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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 €48,488 EUR
$54,171 USD
As of October 29, 2026
Save €20,944 EUR (30%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: €69,432 EUR 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 €48,488 to €69,432, a €20,944 spread on the same certified stone. Diamonds Direct lists it at €69,432. 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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: €69,432 EUR|Low: €48,488 EUR|High: €73,330 EUR|Avg: €60,630 EUR|-5.3%
Diamonds Direct
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 29, 2026
Retailer 4€48,488 EUR
Retailer 3€53,748 EUR
Retailer 5€54,789 EUR
Retailer 2€68,840 EUR
Diamonds Direct€69,432 EUR

34 data points across 5 retailers

5 retailers€48,488 EUR to €69,432 EUR

B+
Cheapest Retailer
-
€48,488 EUR
$54,171 USD
B
Retailer 2
-
€53,748 EUR
$60,048 USD
View
Retailer 3
-
€54,789 EUR
$61,211 USD
View
Price last confirmed 8 days ago
Retailer 4
-
€55,959 EUR
$62,518 USD
View
Price last confirmed 37 days ago
Most Expensive
B
Diamonds Direct
1018587 · Oct 29
€69,432 EUR
$77,570 USD
View
4 more retailers have this diamond
Prices start from €48,488 EURSave up to €20,944 EUR

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
€48,488 EUR