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Round|Natural|GIA

1.00ct G SI2 Round Natural Diamond

VG • G/SI2 • GIA 2566302813

Certificate GIA 2566302813

Diamond specifications and retailer prices

From $1,912 SGD
As of November 6, 2026
Save $4,334 SGD (69%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $6,246 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 SI2 clarity (slightly-included), with a very-good cut grade and certified by GIA 2566302813. Listed at 19 retailers as of November 5, 2026, with prices from $1,912 to $6,246, a $4,334 spread on the same certified stone. NZ Jewellers lists it at $6,246. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.00
Carat
G
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle34.5°
Pavilion angle42.2°
OriginNatural
Grading LabGIA
CertificateGIA 2566302813
Dimensions6.29 × 6.23 × 4.02 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Top View
6.29 mm6.23 mm1.00 ctG / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2566302813
Side View
Table 61.0%Crown 34.5°Girdle: STK-THKPavilion 42.2°Culet: NDepth 64.2%

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: $6,246 SGD|Low: $1,912 SGD|High: $6,246 SGD|Avg: $2,909 SGD|+14.1%
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
November 6, 2026
Retailer 8$1,912 SGD
Retailer 9$1,984 SGD
Retailer 4$2,211 SGD
Retailer 16$2,316 SGD
Retailer 11$2,325 SGD
Retailer 5$2,335 SGD
Retailer 2$2,349 SGD
Retailer 7$2,363 SGD
Retailer 6$2,561 SGD
Retailer 10$2,664 SGD
Retailer 12$2,666 SGD
Retailer 19$2,678 SGD
Retailer 13$2,774 SGD
Retailer 3$2,954 SGD
Retailer 15$2,960 SGD
Retailer 14$3,286 SGD
Retailer 18$3,709 SGD
Retailer 17$4,473 SGD
NZ Jewellers$6,246 SGD

26 data points across 19 retailers

19 retailers$1,912 SGD to $6,246 SGD

A
Cheapest Retailer
-
$1,912 SGD
Retailer 2
-
$1,984 SGD
View
Price last confirmed 17 days ago
A
Retailer 3
-
$2,211 SGD
View
Retailer 4
-
$2,229 SGD
View
Price last confirmed 20 days ago
A
Retailer 5
-
$2,316 SGD
View
Retailer 6
-
$2,325 SGD
View
Price last confirmed 19 days ago
A
Retailer 7
-
$2,335 SGD
View
A
Retailer 8
-
$2,349 SGD
View
B+
Retailer 9
-
$2,363 SGD
View
Final sale: no returns
A
Retailer 10
-
$2,561 SGD
View
A
Retailer 11
-
$2,666 SGD
View
A
Retailer 12
-
$2,678 SGD
View
A
Retailer 13
-
$2,774 SGD
View
A
Retailer 14
-
$2,954 SGD
View
A
Retailer 15
-
$2,960 SGD
View
B+
Retailer 16
-
$3,286 SGD
View
B+
Retailer 17
-
$3,709 SGD
View
B
Retailer 18
-
$4,473 SGD
View
Most Expensive
C
NZ Jewellers
aea2bd82-e878-478a-9d37-d6a4df82a19c · Nov 5
$6,246 SGD
$4,890 USD
View
18 more retailers have this diamond
Prices start from $1,912 SGDSave up to $4,334 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
$1,912 SGD