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Cushion|Natural|GIA

1.51ct L SI1 Cushion Natural Diamond

EX • L/SI1 • GIA 5413577117

Certificate GIA 5413577117

Diamond specifications and retailer prices

From $2,254 SGD
As of November 6, 2026
Save $1,928 SGD (46%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $4,182 SGD 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 $2,254 to $4,182, a $1,928 spread on the same certified stone. Yorxs lists it at $4,182. 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
Colour
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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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $3,255 SGD|Low: $2,563 SGD|High: $4,207 SGD|Avg: $3,399 SGD|+27.0%
Retailer 1
Retailer 2
Yorxs
November 6, 2026
Retailer 1$3,255 SGD
Retailer 2$3,298 SGD
Yorxs$4,182 SGD

42 data points across 3 retailers

3 retailers$2,254 SGD to $4,182 SGD

B+
Cheapest Retailer
-
$2,254 SGD
B
Retailer 2
-
$3,255 SGD
View
Most Expensive
B
Yorxs
1DEC745DC · Nov 6
$4,182 SGD
€3,108 EUR
View
2 more retailers have this diamond
Prices start from $2,254 SGDSave up to $1,928 SGD

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
$2,254 SGD