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Round|Natural|GIA

1.03ct F SI1 Round Natural Diamond

EX • F/SI1 • GIA 1565178690

Certificate GIA 1565178690

Diamond specifications and retailer prices

From $3,117 AUD
₹208,508 INR
As of October 28, 2026
Save $6,335 AUD (67%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $13,788 AUD at MOH London · As of October 29, 2026
View at MOH London

About this 1.03ct natural round diamond

This 1.03ct natural round sits in the classic one-carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1565178690. Listed at 12 retailers as of October 28, 2026, with a 203% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

1.03
Carat
F
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1565178690
Dimensions6.39 × 6.43 × 4.01 mm
L/W Ratio1.01
Culet sizeNone
Top View
6.39 mm6.43 mm1.03 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1565178690
Side View
Table 57.0%CrownGirdle: MED-STKPavilionCulet: 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 28
Current: $13,788 AUD|Low: $3,106 AUD|High: $13,788 AUD|Avg: $4,679 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
October 30, 2026
Retailer 10$3,117 AUD
Retailer 4$3,744 AUD
Retailer 3$4,200 AUD
Retailer 11$4,446 AUD
Retailer 5$4,861 AUD
Retailer 2$4,966 AUD
Retailer 12$5,029 AUD
Retailer 6$8,641 AUD
Retailer 7$9,008 AUD
Retailer 9$9,307 AUD
Retailer 8$9,451 AUD
MOH London$13,788 AUD

41 data points across 12 retailers

12 retailers$3,117 AUD to $9,451 AUD

A
Cheapest Retailer
-
$3,117 AUD
₹208,508 INR
Retailer 2
-
$3,744 AUD
$2,630 USD
View
Price last confirmed 15 days ago
B+
Retailer 3
-
$4,200 AUD
$2,950 USD
View
B+
Retailer 4
-
$4,446 AUD
$3,123 USD
View
B+
Retailer 5
-
$4,861 AUD
€3,252 EUR
View
B+
Retailer 6
-
$4,966 AUD
£2,747 GBP
View
B+
Retailer 7
-
$5,029 AUD
ZAR 57,067 ZAR
View
B
Retailer 8
-
$8,641 AUD
$6,070 USD
View
B
Retailer 9
-
$9,008 AUD
£4,982 GBP
View
B
Retailer 10
-
$9,307 AUD
$6,538 USD
View
B
Retailer 11
-
$9,451 AUD
$6,639 USD
View
Most Expensive
MOH London
8689F6FE5 · Oct 29
$13,788 AUD
£7,626 GBP
View
Price under review
11 more retailers have this diamond
Prices start from $3,117 AUDSave up to $6,335 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
1.03ct Round
$3,117 AUD