Radiant|Natural|GIA

3.51ct D SI1 Radiant Natural Diamond

ID • D/SI1 • GIA 6562153103

Certificate GIA 6562153103

Diamond specifications and retailer prices

From $42,200 USD
As of October 31, 2026
Save $28,336 USD (40%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $70,536 USD at MOH London · As of November 1, 2026
View at MOH London

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), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6562153103. Listed at 8 retailers as of October 31, 2026, with prices from $42,200 to $70,536, a $28,336 spread on the same certified stone. MOH London lists it at $70,536. 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

3.51
Carat
D
Color
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceStrong
Crown angle51.77°
Pavilion angle35.09°
OriginNatural
Grading LabGIA
CertificateGIA 6562153103
Dimensions10.55 × 7.42 × 5.03 mm
L/W Ratio1.42
Girdle conditionThick
Key to symbols
Crystal, Feather
Top View
10.55 mm7.42 mm3.51 ctD / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceStrong
CertificateGIA 6562153103
Side View
Table 72.0%Crown 51.77°Girdle: SLI-POLPavilion 35.09°Culet: NoneDepth 67.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $70,536 USD|Low: $42,200 USD|High: $72,835 USD|Avg: $52,307 USD|-2.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 7$42,200 USD
Retailer 8$43,689 USD
Retailer 5$47,046 USD
Retailer 6$48,285 USD
Retailer 3$51,930 USD
Retailer 4$54,007 USD
Retailer 2$59,133 USD
MOH London$70,536 USD

38 data points across 8 retailers

8 retailers$42,200 USD to $70,536 USD

A
Cheapest Retailer
-
$42,200 USD
Retailer 2
-
$43,689 USD
A$67,214 AUD
View
Price last confirmed 28 days ago
A
Retailer 3
-
$47,046 USD
View
B+
Retailer 4
-
$48,285 USD
View
B+
Retailer 5
-
$51,930 USD
View
B+
Retailer 6
-
$54,007 USD
View
B+
Retailer 7
-
$59,133 USD
£46,562 GBP
View
Most Expensive
B
MOH London
D7453DE09 · Nov 1
$70,536 USD
£55,540 GBP
View
7 more retailers have this diamond
Prices start from $42,200 USDSave up to $28,336 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
3.51ct Radiant
$42,200 USD