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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 $16,208 NZD
As of November 6, 2026
Save $24,510 NZD (60%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $40,718 NZD 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 5, 2026, with prices from $16,208 to $40,718, a $24,510 spread on the same certified stone. Diamond Quarter lists it at $40,718. 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 6
Current: $16,526 NZD|Low: $16,208 NZD|High: $30,522 NZD|Avg: $22,119 NZD|-5.1%
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$16,208 NZD
Retailer 1$16,526 NZD
Retailer 8$18,699 NZD
Retailer 2$18,755 NZD
Retailer 11$19,446 NZD
Retailer 14$19,942 NZD
Retailer 5$20,215 NZD
Retailer 7$20,215 NZD
Retailer 9$20,653 NZD
Retailer 17$21,899 NZD
Retailer 3$22,237 NZD
Retailer 6$22,421 NZD
Retailer 12$22,924 NZD
Retailer 16$25,269 NZD
Retailer 10$26,718 NZD
Retailer 13$28,523 NZD
Retailer 15$30,522 NZD

31 data points across 17 retailers

19 retailers$16,208 NZD to $40,718 NZD

A
Cheapest Retailer
-
$16,208 NZD
A
Retailer 2
-
$16,526 NZD
View
Retailer 3
-
$18,369 NZD
View
Price last confirmed 25 days ago
A
Retailer 4
-
$18,699 NZD
View
A
Retailer 5
-
$18,755 NZD
View
A
Retailer 6
-
$19,446 NZD
View
A
Retailer 7
-
$19,942 NZD
View
Retailer 8
-
$20,215 NZD
View
Price last confirmed 8 days ago
A
Retailer 9
-
$20,215 NZD
View
Final sale: no returns
Retailer 10
-
$20,653 NZD
View
Price last confirmed 14 days ago
A
Retailer 11
-
$21,899 NZD
View
A
Retailer 12
-
$22,237 NZD
View
A
Retailer 13
-
$22,421 NZD
View
A
Retailer 14
-
$22,924 NZD
View
B+
Retailer 15
-
$25,269 NZD
View
B+
Retailer 16
-
$26,718 NZD
View
B+
Retailer 17
-
$28,523 NZD
View
B+
Retailer 18
-
$30,522 NZD
View
Most Expensive
B
Diamond Quarter
1.51IFG2588394AN · Nov 5
$40,718 NZD
£17,773 GBP
View
18 more retailers have this diamond
Prices start from $16,208 NZDSave up to $24,510 NZD

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
$16,208 NZD