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Cushion|Natural|GIA

1.05ct J SI1 Cushion Natural Diamond

ID • J/SI1 • GIA 2235390877

Certificate GIA 2235390877

Diamond specifications and retailer prices

From $2,448 NZD
$1,377 USD
As of November 1, 2026
Save $2,659 NZD (52%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $5,108 NZD at MOH London · As of November 2, 2026
View at MOH London

About this 1.05ct natural cushion diamond

This 1.05ct natural cushion sits in the classic one-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 2235390877. Listed at 12 retailers as of November 1, 2026, with prices from $2,448 to $5,108, a $2,659 spread on the same certified stone. MOH London lists it at $5,108. 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

1.05
Carat
J
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2235390877
Dimensions6.08 × 5.45 × 3.74 mm
L/W Ratio1.12
Girdle conditionFaceted
Top View
6.08 mm5.45 mm1.05 ctJ / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2235390877
Side View
Table 62.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 68.5%

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 1
Current: $5,108 NZD|Low: $2,457 NZD|High: $5,169 NZD|Avg: $3,421 NZD|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 3, 2026
Retailer 6$2,457 NZD
Retailer 5$2,642 NZD
Retailer 7$2,720 NZD
Retailer 3$3,239 NZD
Retailer 4$3,804 NZD
Retailer 2$3,965 NZD
MOH London$5,108 NZD

44 data points across 7 retailers

12 retailers$2,448 NZD to $5,108 NZD

A
Cheapest Retailer
-
$2,448 NZD
$1,377 USD
A
Retailer 2
-
$2,457 NZD
$1,382 USD
View
A
Retailer 3
-
$2,527 NZD
A$2,187 AUD
View
A
Retailer 4
-
$2,548 NZD
$1,433 USD
View
B+
Retailer 5
-
$2,642 NZD
$1,486 USD
View
B+
Retailer 6
-
$2,720 NZD
$1,530 USD
View
B+
Retailer 7
-
$2,783 NZD
$1,565 USD
View
B+
Retailer 8
-
$3,195 NZD
$1,797 USD
View
B+
Retailer 9
-
$3,239 NZD
£1,435 GBP
View
Retailer 10
-
$3,804 NZD
A$3,292 AUD
View
Price last confirmed 29 days ago
B+
Retailer 11
-
$3,965 NZD
€2,124 EUR
View
Most Expensive
B
MOH London
FFDE4FBC7 · Nov 2
$5,108 NZD
£2,262 GBP
View
11 more retailers have this diamond
Prices start from $2,448 NZDSave up to $2,659 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
1.05ct Cushion
$2,448 NZD