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Round|Natural|GIA

1.00ct G SI1 Round Natural Diamond

EX • G/SI1 • GIA 7521931738

Certificate GIA 7521931738

Diamond specifications and retailer prices

From $2,549 SGD
As of November 6, 2026
Save $4,322 SGD (63%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $6,872 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 G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7521931738. Listed at 24 retailers as of November 5, 2026, with prices from $2,549 to $6,872, a $4,322 spread on the same certified stone. NZ Jewellers lists it at $6,872. 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
G
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 7521931738
Dimensions6.35 × 6.31 × 3.99 mm
L/W Ratio1.01
Star length55%
Lower girdle75%
Cert comments
Additional clouds are not shown. Pinpoints are not shown.
Key to symbols
Crystal, Cloud, Feather, Needle, Indented Natural, Natural
Top View
6.35 mm6.31 mm1.00 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7521931738
Side View
Table 56.0%Crown 36.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 63.0%

Caratlytics Score

How it works →
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 6
Current: $6,872 SGD|Low: $2,534 SGD|High: $6,872 SGD|Avg: $3,769 SGD
NZ Jewellers
Retailer 2
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Retailer 17
Retailer 18
Retailer 19
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Retailer 21
Retailer 22
Retailer 23
November 6, 2026
Retailer 23$2,549 SGD
Retailer 2$2,684 SGD
Retailer 20$2,917 SGD
Retailer 14$2,944 SGD
Retailer 11$3,034 SGD
Retailer 13$3,145 SGD
Retailer 3$3,251 SGD
Retailer 7$3,264 SGD
Retailer 5$3,286 SGD
Retailer 8$3,286 SGD
Retailer 10$3,372 SGD
Retailer 6$3,438 SGD
Retailer 18$3,458 SGD
Retailer 4$3,465 SGD
Retailer 17$3,551 SGD
Retailer 9$3,612 SGD
Retailer 12$3,792 SGD
Retailer 21$3,980 SGD
Retailer 19$4,011 SGD
Retailer 15$4,804 SGD
Retailer 16$4,938 SGD
Retailer 22$5,741 SGD
NZ Jewellers$6,872 SGD

23 data points across 23 retailers

24 retailers$2,549 SGD to $6,872 SGD

A
Cheapest Retailer
-
$2,549 SGD
A
Retailer 2
-
$2,684 SGD
View
A
Retailer 3
-
$2,917 SGD
View
A
Retailer 4
-
$2,944 SGD
View
A
Retailer 5
-
$3,034 SGD
View
Final sale: no returns
A
Retailer 6
-
$3,145 SGD
View
A
Retailer 7
-
$3,251 SGD
View
A
Retailer 8
-
$3,264 SGD
View
A
Retailer 9
-
$3,286 SGD
View
Retailer 10
-
$3,286 SGD
View
Price last confirmed 8 days ago
B+
Retailer 11
-
$3,372 SGD
View
B+
Retailer 12
-
$3,438 SGD
View
A
Retailer 13
-
$3,458 SGD
View
B+
Retailer 14
-
$3,465 SGD
View
B+
Retailer 15
-
$3,551 SGD
View
B+
Retailer 16
-
$3,612 SGD
View
B+
Retailer 17
-
$3,792 SGD
View
Retailer 18
-
$3,803 SGD
View
Price last confirmed 30 days ago
B+
Retailer 19
-
$3,980 SGD
View
B+
Retailer 20
-
$4,011 SGD
View
B+
Retailer 21
-
$4,804 SGD
View
B+
Retailer 22
-
$4,938 SGD
View
B
Retailer 23
-
$5,741 SGD
View
Most Expensive
B
NZ Jewellers
5cb3b936-66a2-46ea-adc4-2528a6c27ea0 · Nov 5
$6,872 SGD
$5,380 USD
View
23 more retailers have this diamond
Prices start from $2,549 SGDSave up to $4,322 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
$2,549 SGD