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Round|Natural|GIA

1.00ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 6562391418

Certificate GIA 6562391418

Diamond specifications and retailer prices

From $2,258 SGD
HK$13,800 HKD
As of October 31, 2026
Save $3,009 SGD (57%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $5,267 SGD at MOH London · As of October 26, 2026
View at MOH London

About this 1ct natural round diamond

This 1ct natural round sits in the classic one-carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6562391418. Listed at 13 retailers as of October 26, 2026, with prices from $2,258 to $5,267, a $3,009 spread on the same certified stone. MOH London lists it at $5,267. 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
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6562391418
Dimensions6.32 × 6.37 × 3.96 mm
L/W Ratio1.01
Top View
6.32 mm6.37 mm1.00 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6562391418
Side View
Table 59.0%Crown 36°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.5%

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: Oct 31
Current: $5,267 SGD|Low: $2,242 SGD|High: $5,583 SGD|Avg: $3,367 SGD|-5.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 31, 2026
Retailer 5$2,258 SGD
Retailer 2$2,291 SGD
Retailer 12$2,713 SGD
Retailer 8$2,897 SGD
Retailer 10$2,998 SGD
Retailer 4$3,151 SGD
Retailer 11$3,180 SGD
Retailer 7$3,276 SGD
Retailer 9$3,579 SGD
Retailer 6$3,690 SGD
Retailer 3$4,381 SGD
MOH London$5,267 SGD

23 data points across 12 retailers

13 retailers$2,258 SGD to $5,267 SGD

A
Cheapest Retailer
-
$2,258 SGD
HK$13,800 HKD
A
Retailer 2
-
$2,291 SGD
₹170,683 INR
View
A
Retailer 3
-
$2,713 SGD
$2,122 USD
View
A
Retailer 4
-
$2,897 SGD
£1,784 GBP
View
A
Retailer 5
-
$2,998 SGD
$2,345 USD
View
B+
Retailer 6
-
$3,151 SGD
View
B+
Retailer 7
-
$3,180 SGD
$2,488 USD
View
B+
Retailer 8
-
$3,276 SGD
£2,018 GBP
View
B+
Retailer 9
-
$3,579 SGD
€2,666 EUR
View
B+
Retailer 10
-
$3,690 SGD
ZAR 46,627 ZAR
View
Retailer 11
-
$3,877 SGD
A$4,666 AUD
View
Price last confirmed 23 days ago
B+
Retailer 12
-
$4,381 SGD
$3,427 USD
View
Most Expensive
B
MOH London
F1A604DBC · Oct 26
$5,267 SGD
£3,244 GBP
View
12 more retailers have this diamond
Prices start from $2,258 SGDSave up to $3,009 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
$2,258 SGD