Radiant|Natural|GIA

1.30ct D SI1 Radiant Natural Diamond

EX • D/SI1 • GIA 6551980848

Certificate GIA 6551980848

Diamond specifications and retailer prices

From $5,372 USD
As of November 6, 2026
Save $4,001 USD (43%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $9,373 USD at MOH London · As of November 4, 2026
View at MOH London

About this 1.3ct natural radiant diamond

This 1.3ct natural radiant sits in the one-and-a-quarter to one-and-a-half 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 6551980848. Listed at 7 retailers as of November 4, 2026, with prices from $5,372 to $9,373, a $4,001 spread on the same certified stone. MOH London lists it at $9,373. 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

1.30
Carat
D
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6551980848
Dimensions7.40 × 5.72 × 3.83 mm
L/W Ratio1.29
Culet sizeNone
Top View
7.40 mm5.72 mm1.30 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6551980848
Side View
Table 68.0%CrownGirdle: MediumPavilionCulet: NoneDepth 66.9%

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: Nov 6
Current: $9,373 USD|Low: $5,545 USD|High: $9,448 USD|Avg: $6,637 USD|+2.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 7, 2026
Retailer 3$5,640 USD
Retailer 5$5,687 USD
Retailer 2$5,959 USD
Retailer 6$6,282 USD
Retailer 4$7,111 USD
MOH London$9,373 USD

40 data points across 6 retailers

7 retailers$5,372 USD to $9,373 USD

A
Cheapest Retailer
-
$5,372 USD
B+
Retailer 2
-
$5,640 USD
View
B+
Retailer 3
-
$5,687 USD
View
B+
Retailer 4
-
$5,959 USD
View
Retailer 5
-
$6,282 USD
View
Price last confirmed 28 days ago
B+
Retailer 6
-
$7,111 USD
View
Most Expensive
B
MOH London
B97F924C4 · Nov 4
$9,373 USD
£7,380 GBP
View
6 more retailers have this diamond
Prices start from $5,372 USDSave up to $4,001 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
1.30ct Radiant
$5,372 USD