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Cushion|Natural|GIA

1.00ct D SI1 Cushion Natural Diamond

EX • D/SI1 • GIA 2231437679

Certificate GIA 2231437679

Diamond specifications and retailer prices

From HK$23,483 HKD
$2,993 USD
As of November 1, 2026
Save HK$22,503 HKD (49%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: HK$45,986 HKD at MOH London · As of November 1, 2026
View at MOH London

About this 1ct natural cushion diamond

This 1ct 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 2231437679. Listed at 15 retailers as of November 1, 2026, with prices from HK$23,483 to HK$45,986, a HK$22,503 spread on the same certified stone. MOH London lists it at HK$45,986. 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

1.00
Carat
D
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2231437679
Dimensions8.09 × 5.21 × 3.31 mm
L/W Ratio1.55
Cert comments
NO BGM-Additional clouds are not shown.
Key to symbols
Cloud, Indented Natural
Top View
8.09 mm5.21 mm1.00 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2231437679
Side View
Table 58.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 63.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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$45,986 HKD|Low: HK$20,621 HKD|High: HK$46,544 HKD|Avg: HK$28,294 HKD|-0.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 8HK$20,686 HKD
Retailer 4HK$23,483 HKD
Retailer 12HK$24,409 HKD
Retailer 9HK$25,382 HKD
Retailer 3HK$26,481 HKD
Retailer 2HK$26,823 HKD
Retailer 10HK$27,501 HKD
Retailer 6HK$28,740 HKD
Retailer 11HK$29,486 HKD
Retailer 5HK$32,187 HKD
Retailer 7HK$33,802 HKD
MOH LondonHK$45,986 HKD

32 data points across 12 retailers

15 retailersHK$23,483 HKD to HK$45,986 HKD

Retailer 1
-
HK$20,686 HKD
₹251,089 INR
Price last confirmed 10 days ago
Retailer 2
-
HK$22,558 HKD
$2,875 USD
View
Price last confirmed 9 days ago
B+
Retailer 3
-
HK$23,483 HKD
$2,993 USD
View
B+
Retailer 4
-
HK$24,409 HKD
$3,111 USD
View
B+
Retailer 5
-
HK$25,382 HKD
$3,235 USD
View
Final sale: no returns
B+
Retailer 6
-
HK$26,481 HKD
$3,375 USD
View
B+
Retailer 7
-
HK$26,823 HKD
£2,692 GBP
View
Retailer 8
-
HK$27,501 HKD
$3,505 USD
View
Price last confirmed 25 days ago
B
Retailer 9
-
HK$28,637 HKD
$3,650 USD
View
B+
Retailer 10
-
HK$28,740 HKD
£2,884 GBP
View
Retailer 11
-
HK$29,486 HKD
A$5,782 AUD
View
Price last confirmed 29 days ago
B
Retailer 12
-
HK$30,118 HKD
$3,839 USD
View
B
Retailer 13
-
HK$32,187 HKD
€3,907 EUR
View
B
Retailer 14
-
HK$33,802 HKD
ZAR 69,599 ZAR
View
Most Expensive
B
MOH London
83D39CF69 · Nov 1
HK$45,986 HKD
£4,615 GBP
View
14 more retailers have this diamond
Prices start from HK$23,483 HKDSave up to HK$22,503 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.

B+
1.00ct Cushion
HK$23,483 HKD