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Cushion|Natural|GIA

1.51ct L SI2 Cushion Natural Diamond

GD • L/SI2 • GIA 2554510619

Certificate GIA 2554510619

Diamond specifications and retailer prices

From $4,174 NZD
As of November 6, 2026
Save $1,565 NZD (27%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $5,739 NZD at Yorxs · As of November 6, 2026
View at Yorxs

About this 1.51ct natural cushion diamond

This 1.51ct natural cushion sits in the one-and-a-half to two carat band, graded L colour (faint-tinted) and SI2 clarity (slightly-included), with a standard cut grade stated by the retailer rather than the lab and certified by GIA 2554510619. Listed at 8 retailers as of November 6, 2026, with prices from $4,174 to $5,739, a $1,565 spread on the same certified stone. Yorxs lists it at $5,739. 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
L
Colour
SI2
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2554510619
Dimensions7.83 × 5.81 × 4.02 mm
L/W Ratio1.35
Culet sizeNone
Key to symbols
Twinning Wisp, Feather, Crystal, Needle
Top View
7.83 mm5.81 mm1.51 ctL / SI2
OriginNatural
CutGood
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 2554510619
Side View
Table 67.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 69.2%

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 6
Current: $4,667 NZD|Low: $3,841 NZD|High: $5,773 NZD|Avg: $4,674 NZD|+6.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Yorxs
November 6, 2026
Retailer 6$4,174 NZD
Retailer 4$4,351 NZD
Retailer 3$4,622 NZD
Retailer 1$4,667 NZD
Retailer 7$4,800 NZD
Retailer 5$4,874 NZD
Retailer 2$4,890 NZD
Yorxs$5,739 NZD

43 data points across 8 retailers

8 retailers$4,174 NZD to $5,739 NZD

B+
Cheapest Retailer
-
$4,174 NZD
B+
Retailer 2
-
$4,351 NZD
View
Retailer 3
-
$4,622 NZD
View
Price last confirmed 9 days ago
B
Retailer 4
-
$4,667 NZD
View
B
Retailer 5
-
$4,800 NZD
View
B
Retailer 6
-
$4,874 NZD
View
B
Retailer 7
-
$4,890 NZD
View
Most Expensive
C
Yorxs
3EB0BD655 · Nov 6
$5,739 NZD
€3,030 EUR
View
7 more retailers have this diamond
Prices start from $4,174 NZDSave up to $1,565 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
$4,174 NZD