Cushion|Natural|GIA

1.51ct L SI1 Cushion Natural Diamond

EX • L/SI1 • GIA 5413577117

Certificate GIA 5413577117

Diamond specifications and retailer prices

From $1,759 USD
As of November 6, 2026
Save $1,504 USD (46%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $3,263 USD 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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5413577117. Listed at 3 retailers as of November 6, 2026, with prices from $1,759 to $3,263, a $1,504 spread on the same certified stone. Yorxs lists it at $3,263. 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
SymmetryGood
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 5413577117
Dimensions6.64 × 6.11 × 4.11 mm
L/W Ratio1.09
Top View
6.64 mm6.11 mm1.51 ctL / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryGood
FluorescenceFaint
CertificateGIA 5413577117
Side View
Table 66.0%CrownGirdle: VTK-ETKPavilionCulet: NoneDepth 67.3%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 6
Current: $2,540 USD|Low: $2,000 USD|High: $3,282 USD|Avg: $2,652 USD|+27.0%
Retailer 1
Retailer 2
Yorxs
November 6, 2026
Retailer 1$2,540 USD
Retailer 2$2,573 USD
Yorxs$3,263 USD

42 data points across 3 retailers

3 retailers$1,759 USD to $3,263 USD

B+
Cheapest Retailer
-
$1,759 USD
B
Retailer 2
-
$2,540 USD
View
Most Expensive
B
Yorxs
1DEC745DC · Nov 6
$3,263 USD
€3,108 EUR
View
2 more retailers have this diamond
Prices start from $1,759 USDSave up to $1,504 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.

B+
1.51ct Cushion
$1,759 USD