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Round|Natural|GIA

1.00ct G SI1 Round Natural Diamond

VG • G/SI1 • GIA 6551874408

Certificate GIA 6551874408

Diamond specifications and retailer prices

From $3,254 NZD
As of November 5, 2026
Save $5,713 NZD (64%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $8,967 NZD 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 24 retailers as of November 5, 2026, with prices from $3,254 to $8,967, a $5,713 spread on the same certified stone. NZ Jewellers lists it at $8,967. 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $8,967 NZD|Low: $3,094 NZD|High: $9,342 NZD|Avg: $4,767 NZD|-4.0%
NZ Jewellers
Retailer 2
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Retailer 27
November 6, 2026
Retailer 16$3,189 NZD
Retailer 6$3,254 NZD
Retailer 13$3,509 NZD
Retailer 11$3,586 NZD
Retailer 3$3,781 NZD
Retailer 14$3,864 NZD
Retailer 9$3,886 NZD
Retailer 12$3,898 NZD
Retailer 25$3,923 NZD
Retailer 19$3,945 NZD
Retailer 2$4,064 NZD
Retailer 22$4,104 NZD
Retailer 18$4,208 NZD
Retailer 15$4,225 NZD
Retailer 8$4,255 NZD
Retailer 4$4,483 NZD
Retailer 5$4,492 NZD
Retailer 10$4,492 NZD
Retailer 26$4,510 NZD
Retailer 24$4,654 NZD
Retailer 23$4,972 NZD
Retailer 27$4,995 NZD
Retailer 7$5,235 NZD
Retailer 21$5,239 NZD
Retailer 20$5,500 NZD
Retailer 17$7,410 NZD
NZ Jewellers$8,967 NZD

19 data points across 27 retailers

24 retailers$3,254 NZD to $8,967 NZD

A
Cheapest Retailer
-
$3,254 NZD
A
Retailer 2
-
$3,509 NZD
View
A
Retailer 3
-
$3,586 NZD
View
Final sale: no returns
A
Retailer 4
-
$3,781 NZD
View
A
Retailer 5
-
$3,886 NZD
View
A
Retailer 6
-
$3,923 NZD
View
Retailer 7
-
$3,945 NZD
View
Price last confirmed 22 days ago
A
Retailer 8
-
$4,064 NZD
View
B+
Retailer 9
-
$4,104 NZD
View
Retailer 10
-
$4,208 NZD
View
Price last confirmed 21 days ago
Retailer 11
-
$4,225 NZD
View
Price last confirmed 16 days ago
A
Retailer 12
-
$4,255 NZD
View
A
Retailer 13
-
$4,483 NZD
View
B+
Retailer 14
-
$4,492 NZD
View
B+
Retailer 15
-
$4,492 NZD
View
A
Retailer 16
-
$4,510 NZD
View
B+
Retailer 17
-
$4,654 NZD
View
B+
Retailer 18
-
$4,972 NZD
View
B+
Retailer 19
-
$4,995 NZD
View
B+
Retailer 20
-
$5,235 NZD
View
B+
Retailer 21
-
$5,239 NZD
View
Retailer 22
-
$5,500 NZD
View
Price last confirmed 30 days ago
Retailer 23
-
$7,410 NZD
View
Price last confirmed 18 days ago
Most Expensive
B
NZ Jewellers
620f33cf-fbfa-4f26-948a-5e308fd4b90e · Nov 5
$8,967 NZD
$4,971 USD
View
23 more retailers have this diamond
Prices start from $3,254 NZDSave up to $5,713 NZD

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
$3,254 NZD