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Round|Natural|GIA

1.51ct G IF Round Natural Diamond

EX • G/IF • GIA 6561381853

Certificate GIA 6561381853

Diamond specifications and retailer prices

From $15,278 AUD
As of November 4, 2026
Save $5,493 AUD (26%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $27,351 AUD at MOH London · As of October 17, 2026
View at MOH London

About this 1.51ct natural round diamond

This 1.51ct natural round sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 6561381853. Listed at 11 retailers as of November 4, 2026, with a 36% 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

1.51
Carat
G
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 6561381853
Dimensions7.25 × 7.30 × 4.56 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Top View
7.25 mm7.30 mm1.51 ctG / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6561381853
Side View
Table 57.0%Crown 36°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.7%

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 4
Current: $27,351 AUD|Low: $15,158 AUD|High: $27,496 AUD|Avg: $19,447 AUD|-0.5%
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
Retailer 17
November 4, 2026
Retailer 7$15,158 AUD
Retailer 11$15,278 AUD
Retailer 4$16,048 AUD
Retailer 9$16,169 AUD
Retailer 8$16,835 AUD
Retailer 17$17,749 AUD
Retailer 5$18,369 AUD
Retailer 14$18,950 AUD
Retailer 13$19,545 AUD
Retailer 2$20,099 AUD
Retailer 10$20,099 AUD
Retailer 12$20,770 AUD
Retailer 16$20,929 AUD
Retailer 6$21,923 AUD
Retailer 3$24,499 AUD
Retailer 15$25,283 AUD
MOH London$27,351 AUD

10 data points across 17 retailers

11 retailers$15,278 AUD to $20,770 AUD

Retailer 1
-
$15,158 AUD
Price last confirmed 20 days ago
A
Retailer 2
-
$15,278 AUD
View
Retailer 3
-
$16,048 AUD
View
Price last confirmed 21 days ago
Retailer 4
-
$16,419 AUD
View
Price last confirmed 22 days ago
Retailer 5
-
$18,950 AUD
View
Price last confirmed 19 days ago
Retailer 6
-
$19,545 AUD
View
Price last confirmed 8 days ago
A
Retailer 7
-
$20,099 AUD
View
A
Retailer 8
-
$20,099 AUD
View
A
Retailer 9
-
$20,770 AUD
View
Retailer 10
-
$25,283 AUD
View
Price last confirmed 20 days ago
Most Expensive
MOH London
41CAA6DE4 · Oct 17
$27,351 AUD
£15,076 GBP
View
Price last confirmed 19 days ago
10 more retailers have this diamond
Prices start from $15,278 AUDSave up to $5,493 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
1.51ct Round
$15,278 AUD