CaratHunter
Plans
Round|Natural|GIA

1.00ct G SI1 Round Natural Diamond

VG • G/SI1 • GIA 6551874408

Certificate GIA 6551874408

Diamond specifications and retailer prices

From $2,304 SGD
As of November 5, 2026
Save $4,045 SGD (64%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $6,349 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 very-good cut grade and certified by GIA 6551874408. Listed at 23 retailers as of November 5, 2026, with prices from $2,304 to $6,349, a $4,045 spread on the same certified stone. NZ Jewellers lists it at $6,349. 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
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceMedium
Crown angle35°
Pavilion angle40.4°
OriginNatural
Grading LabGIA
CertificateGIA 6551874408
Dimensions6.30 × 6.33 × 3.88 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Top View
6.30 mm6.33 mm1.00 ctG / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceMedium
CertificateGIA 6551874408
Side View
Table 60.0%Crown 35°Girdle: ThickPavilion 40.4°Culet: NoneDepth 61.5%

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: $6,349 SGD|Low: $2,191 SGD|High: $7,503 SGD|Avg: $3,388 SGD|-4.0%
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
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
Retailer 23
Retailer 24
Retailer 25
Retailer 26
November 6, 2026
Retailer 14$2,258 SGD
Retailer 4$2,304 SGD
Retailer 9$2,539 SGD
Retailer 25$2,677 SGD
Retailer 11$2,736 SGD
Retailer 7$2,751 SGD
Retailer 10$2,760 SGD
Retailer 22$2,778 SGD
Retailer 18$2,793 SGD
Retailer 13$2,906 SGD
Retailer 16$2,980 SGD
Retailer 12$2,991 SGD
Retailer 6$3,013 SGD
Retailer 17$3,117 SGD
Retailer 26$3,174 SGD
Retailer 3$3,180 SGD
Retailer 8$3,180 SGD
Retailer 23$3,193 SGD
Retailer 21$3,295 SGD
Retailer 20$3,520 SGD
Retailer 24$3,537 SGD
Retailer 5$3,707 SGD
Retailer 2$3,709 SGD
Retailer 19$3,894 SGD
Retailer 15$5,247 SGD
NZ Jewellers$6,349 SGD

19 data points across 26 retailers

23 retailers$2,304 SGD to $6,349 SGD

A
Cheapest Retailer
-
$2,304 SGD
A
Retailer 2
-
$2,539 SGD
View
Final sale: no returns
A
Retailer 3
-
$2,677 SGD
View
A
Retailer 4
-
$2,751 SGD
View
A
Retailer 5
-
$2,778 SGD
View
Retailer 6
-
$2,793 SGD
View
Price last confirmed 22 days ago
B+
Retailer 7
-
$2,906 SGD
View
Retailer 8
-
$2,980 SGD
View
Price last confirmed 21 days ago
Retailer 9
-
$2,991 SGD
View
Price last confirmed 16 days ago
A
Retailer 10
-
$3,013 SGD
View
Retailer 11
-
$3,117 SGD
View
Price last confirmed 22 days ago
A
Retailer 12
-
$3,174 SGD
View
B+
Retailer 13
-
$3,180 SGD
View
B+
Retailer 14
-
$3,180 SGD
View
A
Retailer 15
-
$3,193 SGD
View
B+
Retailer 16
-
$3,295 SGD
View
B+
Retailer 17
-
$3,520 SGD
View
B+
Retailer 18
-
$3,537 SGD
View
B+
Retailer 19
-
$3,707 SGD
View
B+
Retailer 20
-
$3,709 SGD
View
Retailer 21
-
$3,894 SGD
View
Price last confirmed 30 days ago
Retailer 22
-
$5,247 SGD
View
Price last confirmed 18 days ago
Most Expensive
B
NZ Jewellers
620f33cf-fbfa-4f26-948a-5e308fd4b90e · Nov 5
$6,349 SGD
$4,971 USD
View
22 more retailers have this diamond
Prices start from $2,304 SGDSave up to $4,045 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
$2,304 SGD