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Round|Natural|GIA

1.00ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 2544928323

Certificate GIA 2544928323

Diamond specifications and retailer prices

From $3,040 SGD
As of November 5, 2026
Save $3,966 SGD (57%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $7,006 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 2544928323. Listed at 23 retailers as of November 5, 2026, with prices from $3,040 to $7,006, a $3,966 spread on the same certified stone. NZ Jewellers lists it at $7,006. 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
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2544928323
Dimensions6.29 × 6.34 × 3.98 mm
L/W Ratio1.01
Top View
6.29 mm6.34 mm1.00 ctD / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateGIA 2544928323
Side View
Table 58.0%Crown 36°Girdle: THN-STKPavilion 40.8°Culet: NoneDepth 62.9%

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: $7,006 SGD|Low: $3,040 SGD|High: $7,336 SGD|Avg: $4,311 SGD|-4.5%
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$3,040 SGD
Retailer 12$3,235 SGD
Retailer 8$3,262 SGD
Retailer 16$3,340 SGD
Retailer 19$3,363 SGD
Retailer 18$3,370 SGD
Retailer 15$3,393 SGD
Retailer 6$3,643 SGD
Retailer 5$3,765 SGD
Retailer 10$3,783 SGD
Retailer 2$3,847 SGD
Retailer 3$3,972 SGD
Retailer 9$3,972 SGD
Retailer 13$4,100 SGD
Retailer 20$4,204 SGD
Retailer 7$4,230 SGD
Retailer 17$4,404 SGD
Retailer 4$4,767 SGD
Retailer 14$4,772 SGD
Retailer 21$4,907 SGD
Retailer 11$6,880 SGD
NZ Jewellers$7,006 SGD

21 data points across 22 retailers

23 retailers$3,040 SGD to $7,006 SGD

A
Cheapest Retailer
-
$3,040 SGD
A
Retailer 2
-
$3,235 SGD
View
A
Retailer 3
-
$3,262 SGD
View
A
Retailer 4
-
$3,340 SGD
View
A
Retailer 5
-
$3,363 SGD
View
Final sale: no returns
A
Retailer 6
-
$3,370 SGD
View
A
Retailer 7
-
$3,393 SGD
View
A
Retailer 8
-
$3,643 SGD
View
A
Retailer 9
-
$3,765 SGD
View
A
Retailer 10
-
$3,783 SGD
View
A
Retailer 11
-
$3,847 SGD
View
A
Retailer 12
-
$3,972 SGD
View
A
Retailer 13
-
$3,972 SGD
View
B+
Retailer 14
-
$4,100 SGD
View
B+
Retailer 15
-
$4,204 SGD
View
B+
Retailer 16
-
$4,230 SGD
View
B+
Retailer 17
-
$4,404 SGD
View
Retailer 18
-
$4,596 SGD
View
Price last confirmed 30 days ago
B+
Retailer 19
-
$4,767 SGD
View
Retailer 20
-
$4,772 SGD
View
Price last confirmed 14 days ago
B+
Retailer 21
-
$4,907 SGD
View
B
Retailer 22
-
$6,880 SGD
View
Most Expensive
B
NZ Jewellers
c04f7c52-73fe-46cf-977c-12a3468ca840 · Nov 5
$7,006 SGD
$5,485 USD
View
22 more retailers have this diamond
Prices start from $3,040 SGDSave up to $3,966 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
$3,040 SGD