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Cushion|Natural|GIA

1.03ct H SI1 Cushion Natural Diamond

EX • H/SI1 • GIA 1558000551

Certificate GIA 1558000551

Diamond specifications and retailer prices

From $2,286 NZD
As of November 6, 2026
Save $2,800 NZD (55%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $5,086 NZD at MOH London · As of November 4, 2026
View at MOH London

About this 1.03ct natural cushion diamond

This 1.03ct natural cushion sits in the classic one-carat band, graded H 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 1558000551. Listed at 18 retailers as of November 4, 2026, with prices from $2,286 to $5,086, a $2,800 spread on the same certified stone. MOH London lists it at $5,086. 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

1.03
Carat
H
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1558000551
Dimensions6.44 × 5.11 × 3.52 mm
L/W Ratio1.26
Girdle conditionFaceted
Top View
6.44 mm5.11 mm1.03 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1558000551
Side View
Table 68.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 68.9%

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: $5,086 NZD|Low: $2,262 NZD|High: $5,246 NZD|Avg: $3,159 NZD|-3.1%
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
November 6, 2026
Retailer 4$2,286 NZD
Retailer 14$2,412 NZD
Retailer 15$2,554 NZD
Retailer 6$2,562 NZD
Retailer 2$2,686 NZD
Retailer 8$2,706 NZD
Retailer 10$2,706 NZD
Retailer 3$2,760 NZD
Retailer 7$2,892 NZD
Retailer 5$3,014 NZD
Retailer 9$3,162 NZD
Retailer 12$3,200 NZD
Retailer 13$3,521 NZD
Retailer 11$3,918 NZD
Retailer 16$4,708 NZD
MOH London$5,086 NZD

23 data points across 16 retailers

18 retailers$2,286 NZD to $5,086 NZD

A
Cheapest Retailer
-
$2,286 NZD
A
Retailer 2
-
$2,412 NZD
View
Final sale: no returns
A
Retailer 3
-
$2,554 NZD
View
A
Retailer 4
-
$2,562 NZD
View
A
Retailer 5
-
$2,686 NZD
View
A
Retailer 6
-
$2,706 NZD
View
A
Retailer 7
-
$2,706 NZD
View
A
Retailer 8
-
$2,760 NZD
View
A
Retailer 9
-
$2,892 NZD
View
A
Retailer 10
-
$3,014 NZD
View
A
Retailer 11
-
$3,162 NZD
View
A
Retailer 12
-
$3,200 NZD
View
B+
Retailer 13
-
$3,467 NZD
View
A
Retailer 14
-
$3,521 NZD
View
B+
Retailer 15
-
$3,918 NZD
View
Retailer 16
-
$3,965 NZD
View
Price last confirmed 33 days ago
B+
Retailer 17
-
$4,708 NZD
View
Most Expensive
B+
MOH London
55261932A · Nov 4
$5,086 NZD
£2,220 GBP
View
17 more retailers have this diamond
Prices start from $2,286 NZDSave up to $2,800 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
1.03ct Cushion
$2,286 NZD