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Round|Natural|GIA

1.00ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 6552212053

Certificate GIA 6552212053

Diamond specifications and retailer prices

From $3,122 SGD
As of November 5, 2026
Save $4,045 SGD (56%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $7,167 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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6552212053. Listed at 23 retailers as of November 5, 2026, with prices from $3,122 to $7,167, a $4,045 spread on the same certified stone. NZ Jewellers lists it at $7,167. 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
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle33°
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 6552212053
Dimensions6.38 × 6.40 × 3.95 mm
L/W Ratio1.00
Top View
6.38 mm6.40 mm1.00 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6552212053
Side View
Table 60.0%Crown 33°Girdle: Slightly ThickPavilion 41.8°Culet: NoneDepth 61.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $7,167 SGD|Low: $3,122 SGD|High: $7,562 SGD|Avg: $4,301 SGD|-4.0%
NZ Jewellers
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
Retailer 21
Retailer 22
November 6, 2026
Retailer 22$3,122 SGD
Retailer 12$3,270 SGD
Retailer 10$3,276 SGD
Retailer 6$3,338 SGD
Retailer 11$3,378 SGD
Retailer 15$3,430 SGD
Retailer 19$3,440 SGD
Retailer 17$3,445 SGD
Retailer 5$3,727 SGD
Retailer 14$3,769 SGD
Retailer 9$3,870 SGD
Retailer 3$4,062 SGD
Retailer 8$4,062 SGD
Retailer 13$4,190 SGD
Retailer 2$4,200 SGD
Retailer 16$4,230 SGD
Retailer 20$4,301 SGD
Retailer 18$4,509 SGD
Retailer 4$4,879 SGD
Retailer 21$5,021 SGD
Retailer 7$6,940 SGD
NZ Jewellers$7,167 SGD

23 data points across 22 retailers

23 retailers$3,122 SGD to $7,167 SGD

A
Cheapest Retailer
-
$3,122 SGD
A
Retailer 2
-
$3,270 SGD
View
A
Retailer 3
-
$3,276 SGD
View
A
Retailer 4
-
$3,338 SGD
View
A
Retailer 5
-
$3,378 SGD
View
A
Retailer 6
-
$3,430 SGD
View
A
Retailer 7
-
$3,440 SGD
View
Final sale: no returns
A
Retailer 8
-
$3,445 SGD
View
A
Retailer 9
-
$3,727 SGD
View
Retailer 10
-
$3,769 SGD
View
Price last confirmed 8 days ago
A
Retailer 11
-
$3,870 SGD
View
A
Retailer 12
-
$4,062 SGD
View
A
Retailer 13
-
$4,062 SGD
View
B+
Retailer 14
-
$4,190 SGD
View
B+
Retailer 15
-
$4,200 SGD
View
B+
Retailer 16
-
$4,230 SGD
View
B+
Retailer 17
-
$4,301 SGD
View
B+
Retailer 18
-
$4,509 SGD
View
Retailer 19
-
$4,796 SGD
View
Price last confirmed 33 days ago
B+
Retailer 20
-
$4,879 SGD
View
B+
Retailer 21
-
$5,021 SGD
View
B
Retailer 22
-
$6,940 SGD
View
Most Expensive
B
NZ Jewellers
bde55d89-2d88-488f-861d-e68e802678a4 · Nov 5
$7,167 SGD
$5,611 USD
View
22 more retailers have this diamond
Prices start from $3,122 SGDSave up to $4,045 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
$3,122 SGD