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Round|Natural|GIA

1.00ct H SI2 Round Natural Diamond

VG • H/SI2 • GIA 2436407019

Certificate GIA 2436407019

Diamond specifications and retailer prices

From $2,321 SGD
As of November 6, 2026
Save $4,419 SGD (66%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $6,740 SGD 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 2436407019. Listed at 19 retailers as of November 5, 2026, with prices from $2,321 to $6,740, a $4,419 spread on the same certified stone. NZ Jewellers lists it at $6,740. 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
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle34°
Pavilion angle40.4°
OriginNatural
Grading LabGIA
CertificateGIA 2436407019
Dimensions6.39 × 6.32 × 3.89 mm
L/W Ratio1.01
Top View
6.39 mm6.32 mm1.00 ctH / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2436407019
Side View
Table 59.0%Crown 34°Girdle: MED-THKPavilion 40.4°Culet: NoneDepth 61.2%

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: $2,321 SGD|Low: $2,321 SGD|High: $5,708 SGD|Avg: $3,319 SGD|-3.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 1$2,321 SGD
Retailer 7$2,354 SGD
Retailer 9$2,975 SGD
Retailer 8$2,998 SGD
Retailer 2$2,999 SGD
Retailer 3$3,278 SGD
Retailer 4$3,391 SGD
Retailer 5$3,634 SGD
Retailer 6$5,648 SGD

31 data points across 9 retailers

19 retailers$2,321 SGD to $6,740 SGD

A
Cheapest Retailer
-
$2,321 SGD
A
Retailer 2
-
$2,354 SGD
View
B+
Retailer 3
-
$2,852 SGD
View
B+
Retailer 4
-
$2,975 SGD
View
Final sale: no returns
B+
Retailer 5
-
$2,998 SGD
View
B+
Retailer 6
-
$2,999 SGD
View
Retailer 7
-
$3,063 SGD
View
Price last confirmed 109 days ago
B+
Retailer 8
-
$3,224 SGD
View
B+
Retailer 9
-
$3,278 SGD
View
B+
Retailer 10
-
$3,372 SGD
View
B+
Retailer 11
-
$3,391 SGD
View
B+
Retailer 12
-
$3,403 SGD
View
B+
Retailer 13
-
$3,492 SGD
View
B+
Retailer 14
-
$3,634 SGD
View
B
Retailer 15
-
$3,719 SGD
View
B
Retailer 16
-
$4,789 SGD
View
B
Retailer 17
-
$5,648 SGD
View
B
Retailer 18
-
$6,108 SGD
View
Most Expensive
C
NZ Jewellers
2c76cae2-ae71-494a-8465-77ecad09c201 · Nov 5
$6,740 SGD
$5,277 USD
View
18 more retailers have this diamond
Prices start from $2,321 SGDSave up to $4,419 SGD

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
$2,321 SGD