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Radiant|Natural|GIA

1.30ct D SI1 Radiant Natural Diamond

EX • D/SI1 • GIA 6551980848

Certificate GIA 6551980848

Diamond specifications and retailer prices

From $9,691 NZD
As of November 6, 2026
Save $7,217 NZD (43%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $16,907 NZD 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 $9,691 to $16,907, a $7,217 spread on the same certified stone. MOH London lists it at $16,907. 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
Colour
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: $16,907 NZD|Low: $10,003 NZD|High: $17,042 NZD|Avg: $11,973 NZD|+2.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 7, 2026
Retailer 3$10,174 NZD
Retailer 5$10,259 NZD
Retailer 2$10,749 NZD
Retailer 6$11,332 NZD
Retailer 4$12,828 NZD
MOH London$16,907 NZD

40 data points across 6 retailers

7 retailers$9,691 NZD to $16,907 NZD

A
Cheapest Retailer
-
$9,691 NZD
B+
Retailer 2
-
$10,174 NZD
View
B+
Retailer 3
-
$10,259 NZD
View
B+
Retailer 4
-
$10,749 NZD
View
Retailer 5
-
$11,332 NZD
View
Price last confirmed 28 days ago
B+
Retailer 6
-
$12,828 NZD
View
Most Expensive
B
MOH London
B97F924C4 · Nov 4
$16,907 NZD
£7,380 GBP
View
6 more retailers have this diamond
Prices start from $9,691 NZDSave up to $7,217 NZD

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
$9,691 NZD