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Cushion|Natural|GIA

1.00ct D SI2 Cushion Natural Diamond

EX • D/SI2 • GIA 1186397700

Certificate GIA 1186397700

Diamond specifications and retailer prices

From HK$9,179 HKD
$1,170 USD
As of October 31, 2026
Save HK$11,586 HKD (56%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: HK$20,765 HKD at MOH London · As of October 29, 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 SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1186397700. Listed at 18 retailers as of October 29, 2026, with prices from HK$9,179 to HK$20,765, a HK$11,586 spread on the same certified stone. MOH London lists it at HK$20,765. 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
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1186397700
Dimensions5.87 × 5.72 × 3.69 mm
L/W Ratio1.03
Top View
5.87 mm5.72 mm1.00 ctD / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateGIA 1186397700
Side View
Table 63.0%CrownGirdle: Very ThickPavilionCulet: NDepth 64.6%

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: Oct 31
Current: HK$20,765 HKD|Low: HK$7,650 HKD|High: HK$40,262 HKD|Avg: HK$12,345 HKD|+0.4%
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
Retailer 18
October 31, 2026
Retailer 12HK$9,179 HKD
Retailer 15HK$9,258 HKD
Retailer 13HK$9,854 HKD
Retailer 7HK$9,893 HKD
Retailer 9HK$9,983 HKD
Retailer 4HK$10,152 HKD
Retailer 17HK$10,678 HKD
Retailer 3HK$11,227 HKD
Retailer 5HK$11,340 HKD
Retailer 8HK$11,557 HKD
Retailer 18HK$11,797 HKD
Retailer 10HK$12,381 HKD
Retailer 11HK$13,151 HKD
Retailer 16HK$13,315 HKD
Retailer 6HK$14,560 HKD
Retailer 2HK$16,097 HKD
Retailer 14HK$16,829 HKD
MOH LondonHK$20,765 HKD

44 data points across 18 retailers

18 retailersHK$9,179 HKD to HK$20,765 HKD

A
Cheapest Retailer
-
HK$9,179 HKD
$1,170 USD
A
Retailer 2
-
HK$9,258 HKD
$1,180 USD
View
A
Retailer 3
-
HK$9,854 HKD
$1,256 USD
View
Final sale: no returns
A
Retailer 4
-
HK$9,893 HKD
$1,261 USD
View
A
Retailer 5
-
HK$9,983 HKD
$1,272 USD
View
A
Retailer 6
-
HK$10,152 HKD
$1,294 USD
View
A
Retailer 7
-
HK$10,678 HKD
$1,361 USD
View
A
Retailer 8
-
HK$11,227 HKD
$1,431 USD
View
A
Retailer 9
-
HK$11,340 HKD
$1,445 USD
View
A
Retailer 10
-
HK$11,557 HKD
$1,473 USD
View
Retailer 11
-
HK$11,797 HKD
£1,184 GBP
View
Price last confirmed 32 days ago
A
Retailer 12
-
HK$12,381 HKD
$1,578 USD
View
A
Retailer 13
-
HK$13,151 HKD
£1,320 GBP
View
B+
Retailer 14
-
HK$13,315 HKD
$1,697 USD
View
B+
Retailer 15
-
HK$14,560 HKD
CA$2,577 CAD
View
B+
Retailer 16
-
HK$16,097 HKD
€1,954 EUR
View
B+
Retailer 17
-
HK$16,829 HKD
$2,145 USD
View
Most Expensive
B+
MOH London
ED67DCC65 · Oct 29
HK$20,765 HKD
£2,084 GBP
View
17 more retailers have this diamond
Prices start from HK$9,179 HKDSave up to HK$11,586 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
1.00ct Cushion
HK$9,179 HKD