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Round|Natural|GIA

1.01ct G SI1 Round Natural Diamond

EX • G/SI1 • GIA 1559860829

Certificate GIA 1559860829

Diamond specifications and retailer prices

From $3,417 SGD
As of November 6, 2026
Save $4,315 SGD (56%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $7,731 SGD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.01ct natural round diamond

This 1.01ct natural round sits in the classic one-carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1559860829. Listed at 23 retailers as of November 5, 2026, with prices from $3,417 to $7,731, a $4,315 spread on the same certified stone. NZ Jewellers lists it at $7,731. 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

1.01
Carat
G
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 1559860829
Dimensions6.34 × 6.37 × 4.00 mm
L/W Ratio1.00
Culet sizeNone
Key to symbols
Feather, Cloud, Indented Natural
Top View
6.34 mm6.37 mm1.01 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1559860829
Side View
Table 60.0%Crown 34°Girdle: THN-STKPavilion 41.8°Culet: NoneDepth 62.9%

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: $7,731 SGD|Low: $3,384 SGD|High: $7,731 SGD|Avg: $5,001 SGD
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$3,417 SGD
Retailer 18$3,423 SGD
Retailer 19$3,909 SGD
Retailer 12$3,939 SGD
Retailer 9$4,095 SGD
Retailer 2$4,246 SGD
Retailer 7$4,273 SGD
Retailer 4$4,437 SGD
Retailer 6$4,437 SGD
Retailer 8$4,458 SGD
Retailer 13$4,536 SGD
Retailer 5$4,608 SGD
Retailer 3$4,621 SGD
Retailer 10$4,755 SGD
Retailer 20$4,999 SGD
Retailer 11$5,119 SGD
Retailer 16$5,150 SGD
Retailer 17$5,416 SGD
Retailer 14$6,435 SGD
Retailer 15$6,615 SGD
Retailer 21$7,399 SGD
NZ Jewellers$7,731 SGD

22 data points across 22 retailers

23 retailers$3,417 SGD to $7,731 SGD

A
Cheapest Retailer
-
$3,417 SGD
A
Retailer 2
-
$3,423 SGD
View
B+
Retailer 3
-
$3,909 SGD
View
B+
Retailer 4
-
$3,939 SGD
View
B+
Retailer 5
-
$4,095 SGD
View
Final sale: no returns
B+
Retailer 6
-
$4,246 SGD
View
B+
Retailer 7
-
$4,273 SGD
View
Retailer 8
-
$4,437 SGD
View
Price last confirmed 8 days ago
B+
Retailer 9
-
$4,437 SGD
View
B+
Retailer 10
-
$4,458 SGD
View
B+
Retailer 11
-
$4,536 SGD
View
B
Retailer 12
-
$4,608 SGD
View
B
Retailer 13
-
$4,621 SGD
View
B+
Retailer 14
-
$4,755 SGD
View
Retailer 15
-
$4,907 SGD
View
Price last confirmed 29 days ago
B+
Retailer 16
-
$4,999 SGD
View
B
Retailer 17
-
$5,119 SGD
View
B+
Retailer 18
-
$5,150 SGD
View
B+
Retailer 19
-
$5,416 SGD
View
B
Retailer 20
-
$6,435 SGD
View
B
Retailer 21
-
$6,615 SGD
View
B
Retailer 22
-
$7,399 SGD
View
Most Expensive
B
NZ Jewellers
7bbcc13b-7f3f-4c63-83f4-6cca1274a6c5 · Nov 5
$7,731 SGD
$6,053 USD
View
22 more retailers have this diamond
Prices start from $3,417 SGDSave up to $4,315 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
1.01ct Round
$3,417 SGD