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Cushion|Natural|GIA

1.05ct D SI1 Cushion Natural Diamond

ID • D/SI1 • GIA 1242087047

Certificate GIA 1242087047

Diamond specifications and retailer prices

From HK$11,549 HKD
As of November 1, 2026
Save HK$16,470 HKD (59%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: HK$28,019 HKD at MOH London · As of November 1, 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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1242087047. Listed at 17 retailers as of November 1, 2026, with prices from HK$11,549 to HK$28,019, a HK$16,470 spread on the same certified stone. MOH London lists it at HK$28,019. 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
D
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1242087047
Dimensions5.70 × 5.63 × 3.85 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
5.70 mm5.63 mm1.05 ctD / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1242087047
Side View
Table 63.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 68.3%

Caratlytics Score

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

Price History

Last verified: Nov 1
Current: HK$28,019 HKD|Low: HK$11,549 HKD|High: HK$31,227 HKD|Avg: HK$17,611 HKD|-10.3%
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
November 1, 2026
Retailer 11HK$11,549 HKD
Retailer 9HK$13,102 HKD
Retailer 14HK$14,127 HKD
Retailer 16HK$14,766 HKD
Retailer 2HK$14,923 HKD
Retailer 4HK$15,064 HKD
Retailer 5HK$15,354 HKD
Retailer 13HK$15,602 HKD
Retailer 15HK$15,604 HKD
Retailer 8HK$16,221 HKD
Retailer 12HK$16,571 HKD
Retailer 7HK$16,970 HKD
Retailer 10HK$18,359 HKD
Retailer 3HK$19,835 HKD
Retailer 17HK$22,037 HKD
Retailer 6HK$25,011 HKD
MOH LondonHK$28,019 HKD

18 data points across 17 retailers

17 retailersHK$11,549 HKD to HK$28,019 HKD

A
Cheapest Retailer
-
HK$11,549 HKD
Retailer 2
-
HK$13,102 HKD
$1,670 USD
View
Price last confirmed 11 days ago
A
Retailer 3
-
HK$14,127 HKD
€1,715 EUR
View
A
Retailer 4
-
HK$14,766 HKD
$1,882 USD
View
Final sale: no returns
A
Retailer 5
-
HK$14,923 HKD
$1,902 USD
View
A
Retailer 6
-
HK$15,064 HKD
$1,920 USD
View
A
Retailer 7
-
HK$15,354 HKD
$1,957 USD
View
A
Retailer 8
-
HK$15,602 HKD
£1,566 GBP
View
A
Retailer 9
-
HK$15,604 HKD
£1,566 GBP
View
A
Retailer 10
-
HK$16,221 HKD
SGD 2,794 SGD
View
A
Retailer 11
-
HK$16,571 HKD
$2,112 USD
View
A
Retailer 12
-
HK$16,970 HKD
$2,163 USD
View
A
Retailer 13
-
HK$18,359 HKD
$2,340 USD
View
A
Retailer 14
-
HK$19,835 HKD
ZAR 40,843 ZAR
View
B+
Retailer 15
-
HK$22,037 HKD
€2,675 EUR
View
B+
Retailer 16
-
HK$25,011 HKD
$3,188 USD
View
Most Expensive
B+
MOH London
CECF82447 · Nov 1
HK$28,019 HKD
£2,812 GBP
View
16 more retailers have this diamond
Prices start from HK$11,549 HKDSave up to HK$16,470 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$11,549 HKD