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Round|Natural|GIA

1.00ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 1558936352

Certificate GIA 1558936352

Diamond specifications and retailer prices

From $2,487 AUD
₹166,373 INR
As of November 1, 2026
Save $8,413 AUD (77%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $10,900 AUD 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 1558936352. Listed at 14 retailers as of November 1, 2026, with prices from $2,487 to $10,900, a $8,413 spread on the same certified stone. MOH London lists it at $10,900. 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
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1558936352
Dimensions6.35 × 6.40 × 4.01 mm
L/W Ratio1.01
Culet sizeNone
Top View
6.35 mm6.40 mm1.00 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1558936352
Side View
Table 55.0%CrownGirdle: THN-MEDPavilionCulet: NoneDepth 62.9%

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: $10,900 AUD|Low: $2,487 AUD|High: $10,900 AUD|Avg: $3,908 AUD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 1, 2026
Retailer 2$2,487 AUD
Retailer 8$2,897 AUD
Retailer 6$3,417 AUD
Retailer 4$3,596 AUD
Retailer 7$3,858 AUD
Retailer 5$4,030 AUD
Retailer 12$4,102 AUD
Retailer 13$6,163 AUD
Retailer 3$6,318 AUD
Retailer 11$6,456 AUD
Retailer 9$6,585 AUD
Retailer 10$6,845 AUD
Retailer 14$7,612 AUD
MOH London$10,900 AUD

38 data points across 14 retailers

14 retailers$2,487 AUD to $10,900 AUD

A
Cheapest Retailer
-
$2,487 AUD
₹166,373 INR
A
Retailer 2
-
$2,897 AUD
$2,035 USD
View
B+
Retailer 3
-
$3,417 AUD
$2,400 USD
View
B+
Retailer 4
-
$3,596 AUD
$2,526 USD
View
B+
Retailer 5
-
$3,858 AUD
€2,581 EUR
View
B+
Retailer 6
-
$4,030 AUD
ZAR 45,730 ZAR
View
B+
Retailer 7
-
$4,102 AUD
£2,269 GBP
View
B
Retailer 8
-
$6,163 AUD
$4,329 USD
View
B
Retailer 9
-
$6,318 AUD
$4,438 USD
View
Final sale: no returns
B
Retailer 10
-
$6,456 AUD
$4,535 USD
View
B
Retailer 11
-
$6,585 AUD
£3,642 GBP
View
B
Retailer 12
-
$6,845 AUD
$4,808 USD
View
B
Retailer 13
-
$7,612 AUD
£4,210 GBP
View
Most Expensive
B
MOH London
1A7257153 · Nov 1
$10,900 AUD
£6,029 GBP
View
13 more retailers have this diamond
Prices start from $2,487 AUDSave up to $8,413 AUD

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
$2,487 AUD