Round|Natural|GIA

1.30ct D SI1 Round Natural Diamond

VG • D/SI1 • GIA 5231484333

Certificate GIA 5231484333

Diamond specifications and retailer prices

From $6,255 USD
As of November 1, 2026
Save $3,861 USD (38%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $10,116 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 SI1 clarity (slightly-included), with a very-good cut grade and certified by GIA 5231484333. Listed at 9 retailers as of November 1, 2026, with prices from $6,255 to $10,116, a $3,861 spread on the same certified stone. MOH London lists it at $10,116. 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

1.30
Carat
D
Color
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishGood
SymmetryVery Good
FluorescenceNone
Crown angle33.5°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 5231484333
Dimensions7.12 × 7.07 × 4.26 mm
L/W Ratio1.01
Star length55%
Lower girdle80%
Top View
7.12 mm7.07 mm1.30 ctD / SI1
OriginNatural
CutVery Good
PolishGood
SymmetryVery Good
FluorescenceNone
CertificateGIA 5231484333
Side View
Table 62.0%Crown 33.5°Girdle: ThinPavilion 41.6°Culet: NoneDepth 60.1%

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: Nov 1
Current: $10,116 USD|Low: $6,135 USD|High: $10,588 USD|Avg: $7,783 USD|-3.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 5, 2026
Retailer 6$6,255 USD
Retailer 8$6,347 USD
Retailer 10$6,389 USD
Retailer 5$6,490 USD
Retailer 7$6,718 USD
Retailer 9$7,064 USD
Retailer 4$7,891 USD
Retailer 2$8,880 USD
Retailer 11$9,236 USD
Retailer 3$9,240 USD
MOH London$10,116 USD

22 data points across 11 retailers

9 retailers$6,255 USD to $10,116 USD

B+
Cheapest Retailer
-
$6,255 USD
B+
Retailer 2
-
$6,347 USD
View
B+
Retailer 3
-
$6,389 USD
View
B+
Retailer 4
-
$6,490 USD
View
Retailer 5
-
$6,718 USD
View
Price last confirmed 8 days ago
Retailer 6
-
$7,064 USD
View
Price last confirmed 15 days ago
B
Retailer 7
-
$7,891 USD
View
B
Retailer 8
-
$8,880 USD
View
Most Expensive
B
MOH London
CB3F21F4B · Nov 4
$10,116 USD
£7,965 GBP
View
8 more retailers have this diamond
Prices start from $6,255 USDSave up to $3,861 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.

B+
1.30ct Round
$6,255 USD