Round|Natural|GIA

1.00ct H SI2 Round Natural Diamond

VG • H/SI2 • GIA 6412359992

Certificate GIA 6412359992

Diamond specifications and retailer prices

From $1,950 USD
As of October 31, 2026
Save $3,652 USD (65%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $5,602 USD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1ct natural round diamond

This 1ct natural round sits in the classic one-carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by GIA 6412359992. Listed at 19 retailers as of October 31, 2026, with prices from $1,950 to $5,602, a $3,652 spread on the same certified stone. NZ Jewellers lists it at $5,602. 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

1.00
Carat
H
Color
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle38°
Pavilion angle40.4°
OriginNatural
Grading LabGIA
CertificateGIA 6412359992
Dimensions6.25 × 6.16 × 4.01 mm
L/W Ratio1.01
Top View
6.25 mm6.16 mm1.00 ctH / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6412359992
Side View
Table 58.0%Crown 38°Girdle: STK-THKPavilion 40.4°Culet: NoneDepth 64.7%

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: Oct 31
Current: $2,493 USD|Low: $1,945 USD|High: $4,751 USD|Avg: $2,786 USD|-1.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 7$1,950 USD
Retailer 8$1,958 USD
Retailer 9$2,473 USD
Retailer 6$2,479 USD
Retailer 1$2,493 USD
Retailer 2$2,729 USD
Retailer 3$2,819 USD
Retailer 5$3,030 USD
Retailer 4$4,682 USD

33 data points across 9 retailers

19 retailers$1,950 USD to $5,602 USD

A
Cheapest Retailer
-
$1,950 USD
A
Retailer 2
-
$1,958 USD
View
B+
Retailer 3
-
$2,370 USD
View
B+
Retailer 4
-
$2,473 USD
View
Final sale: no returns
B+
Retailer 5
-
$2,479 USD
View
B+
Retailer 6
-
$2,493 USD
View
Retailer 7
-
$2,537 USD
View
Price last confirmed 109 days ago
Retailer 8
-
$2,680 USD
View
Price last confirmed 8 days ago
B+
Retailer 9
-
$2,680 USD
View
B+
Retailer 10
-
$2,729 USD
View
B+
Retailer 11
-
$2,783 USD
View
B+
Retailer 12
-
$2,819 USD
View
B+
Retailer 13
-
$2,820 USD
View
B
Retailer 14
-
$3,030 USD
View
B
Retailer 15
-
$3,092 USD
View
B
Retailer 16
-
$3,749 USD
View
B
Retailer 17
-
$4,682 USD
View
C
Retailer 18
-
$5,120 USD
View
Most Expensive
C
NZ Jewellers
9b80595b-a9cd-4fb4-99e6-9398ee5f40ac · Nov 5
$5,602 USD
View
18 more retailers have this diamond
Prices start from $1,950 USDSave up to $3,652 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
1.00ct Round
$1,950 USD