Round|Natural|GIA

1.00ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 6562391418

Certificate GIA 6562391418

Diamond specifications and retailer prices

From $1,766 USD
HK$13,800 HKD
As of October 31, 2026
Save $2,353 USD (57%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $4,120 USD 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 $1,766 to $4,120, a $2,353 spread on the same certified stone. MOH London lists it at $4,120. 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
Color
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: $4,120 USD|Low: $1,754 USD|High: $4,368 USD|Avg: $2,634 USD|-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$1,766 USD
Retailer 2$1,792 USD
Retailer 12$2,122 USD
Retailer 8$2,266 USD
Retailer 10$2,345 USD
Retailer 4$2,465 USD
Retailer 11$2,488 USD
Retailer 7$2,562 USD
Retailer 9$2,799 USD
Retailer 6$2,886 USD
Retailer 3$3,427 USD
MOH London$4,120 USD

23 data points across 12 retailers

13 retailers$1,766 USD to $4,120 USD

A
Cheapest Retailer
-
$1,766 USD
HK$13,800 HKD
A
Retailer 2
-
$1,792 USD
₹170,683 INR
View
A
Retailer 3
-
$2,122 USD
View
A
Retailer 4
-
$2,266 USD
£1,784 GBP
View
A
Retailer 5
-
$2,345 USD
View
B+
Retailer 6
-
$2,465 USD
SGD 3,331 SGD
View
B+
Retailer 7
-
$2,488 USD
View
B+
Retailer 8
-
$2,562 USD
£2,018 GBP
View
B+
Retailer 9
-
$2,799 USD
€2,666 EUR
View
B+
Retailer 10
-
$2,886 USD
ZAR 46,627 ZAR
View
Retailer 11
-
$3,033 USD
A$4,666 AUD
View
Price last confirmed 23 days ago
B+
Retailer 12
-
$3,427 USD
View
Most Expensive
B
MOH London
F1A604DBC · Oct 26
$4,120 USD
£3,244 GBP
View
12 more retailers have this diamond
Prices start from $1,766 USDSave up to $2,353 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
$1,766 USD