Cushion|Natural|GIA

1.51ct L SI1 Cushion Natural Diamond

EX • L/SI1 • GIA 1545440058

Certificate GIA 1545440058

Diamond specifications and retailer prices

From $2,230 USD
As of November 6, 2026
Save $1,210 USD (35%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $3,440 USD at Yorxs · As of November 3, 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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1545440058. Listed at 4 retailers as of November 3, 2026, with prices from $2,230 to $3,440, a $1,210 spread on the same certified stone. Yorxs lists it at $3,440. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.51
Carat
L
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1545440058
Dimensions8.11 × 5.70 × 3.84 mm
L/W Ratio1.42
Key to symbols
Feather, Crystal, Needle, Natural
Top View
8.11 mm5.70 mm1.51 ctL / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateGIA 1545440058
Side View
Table 65.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 67.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: $2,230 USD|Low: $2,230 USD|High: $3,570 USD|Avg: $2,939 USD|-1.9%
Retailer 1
Retailer 2
Retailer 3
Yorxs
November 6, 2026
Retailer 1$2,230 USD
Retailer 3$2,696 USD
Retailer 2$3,123 USD
Yorxs$3,440 USD

44 data points across 4 retailers

4 retailers$2,230 USD to $3,440 USD

A
Cheapest Retailer
-
$2,230 USD
B+
Retailer 2
-
$2,696 USD
View
B
Retailer 3
-
$3,123 USD
View
Most Expensive
B
Yorxs
F0083F818 · Nov 3
$3,440 USD
€3,276 EUR
View
3 more retailers have this diamond
Prices start from $2,230 USDSave up to $1,210 USD

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 Cushion
$2,230 USD