Round|Natural|GIA

1.00ct G SI2 Round Natural Diamond

EX • G/SI2 • GIA 2537846404

Certificate GIA 2537846404

Diamond specifications and retailer prices

From $1,638 USD
As of November 6, 2026
Save $2,783 USD (63%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $4,421 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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2537846404. Listed at 19 retailers as of November 5, 2026, with prices from $1,638 to $4,421, a $2,783 spread on the same certified stone. NZ Jewellers lists it at $4,421. 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
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle34°
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 2537846404
Dimensions6.37 × 6.33 × 4.00 mm
L/W Ratio1.01
Top View
6.37 mm6.33 mm1.00 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2537846404
Side View
Table 60.0%Crown 34°Girdle: STK-STKPavilion 41.8°Culet: NoneDepth 62.9%

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 6
Current: $1,939 USD|Low: $1,625 USD|High: $3,749 USD|Avg: $2,250 USD|-1.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 7$1,638 USD
Retailer 3$1,646 USD
Retailer 1$1,939 USD
Retailer 8$1,951 USD
Retailer 4$1,969 USD
Retailer 9$2,212 USD
Retailer 2$2,284 USD
Retailer 5$2,802 USD
Retailer 6$3,704 USD

38 data points across 9 retailers

19 retailers$1,638 USD to $4,421 USD

A
Cheapest Retailer
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$1,638 USD
A
Retailer 2
-
$1,646 USD
View
A
Retailer 3
-
$1,877 USD
View
A
Retailer 4
-
$1,911 USD
View
A
Retailer 5
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$1,939 USD
View
A
Retailer 6
-
$1,951 USD
View
Final sale: no returns
A
Retailer 7
-
$1,969 USD
View
A
Retailer 8
-
$2,115 USD
View
Retailer 9
-
$2,115 USD
View
Price last confirmed 12 days ago
A
Retailer 10
-
$2,212 USD
View
A
Retailer 11
-
$2,253 USD
View
A
Retailer 12
-
$2,278 USD
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A
Retailer 13
-
$2,284 USD
View
A
Retailer 14
-
$2,318 USD
View
A
Retailer 15
-
$2,440 USD
View
B+
Retailer 16
-
$2,802 USD
View
B+
Retailer 17
-
$3,168 USD
View
B+
Retailer 18
-
$3,704 USD
View
Most Expensive
B
NZ Jewellers
7f6d7ef4-1a57-47d4-8e8b-460afe8277b9 · Nov 5
$4,421 USD
View
18 more retailers have this diamond
Prices start from $1,638 USDSave up to $2,783 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
$1,638 USD