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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 HK$10,804 HKD
$1,377 USD
As of November 1, 2026
Save HK$11,736 HKD (52%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: HK$22,540 HKD 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 HK$10,804 to HK$22,540, a HK$11,736 spread on the same certified stone. MOH London lists it at HK$22,540. 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: HK$22,540 HKD|Low: HK$10,843 HKD|High: HK$22,809 HKD|Avg: HK$15,087 HKD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 3, 2026
Retailer 6HK$10,843 HKD
Retailer 5HK$11,659 HKD
Retailer 7HK$12,004 HKD
Retailer 3HK$14,295 HKD
Retailer 4HK$16,788 HKD
Retailer 2HK$17,498 HKD
MOH LondonHK$22,540 HKD

43 data points across 7 retailers

12 retailersHK$10,804 HKD to HK$22,540 HKD

A
Cheapest Retailer
-
HK$10,804 HKD
$1,377 USD
A
Retailer 2
-
HK$10,843 HKD
$1,382 USD
View
A
Retailer 3
-
HK$11,153 HKD
A$2,187 AUD
View
A
Retailer 4
-
HK$11,243 HKD
$1,433 USD
View
B+
Retailer 5
-
HK$11,659 HKD
$1,486 USD
View
B+
Retailer 6
-
HK$12,004 HKD
$1,530 USD
View
B+
Retailer 7
-
HK$12,280 HKD
$1,565 USD
View
B+
Retailer 8
-
HK$14,099 HKD
$1,797 USD
View
B+
Retailer 9
-
HK$14,295 HKD
£1,435 GBP
View
Retailer 10
-
HK$16,788 HKD
A$3,292 AUD
View
Price last confirmed 29 days ago
B+
Retailer 11
-
HK$17,498 HKD
€2,124 EUR
View
Most Expensive
B
MOH London
FFDE4FBC7 · Nov 2
HK$22,540 HKD
£2,262 GBP
View
11 more retailers have this diamond
Prices start from HK$10,804 HKDSave up to HK$11,736 HKD

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
HK$10,804 HKD