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Round|Natural|GIA

1.51ct G IF Round Natural Diamond

EX • G/IF • GIA 1568089020

Certificate GIA 1568089020

Diamond specifications and retailer prices

From $18,122 AUD
As of November 5, 2026
Save $11,116 AUD (38%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $29,238 AUD at MOH London · As of November 2, 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 1568089020. Listed at 10 retailers as of November 2, 2026, with prices from $18,122 to $29,238, a $11,116 spread on the same certified stone. MOH London lists it at $29,238. 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 angle33.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 1568089020
Dimensions7.35 × 7.40 × 4.48 mm
L/W Ratio1.01
Girdle conditionSlightly Thick
Top View
7.35 mm7.40 mm1.51 ctG / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1568089020
Side View
Table 59.0%Crown 33.5°GirdlePavilion 41°CuletDepth 60.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $29,238 AUD|Low: $18,111 AUD|High: $30,010 AUD|Avg: $22,528 AUD|-2.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 5, 2026
Retailer 2$18,122 AUD
Retailer 3$20,053 AUD
Retailer 6$20,105 AUD
Retailer 5$20,278 AUD
Retailer 4$25,689 AUD
MOH London$29,238 AUD

38 data points across 6 retailers

10 retailers$18,122 AUD to $29,238 AUD

A
Cheapest Retailer
-
$18,122 AUD
A
Retailer 2
-
$20,053 AUD
View
Retailer 3
-
$20,105 AUD
View
Price last confirmed 14 days ago
A
Retailer 4
-
$20,278 AUD
View
Retailer 5
-
$22,355 AUD
View
Price last confirmed 38 days ago
Retailer 6
-
$22,705 AUD
View
Price last confirmed 44 days ago
Retailer 7
-
$22,705 AUD
View
Price last confirmed 29 days ago
B+
Retailer 8
-
$25,689 AUD
View
Retailer 9
-
$26,897 AUD
View
Price last confirmed 46 days ago
Most Expensive
B+
MOH London
30E26D318 · Nov 2
$29,238 AUD
£16,116 GBP
View
9 more retailers have this diamond
Prices start from $18,122 AUDSave up to $11,116 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
$18,122 AUD