Round|Natural|GIA

1.30ct D SI2 Round Natural Diamond

EX • D/SI2 • GIA 6492975872

Certificate GIA 6492975872

Diamond specifications and retailer prices

From $4,990 USD
As of November 4, 2026
Save $4,665 USD (48%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $9,655 USD at MOH London · As of November 4, 2026
View at MOH London

About this 1.3ct natural round diamond

This 1.3ct natural round sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6492975872. Listed at 15 retailers as of November 4, 2026, with prices from $4,990 to $9,655, a $4,665 spread on the same certified stone. MOH London lists it at $9,655. 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
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 6492975872
Dimensions7.05 × 7.01 × 4.27 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Top View
7.05 mm7.01 mm1.30 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6492975872
Side View
Table 59.0%Crown 36°Girdle: THN-STKPavilion 40.6°Culet: NoneDepth 60.7%

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 4
Current: $9,655 USD|Low: $4,990 USD|High: $9,798 USD|Avg: $7,027 USD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 6, 2026
Retailer 4$4,990 USD
Retailer 5$5,953 USD
Retailer 2$6,199 USD
Retailer 3$6,722 USD
MOH London$9,655 USD

42 data points across 5 retailers

15 retailers$4,990 USD to $9,655 USD

A
Cheapest Retailer
-
$4,990 USD
A
Retailer 2
-
$5,047 USD
View
A
Retailer 3
-
$5,192 USD
View
B+
Retailer 4
-
$5,541 USD
View
Retailer 5
-
$5,953 USD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
$6,199 USD
View
B+
Retailer 7
-
$6,494 USD
View
B+
Retailer 8
-
$6,630 USD
View
B+
Retailer 9
-
$6,630 USD
View
B+
Retailer 10
-
$6,722 USD
View
B
Retailer 11
-
$6,860 USD
View
Retailer 12
-
$7,244 USD
View
Price last confirmed 14 days ago
B
Retailer 13
-
$8,376 USD
View
B
Retailer 14
-
$8,422 USD
View
Most Expensive
B
MOH London
65FE5E683 · Nov 4
$9,655 USD
£7,602 GBP
View
14 more retailers have this diamond
Prices start from $4,990 USDSave up to $4,665 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 Round
$4,990 USD