CaratHunter
Plans
Round|Natural|GIA

1.00ct G SI2 Round Natural Diamond

EX • G/SI2 • GIA 6505785799

Certificate GIA 6505785799

Diamond specifications and retailer prices

From $1,929 SGD
As of November 5, 2026
Save $4,200 SGD (69%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $6,128 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 top-tier cut grade and certified by GIA 6505785799. Listed at 19 retailers as of November 5, 2026, with prices from $1,929 to $6,128, a $4,200 spread on the same certified stone. NZ Jewellers lists it at $6,128. 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
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle33°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6505785799
Dimensions6.50 × 6.44 × 3.87 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Top View
6.50 mm6.44 mm1.00 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 6505785799
Side View
Table 61.0%Crown 33°Girdle: MED-STKPavilion 41°Culet: NoneDepth 59.9%

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 5
Current: $6,128 SGD|Low: $1,929 SGD|High: $6,128 SGD|Avg: $2,951 SGD|+13.0%
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
November 6, 2026
Retailer 15$1,929 SGD
Retailer 2$2,012 SGD
Retailer 9$2,304 SGD
Retailer 4$2,320 SGD
Retailer 8$2,452 SGD
Retailer 3$2,512 SGD
Retailer 13$2,516 SGD
Retailer 7$2,595 SGD
Retailer 16$2,615 SGD
Retailer 5$2,629 SGD
Retailer 10$2,671 SGD
Retailer 11$2,713 SGD
Retailer 14$2,899 SGD
Retailer 12$3,412 SGD
Retailer 6$4,546 SGD
NZ Jewellers$6,128 SGD

26 data points across 16 retailers

19 retailers$1,929 SGD to $6,128 SGD

A
Cheapest Retailer
-
$1,929 SGD
A
Retailer 2
-
$2,012 SGD
View
A
Retailer 3
-
$2,304 SGD
View
A
Retailer 4
-
$2,320 SGD
View
Final sale: no returns
A
Retailer 5
-
$2,452 SGD
View
A
Retailer 6
-
$2,481 SGD
View
A
Retailer 7
-
$2,486 SGD
View
A
Retailer 8
-
$2,512 SGD
View
A
Retailer 9
-
$2,516 SGD
View
Retailer 10
-
$2,595 SGD
View
Price last confirmed 8 days ago
A
Retailer 11
-
$2,615 SGD
View
A
Retailer 12
-
$2,629 SGD
View
A
Retailer 13
-
$2,671 SGD
View
A
Retailer 14
-
$2,713 SGD
View
A
Retailer 15
-
$2,899 SGD
View
A
Retailer 16
-
$3,412 SGD
View
B
Retailer 17
-
$4,546 SGD
View
B
Retailer 18
-
$5,201 SGD
View
Most Expensive
B
NZ Jewellers
aae52e83-00e0-46ac-91c0-bee7bc8afd8e · Nov 5
$6,128 SGD
$4,798 USD
View
18 more retailers have this diamond
Prices start from $1,929 SGDSave up to $4,200 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
$1,929 SGD