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Round|Natural|GIA

1.55ct G IF Round Natural Diamond

EX • G/IF • GIA 6512611153

Certificate GIA 6512611153

Diamond specifications and retailer prices

From $17,640 AUD
CA$17,210 CAD
As of October 30, 2026
Save $11,535 AUD (40%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $29,175 AUD at MOH London · As of November 1, 2026
View at MOH London

About this 1.55ct natural round diamond

This 1.55ct 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 6512611153. Listed at 14 retailers as of October 30, 2026, with prices from $17,640 to $29,175, a $11,535 spread on the same certified stone. MOH London lists it at $29,175. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
G
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 6512611153
Dimensions7.42 × 7.37 × 4.53 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
7.42 mm7.37 mm1.55 ctG / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6512611153
Side View
Table 60.0%Crown 33.5°Girdle: Slightly ThickPavilion 41.4°Culet: NoneDepth 61.5%

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 30
Current: $29,175 AUD|Low: $17,640 AUD|High: $31,175 AUD|Avg: $23,692 AUD|-5.4%
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 2, 2026
Retailer 8$17,640 AUD
Retailer 4$17,902 AUD
Retailer 11$19,613 AUD
Retailer 2$19,997 AUD
Retailer 9$20,215 AUD
Retailer 6$21,553 AUD
Retailer 10$21,553 AUD
Retailer 13$21,875 AUD
Retailer 12$22,124 AUD
Retailer 14$22,279 AUD
Retailer 3$22,433 AUD
Retailer 7$23,538 AUD
Retailer 5$26,465 AUD
MOH London$29,175 AUD

41 data points across 14 retailers

14 retailers$17,640 AUD to $29,175 AUD

A
Cheapest Retailer
-
$17,640 AUD
CA$17,210 CAD
A
Retailer 2
-
$17,902 AUD
$12,575 USD
View
Final sale: no returns
A
Retailer 3
-
$19,613 AUD
$13,777 USD
View
A
Retailer 4
-
$19,997 AUD
£11,060 GBP
View
A
Retailer 5
-
$20,215 AUD
$14,200 USD
View
B+
Retailer 6
-
$21,553 AUD
$15,140 USD
View
B+
Retailer 7
-
$21,553 AUD
$15,140 USD
View
B+
Retailer 8
-
$21,875 AUD
$15,366 USD
View
B+
Retailer 9
-
$22,124 AUD
$15,541 USD
View
B+
Retailer 10
-
$22,279 AUD
$15,650 USD
View
B+
Retailer 11
-
$22,433 AUD
£12,408 GBP
View
B+
Retailer 12
-
$23,538 AUD
€15,747 EUR
View
B+
Retailer 13
-
$26,465 AUD
$18,590 USD
View
Most Expensive
B+
MOH London
C7CA9168B · Nov 1
$29,175 AUD
£16,137 GBP
View
13 more retailers have this diamond
Prices start from $17,640 AUDSave up to $11,535 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
1.55ct Round
$17,640 AUD