Cushion|Natural|GIA

1.51ct J SI1 Cushion Natural Diamond

EX • J/SI1 • GIA 2516339828

Certificate GIA 2516339828

Diamond specifications and retailer prices

From $3,987 USD
Save $4,888 USD (55%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $8,875 USD at MOH London
View at MOH London

About this 1.51ct natural cushion diamond

This 1.51ct natural cushion sits in the one-and-a-half to two carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2516339828. Listed at 24 retailers, with prices from $3,987 to $8,875 at MOH London, a $4,888 spread on the same certified stone. 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
J
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.63°
Pavilion angle36.01°
OriginNatural
Grading LabGIA
CertificateGIA 2516339828
Dimensions7.68 × 5.91 × 4.11 mm
L/W Ratio1.30
Top View
7.68 mm5.91 mm1.51 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2516339828
Side View
Table 64.0%Crown 38.63°Girdle: STK-VTKPavilion 36.01°Culet: NoneDepth 69.5%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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See the detailed 0-100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 1
Current: $8,875 USD|Low: $3,987 USD|High: $8,875 USD|Avg: $5,311 USD|+1.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
October 1, 2026
Retailer 19$3,987 USD
Retailer 17$4,171 USD
Retailer 10$4,676 USD
Retailer 4$4,685 USD
Retailer 18$4,695 USD
Retailer 5$4,942 USD
Retailer 2$4,988 USD
Retailer 6$5,074 USD
Retailer 16$5,248 USD
Retailer 11$5,255 USD
Retailer 15$5,358 USD
Retailer 13$5,520 USD
Retailer 8$5,590 USD
Retailer 9$5,590 USD
Retailer 7$5,770 USD
Retailer 3$6,076 USD
Retailer 12$6,148 USD
Retailer 14$6,639 USD
MOH London$8,875 USD

33 data points across 19 retailers

24 retailers$3,987 USD to $8,875 USD

B+
Cheapest Retailer
-
$3,987 USD
B+
Retailer 2
-
$4,171 USD
View
B+
Retailer 3
-
$4,301 USD
View
B+
Retailer 4
-
$4,350 USD
View
B+
Retailer 5
-
$4,403 USD
View
B
Retailer 6
-
$4,676 USD
CA$6,495 CAD
View
B
Retailer 7
-
$4,685 USD
View
B
Retailer 8
-
$4,695 USD
View
B
Retailer 9
-
$4,942 USD
View
B
Retailer 10
-
$4,988 USD
View
B
Retailer 11
-
$5,074 USD
View
B
Retailer 12
-
$5,248 USD
View
B
Retailer 13
-
$5,255 USD
View
B
Retailer 14
-
$5,370 USD
£4,228 GBP
View
B
Retailer 15
-
$5,520 USD
A$8,493 AUD
View
B
Retailer 16
-
$5,590 USD
View
B
Retailer 17
-
$5,590 USD
View
B
Retailer 18
-
$5,770 USD
View
B
Retailer 19
-
$6,076 USD
View
B
Retailer 20
-
$6,148 USD
€5,855 EUR
View
B
Retailer 21
-
$6,342 USD
View
B
Retailer 22
-
$6,639 USD
ZAR 107,250 ZAR
View
B
Retailer 23
-
$7,973 USD
View
Most Expensive
B
MOH London
66A04432A · Oct 1
$8,875 USD
£6,988 GBP
View
23 more retailers have this diamond
Prices start from $3,987 USDSave up to $4,888 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.

B+
1.51ct Cushion
$3,987 USD