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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 $3,134 NZD
HK$13,800 HKD
As of November 1, 2026
Save $4,165 NZD (57%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $7,299 NZD at MOH London · As of November 1, 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 November 1, 2026, with prices from $3,134 to $7,299, a $4,165 spread on the same certified stone. MOH London lists it at $7,299. 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: Nov 1
Current: $7,299 NZD|Low: $3,111 NZD|High: $7,749 NZD|Avg: $4,672 NZD|-5.8%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 1, 2026
Retailer 8$3,134 NZD
Retailer 2$3,179 NZD
Retailer 12$3,765 NZD
Retailer 6$4,009 NZD
Retailer 10$4,161 NZD
Retailer 4$4,374 NZD
Retailer 11$4,414 NZD
Retailer 7$4,509 NZD
Retailer 5$4,931 NZD
Retailer 9$5,121 NZD
Retailer 3$6,081 NZD
MOH London$7,299 NZD

23 data points across 12 retailers

13 retailers$3,134 NZD to $7,299 NZD

A
Cheapest Retailer
-
$3,134 NZD
HK$13,800 HKD
A
Retailer 2
-
$3,179 NZD
₹170,646 INR
View
A
Retailer 3
-
$3,765 NZD
$2,122 USD
View
A
Retailer 4
-
$4,009 NZD
£1,779 GBP
View
A
Retailer 5
-
$4,161 NZD
$2,345 USD
View
B+
Retailer 6
-
$4,374 NZD
SGD 3,331 SGD
View
B+
Retailer 7
-
$4,414 NZD
$2,488 USD
View
B+
Retailer 8
-
$4,509 NZD
£2,001 GBP
View
B+
Retailer 9
-
$4,931 NZD
€2,647 EUR
View
B+
Retailer 10
-
$5,121 NZD
ZAR 46,627 ZAR
View
Retailer 11
-
$5,381 NZD
A$4,666 AUD
View
Price last confirmed 25 days ago
B+
Retailer 12
-
$6,081 NZD
$3,427 USD
View
Most Expensive
B
MOH London
F1A604DBC · Nov 1
$7,299 NZD
£3,239 GBP
View
12 more retailers have this diamond
Prices start from $3,134 NZDSave up to $4,165 NZD

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
$3,134 NZD