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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 $1,804 USD
As of November 5, 2026
Save $3,167 USD (64%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $4,971 USD 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 $1,804 to $4,971, a $3,167 spread on the same certified stone. NZ Jewellers lists it at $4,971. 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
Color
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: $4,971 USD|Low: $1,715 USD|High: $5,874 USD|Avg: $2,653 USD|-4.0%
NZ Jewellers
Retailer 2
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Retailer 26
November 6, 2026
Retailer 14$1,768 USD
Retailer 4$1,804 USD
Retailer 9$1,988 USD
Retailer 25$2,096 USD
Retailer 11$2,142 USD
Retailer 7$2,154 USD
Retailer 10$2,161 USD
Retailer 22$2,175 USD
Retailer 18$2,187 USD
Retailer 13$2,275 USD
Retailer 16$2,333 USD
Retailer 12$2,342 USD
Retailer 6$2,359 USD
Retailer 17$2,440 USD
Retailer 26$2,485 USD
Retailer 3$2,490 USD
Retailer 8$2,490 USD
Retailer 23$2,500 USD
Retailer 21$2,580 USD
Retailer 20$2,756 USD
Retailer 24$2,769 USD
Retailer 5$2,902 USD
Retailer 2$2,904 USD
Retailer 19$3,049 USD
Retailer 15$4,108 USD
NZ Jewellers$4,971 USD

19 data points across 26 retailers

23 retailers$1,804 USD to $4,971 USD

A
Cheapest Retailer
-
$1,804 USD
A
Retailer 2
-
$1,988 USD
View
Final sale: no returns
A
Retailer 3
-
$2,096 USD
View
A
Retailer 4
-
$2,154 USD
View
A
Retailer 5
-
$2,175 USD
View
Retailer 6
-
$2,187 USD
View
Price last confirmed 22 days ago
B+
Retailer 7
-
$2,275 USD
View
Retailer 8
-
$2,333 USD
View
Price last confirmed 21 days ago
Retailer 9
-
$2,342 USD
View
Price last confirmed 16 days ago
A
Retailer 10
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$2,359 USD
View
Retailer 11
-
$2,440 USD
View
Price last confirmed 22 days ago
A
Retailer 12
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$2,485 USD
View
B+
Retailer 13
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$2,490 USD
View
B+
Retailer 14
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$2,490 USD
View
A
Retailer 15
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$2,500 USD
View
B+
Retailer 16
-
$2,580 USD
View
B+
Retailer 17
-
$2,756 USD
View
B+
Retailer 18
-
$2,769 USD
View
B+
Retailer 19
-
$2,902 USD
View
B+
Retailer 20
-
$2,904 USD
View
Retailer 21
-
$3,049 USD
View
Price last confirmed 30 days ago
Retailer 22
-
$4,108 USD
View
Price last confirmed 18 days ago
Most Expensive
B
NZ Jewellers
620f33cf-fbfa-4f26-948a-5e308fd4b90e · Nov 5
$4,971 USD
View
22 more retailers have this diamond
Prices start from $1,804 USDSave up to $3,167 USD

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
$1,804 USD