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Round|Natural|GIA

1.30ct H SI1 Round Natural Diamond

VG • H/SI1 • GIA 6422450481

Certificate GIA 6422450481

Diamond specifications and retailer prices

From $3,302 USD
As of November 6, 2026
Save $6,217 USD (65%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $9,519 USD at Diamond Quarter · As of November 5, 2026
View at Diamond Quarter

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 H colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by GIA 6422450481. Listed at 21 retailers as of November 5, 2026, with prices from $3,302 to $9,519, a $6,217 spread on the same certified stone. Diamond Quarter lists it at $9,519. 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
H
Color
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle32.5°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 6422450481
Dimensions7.00 × 6.93 × 4.25 mm
L/W Ratio1.01
Top View
7.00 mm6.93 mm1.30 ctH / SI1
OriginNatural
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 6422450481
Side View
Table 64.0%Crown 32.5°Girdle: STK-THKPavilion 41.6°Culet: NoneDepth 61.0%

Caratlytics Score

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

Price History

Last verified: Nov 6
Current: $4,242 USD|Low: $3,276 USD|High: $7,724 USD|Avg: $4,541 USD|-7.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
November 6, 2026
Retailer 18$3,302 USD
Retailer 9$3,403 USD
Retailer 17$3,435 USD
Retailer 8$3,707 USD
Retailer 7$3,807 USD
Retailer 2$3,810 USD
Retailer 11$4,017 USD
Retailer 20$4,017 USD
Retailer 1$4,242 USD
Retailer 12$4,463 USD
Retailer 3$4,530 USD
Retailer 19$4,530 USD
Retailer 5$4,635 USD
Retailer 4$4,680 USD
Retailer 13$4,719 USD
Retailer 15$4,979 USD
Retailer 10$5,015 USD
Retailer 14$5,409 USD
Retailer 16$7,042 USD
Retailer 6$7,724 USD

33 data points across 20 retailers

21 retailers$3,302 USD to $9,519 USD

A
Cheapest Retailer
-
$3,302 USD
A
Retailer 2
-
$3,403 USD
View
A
Retailer 3
-
$3,435 USD
View
B+
Retailer 4
-
$3,707 USD
View
Final sale: no returns
B+
Retailer 5
-
$3,807 USD
View
B+
Retailer 6
-
$3,810 USD
View
B+
Retailer 7
-
$4,017 USD
View
B+
Retailer 8
-
$4,017 USD
View
B+
Retailer 9
-
$4,242 USD
View
B+
Retailer 10
-
$4,463 USD
View
B
Retailer 11
-
$4,513 USD
View
B
Retailer 12
-
$4,530 USD
View
B
Retailer 13
-
$4,530 USD
View
B
Retailer 14
-
$4,635 USD
View
B
Retailer 15
-
$4,680 USD
View
Retailer 16
-
$4,719 USD
View
Price last confirmed 28 days ago
B
Retailer 17
-
$4,979 USD
View
B
Retailer 18
-
$5,409 USD
View
B
Retailer 19
-
$7,042 USD
View
C
Retailer 20
-
$7,724 USD
View
Most Expensive
C
Diamond Quarter
1.3SI1H6481D415N · Nov 5
$9,519 USD
£7,495 GBP
View
20 more retailers have this diamond
Prices start from $3,302 USDSave up to $6,217 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
$3,302 USD