Cushion|Natural|GIA

1.53ct K SI1 Cushion Natural Diamond

EX • K/SI1 • GIA 5553442094

Certificate GIA 5553442094

Diamond specifications and retailer prices

From $3,994 NZD
As of November 6, 2026
Save $4,728 NZD (54%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $8,722 NZD at MOH London · As of November 4, 2026
View at MOH London

About this 1.53ct natural cushion diamond

This 1.53ct natural cushion sits in the one-and-a-half to two carat band, graded K 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 5553442094. Listed at 15 retailers as of November 4, 2026, with prices from $3,994 to $8,722, a $4,728 spread on the same certified stone. MOH London lists it at $8,722. 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

1.53
Carat
K
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5553442094
Dimensions7.55 × 5.78 × 4.21 mm
L/W Ratio1.31
Girdle conditionFaceted
Top View
7.55 mm5.78 mm1.53 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5553442094
Side View
Table 67.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 72.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $8,722 NZD|Low: $3,925 NZD|High: $9,381 NZD|Avg: $5,968 NZD|-7.0%
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
November 7, 2026
Retailer 3$3,994 NZD
Retailer 10$4,575 NZD
Retailer 12$4,825 NZD
Retailer 13$5,022 NZD
Retailer 7$5,024 NZD
Retailer 4$5,446 NZD
Retailer 6$5,489 NZD
Retailer 9$5,547 NZD
Retailer 2$5,549 NZD
Retailer 8$6,086 NZD
Retailer 5$6,151 NZD
Retailer 11$6,380 NZD
Retailer 14$8,406 NZD
MOH London$8,722 NZD

30 data points across 14 retailers

15 retailers$3,994 NZD to $8,722 NZD

A
Cheapest Retailer
-
$3,994 NZD
A
Retailer 2
-
$4,575 NZD
View
A
Retailer 3
-
$4,825 NZD
View
Final sale: no returns
A
Retailer 4
-
$5,022 NZD
View
A
Retailer 5
-
$5,024 NZD
View
A
Retailer 6
-
$5,446 NZD
View
A
Retailer 7
-
$5,489 NZD
View
A
Retailer 8
-
$5,547 NZD
View
A
Retailer 9
-
$5,549 NZD
View
B+
Retailer 10
-
$5,754 NZD
View
A
Retailer 11
-
$6,086 NZD
View
B+
Retailer 12
-
$6,151 NZD
View
B+
Retailer 13
-
$6,380 NZD
View
B
Retailer 14
-
$8,406 NZD
View
Most Expensive
B+
MOH London
F3F6790F5 · Nov 4
$8,722 NZD
£3,807 GBP
View
14 more retailers have this diamond
Prices start from $3,994 NZDSave up to $4,728 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.

A
1.53ct Cushion
$3,994 NZD