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Round|Natural|GIA

1.20ct H IF Round Natural Diamond

EX • H/IF • GIA 2566123886

Certificate GIA 2566123886

Diamond specifications and retailer prices

From $4,938 AUD
As of November 6, 2026
Save $14,039 AUD (74%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $20,315 AUD at MOH London · As of November 2, 2026
View at MOH London

About this 1.2ct natural round diamond

This 1.2ct natural round sits in the classic one-carat band, graded H colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 2566123886. Listed at 15 retailers as of November 6, 2026, with a 284% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.20
Carat
H
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 2566123886
Dimensions6.72 × 6.78 × 4.25 mm
L/W Ratio1.01
Culet sizeNone
Top View
6.72 mm6.78 mm1.20 ctH / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 2566123886
Side View
Table 59.0%CrownGirdle: MED-STKPavilionCulet: 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 6
Current: $20,315 AUD|Low: $4,938 AUD|High: $20,315 AUD|Avg: $9,657 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
Retailer 15
Retailer 16
November 6, 2026
Retailer 9$4,938 AUD
Retailer 13$5,603 AUD
Retailer 7$6,989 AUD
Retailer 11$7,012 AUD
Retailer 12$7,484 AUD
Retailer 8$8,364 AUD
Retailer 3$13,934 AUD
Retailer 4$14,205 AUD
Retailer 14$14,359 AUD
Retailer 6$15,555 AUD
Retailer 5$15,592 AUD
Retailer 15$15,794 AUD
Retailer 2$17,584 AUD
Retailer 16$17,948 AUD
Retailer 10$18,977 AUD
MOH London$20,315 AUD

31 data points across 16 retailers

15 retailers$4,938 AUD to $18,977 AUD

A
Cheapest Retailer
-
$4,938 AUD
A
Retailer 2
-
$5,603 AUD
View
B+
Retailer 3
-
$6,989 AUD
View
A
Retailer 4
-
$7,012 AUD
View
B+
Retailer 5
-
$7,484 AUD
View
B
Retailer 6
-
$13,934 AUD
View
B
Retailer 7
-
$14,205 AUD
View
B
Retailer 8
-
$14,359 AUD
View
Final sale: no returns
B
Retailer 9
-
$15,555 AUD
View
B
Retailer 10
-
$15,592 AUD
View
B
Retailer 11
-
$15,794 AUD
View
B
Retailer 12
-
$17,584 AUD
View
B
Retailer 13
-
$17,948 AUD
View
B
Retailer 14
-
$18,977 AUD
View
Most Expensive
MOH London
B6831D085 · Nov 2
$20,315 AUD
£10,991 GBP
View
Price under review
14 more retailers have this diamond
Prices start from $4,938 AUDSave up to $14,039 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
1.20ct Round
$4,938 AUD