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Round|Natural|GIA

1.51ct G IF Round Natural Diamond

VG • G/IF • GIA 2507160588

Certificate GIA 2507160588

Diamond specifications and retailer prices

From $12,835 AUD
As of November 4, 2026
Save $19,409 AUD (60%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $32,244 AUD at Diamond Quarter · As of November 5, 2026
View at Diamond Quarter

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 very-good cut grade and certified by GIA 2507160588. Listed at 19 retailers as of November 4, 2026, with prices from $12,835 to $32,244, a $19,409 spread on the same certified stone. Diamond Quarter lists it at $32,244. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.51
Carat
G
Colour
IF
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle35°
Pavilion angle42°
OriginNatural
Grading LabGIA
CertificateGIA 2507160588
Dimensions7.21 × 7.11 × 4.63 mm
L/W Ratio1.01
Star length55%
Lower girdle75%
Girdle conditionFaceted
Culet sizeNone
Top View
7.21 mm7.11 mm1.51 ctG / IF
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2507160588
Side View
Table 61.0%Crown 35°Girdle: STK-THKPavilion 42°Culet: NoneDepth 64.6%

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: $21,158 AUD|Low: $12,835 AUD|High: $24,170 AUD|Avg: $17,492 AUD|-1.8%
Retailer 1
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 6, 2026
Retailer 4$12,835 AUD
Retailer 11$13,139 AUD
Retailer 8$14,808 AUD
Retailer 2$14,852 AUD
Retailer 10$15,399 AUD
Retailer 14$15,792 AUD
Retailer 5$16,008 AUD
Retailer 7$16,008 AUD
Retailer 9$16,355 AUD
Retailer 17$17,342 AUD
Retailer 3$17,609 AUD
Retailer 6$17,755 AUD
Retailer 12$18,153 AUD
Retailer 16$20,010 AUD
Retailer 1$21,158 AUD
Retailer 13$22,587 AUD
Retailer 15$24,170 AUD

32 data points across 17 retailers

19 retailers$12,835 AUD to $32,244 AUD

A
Cheapest Retailer
-
$12,835 AUD
A
Retailer 2
-
$13,139 AUD
View
Retailer 3
-
$14,546 AUD
View
Price last confirmed 25 days ago
A
Retailer 4
-
$14,808 AUD
View
A
Retailer 5
-
$14,852 AUD
View
A
Retailer 6
-
$15,399 AUD
View
A
Retailer 7
-
$15,792 AUD
View
Retailer 8
-
$16,008 AUD
View
Price last confirmed 8 days ago
A
Retailer 9
-
$16,008 AUD
View
Final sale: no returns
Retailer 10
-
$16,355 AUD
View
Price last confirmed 14 days ago
A
Retailer 11
-
$17,342 AUD
View
A
Retailer 12
-
$17,609 AUD
View
A
Retailer 13
-
$17,755 AUD
View
A
Retailer 14
-
$18,153 AUD
View
B+
Retailer 15
-
$20,010 AUD
View
B+
Retailer 16
-
$21,158 AUD
View
B+
Retailer 17
-
$22,587 AUD
View
B+
Retailer 18
-
$24,170 AUD
View
Most Expensive
B
Diamond Quarter
1.51IFG2588394AN · Nov 5
$32,244 AUD
£17,773 GBP
View
18 more retailers have this diamond
Prices start from $12,835 AUDSave up to $19,409 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
$12,835 AUD