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Round|Natural|GIA

1.00ct E SI2 Round Natural Diamond

EX • E/SI2 • GIA 6552641292

Certificate GIA 6552641292

Diamond specifications and retailer prices

From $1,778 SGD
As of November 5, 2026
Save $1,586 SGD (47%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $3,364 SGD at Wholesale Diamonds Direct · As of November 4, 2026
View at Wholesale Diamonds Direct

About this 1ct natural round diamond

This 1ct natural round sits in the classic one-carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6552641292. Listed at 7 retailers as of November 4, 2026, with prices from $1,778 to $3,364, a $1,586 spread on the same certified stone. Wholesale Diamonds Direct lists it at $3,364. 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
E
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 6552641292
Dimensions6.35 × 3.99 × 3.99 mm
L/W Ratio1.59
Culet sizeNone
Top View
6.35 mm3.99 mm1.00 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6552641292
Side View
Table 58.0%Crown 35°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 62.6%

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: $1,778 SGD|Low: $1,530 SGD|High: $3,547 SGD|Avg: $2,552 SGD|-2.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Wholesale Diamonds Direct
November 5, 2026
Retailer 6$1,530 SGD
Retailer 1$1,778 SGD
Retailer 5$2,065 SGD
Retailer 4$2,202 SGD
Retailer 9$2,555 SGD
Retailer 2$2,611 SGD
Retailer 3$2,685 SGD
Retailer 8$3,128 SGD
Retailer 7$3,220 SGD
Wholesale Diamonds Direct$3,364 SGD

17 data points across 10 retailers

7 retailers$1,778 SGD to $3,364 SGD

A
Cheapest Retailer
-
$1,778 SGD
A
Retailer 2
-
$2,065 SGD
View
A
Retailer 3
-
$2,202 SGD
View
A
Retailer 4
-
$2,555 SGD
View
A
Retailer 5
-
$2,611 SGD
View
A
Retailer 6
-
$2,685 SGD
View
Most Expensive
A
Wholesale Diamonds Direct
594048675 · Nov 4
$3,364 SGD
$2,634 USD
View
6 more retailers have this diamond
Prices start from $1,778 SGDSave up to $1,586 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
$1,778 SGD