USD
Retailer 3$60,048 USD
Retailer 5$61,211 USD
Retailer 2$76,909 USD
Diamonds Direct$77,570 USD

34 data points across 5 retailers

5 retailers$54,171 USD to $77,570 USD

B+
Cheapest Retailer
-
$54,171 USD
B
Retailer 2
-
$60,048 USD
View
Retailer 3
-
$61,211 USD
View
Price last confirmed 9 days ago
Retailer 4
-
$62,518 USD
View
Price last confirmed 38 days ago
Most Expensive
B
Diamonds Direct
1018587 · Oct 29
$77,570 USD
View
4 more retailers have this diamond
Prices start from $54,171 USDSave up to $23,399 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+
3.51ct Radiant
$54,171 USD