CaratHunter
Plans
Round|Natural|GIA

1.00ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 6223323213

Certificate GIA 6223323213

Diamond specifications and retailer prices

From $2,770 SGD
As of November 6, 2026
Save $4,749 SGD (63%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $7,520 SGD at Diamond Quarter · As of November 5, 2026
View at Diamond Quarter

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 top-tier cut grade and certified by GIA 6223323213. Listed at 19 retailers as of November 5, 2026, with prices from $2,770 to $7,520, a $4,749 spread on the same certified stone. Diamond Quarter lists it at $7,520. 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

1.00
Carat
H
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 6223323213
Dimensions6.40 × 6.35 × 3.95 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
6.40 mm6.35 mm1.00 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6223323213
Side View
Table 57.0%Crown 36°Girdle: THN-STKPavilion 40.6°Culet: NoneDepth 62.2%

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: $3,303 SGD|Low: $2,721 SGD|High: $6,295 SGD|Avg: $3,836 SGD|-1.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 5$2,785 SGD
Retailer 6$2,906 SGD
Retailer 7$2,968 SGD
Retailer 1$3,303 SGD
Retailer 2$3,713 SGD
Retailer 3$4,128 SGD
Retailer 4$6,203 SGD

38 data points across 7 retailers

19 retailers$2,770 SGD to $7,520 SGD

Retailer 1
-
$2,643 SGD
Price last confirmed 26 days ago
A
Retailer 2
-
$2,770 SGD
View
A
Retailer 3
-
$2,785 SGD
View
A
Retailer 4
-
$2,822 SGD
View
A
Retailer 5
-
$2,906 SGD
View
B+
Retailer 6
-
$2,968 SGD
View
Final sale: no returns
B+
Retailer 7
-
$3,216 SGD
View
B+
Retailer 8
-
$3,270 SGD
View
B+
Retailer 9
-
$3,303 SGD
View
B+
Retailer 10
-
$3,364 SGD
View
B+
Retailer 11
-
$3,691 SGD
View
B+
Retailer 12
-
$3,691 SGD
View
B+
Retailer 13
-
$3,712 SGD
View
B+
Retailer 14
-
$3,713 SGD
View
B+
Retailer 15
-
$3,806 SGD
View
B
Retailer 16
-
$4,128 SGD
View
B
Retailer 17
-
$6,203 SGD
View
B
Retailer 18
-
$7,422 SGD
View
Most Expensive
B
Diamond Quarter
1.0SI2H6213D6DDN · Nov 5
$7,520 SGD
£4,636 GBP
View
18 more retailers have this diamond
Prices start from $2,770 SGDSave up to $4,749 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
$2,770 SGD