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Cushion|Natural|GIA

1.51ct I IF Cushion Natural Diamond

EX • I/IF • GIA 6425009330

Certificate GIA 6425009330

Diamond specifications and retailer prices

From $13,500 NZD
As of November 4, 2026
Save $5,410 NZD (29%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $18,910 NZD at Jared · As of November 4, 2026
View at Jared

About this 1.51ct natural cushion diamond

This 1.51ct natural cushion sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6425009330. Listed at 7 retailers as of November 4, 2026, with prices from $13,500 to $18,910, a $5,410 spread on the same certified stone. Jared lists it at $18,910. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
I
Colour
IF
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6425009330
Dimensions7.00 × 6.55 × 4.34 mm
L/W Ratio1.07
Top View
7.00 mm6.55 mm1.51 ctI / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6425009330
Side View
Table 68.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 66.2%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $18,910 NZD|Low: $13,367 NZD|High: $18,910 NZD|Avg: $17,401 NZD
Jared
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 5, 2026
Retailer 3$13,500 NZD
Retailer 4$17,275 NZD
Retailer 2$17,978 NZD
Retailer 5$18,305 NZD
Retailer 6$18,305 NZD
Jared$18,910 NZD

32 data points across 6 retailers

7 retailers$13,500 NZD to $18,910 NZD

B+
Cheapest Retailer
-
$13,500 NZD
B+
Retailer 2
-
$14,953 NZD
View
B
Retailer 3
-
$17,275 NZD
View
B
Retailer 4
-
$17,978 NZD
View
B
Retailer 5
-
$18,305 NZD
View
B
Retailer 6
-
$18,305 NZD
View
Most Expensive
B
Jared
144073961 · Nov 4
$18,910 NZD
$10,630 USD
View
6 more retailers have this diamond
Prices start from $13,500 NZDSave up to $5,410 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.

B+
1.51ct Cushion
$13,500 NZD