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Cushion|Natural|GIA

1.02ct D SI1 Cushion Natural Diamond

EX • D/SI1 • GIA 1377937186

Certificate GIA 1377937186

Diamond specifications and retailer prices

From HK$21,404 HKD
$2,728 USD
As of October 31, 2026
Save HK$9,381 HKD (30%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$30,785 HKD at Yorxs · As of October 31, 2026
View at Yorxs

About this 1.02ct natural cushion diamond

This 1.02ct 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 1377937186. Listed at 16 retailers as of October 31, 2026, with prices from HK$21,404 to HK$30,785, a HK$9,381 spread on the same certified stone. Yorxs lists it at HK$30,785. 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

1.02
Carat
D
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 1377937186
Dimensions5.94 × 5.75 × 3.64 mm
L/W Ratio1.03
Culet sizeNone
Top View
5.94 mm5.75 mm1.02 ctD / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceMedium
CertificateGIA 1377937186
Side View
Table 60.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 63.3%

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: Oct 31
Current: HK$27,524 HKD|Low: HK$21,128 HKD|High: HK$35,616 HKD|Avg: HK$25,779 HKD|+3.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Yorxs
November 1, 2026
Retailer 6HK$21,128 HKD
Retailer 5HK$21,404 HKD
Retailer 3HK$21,890 HKD
Retailer 2HK$23,792 HKD
Retailer 7HK$24,133 HKD
Retailer 4HK$25,750 HKD
Retailer 1HK$27,524 HKD
YorxsHK$30,785 HKD
Retailer 8HK$35,616 HKD

41 data points across 9 retailers

16 retailersHK$21,404 HKD to HK$30,785 HKD

B+
Cheapest Retailer
-
HK$21,404 HKD
$2,728 USD
B+
Retailer 2
-
HK$21,890 HKD
$2,790 USD
View
B+
Retailer 3
-
HK$22,329 HKD
$2,846 USD
View
B+
Retailer 4
-
HK$22,870 HKD
$2,915 USD
View
B+
Retailer 5
-
HK$23,792 HKD
SGD 4,098 SGD
View
B+
Retailer 6
-
HK$23,981 HKD
$3,057 USD
View
B
Retailer 7
-
HK$24,133 HKD
$3,076 USD
View
B+
Retailer 8
-
HK$25,750 HKD
$3,282 USD
View
B+
Retailer 9
-
HK$25,971 HKD
CA$4,598 CAD
View
B
Retailer 10
-
HK$27,146 HKD
$3,460 USD
View
B
Retailer 11
-
HK$27,146 HKD
$3,460 USD
View
B
Retailer 12
-
HK$27,524 HKD
£2,762 GBP
View
B
Retailer 13
-
HK$27,609 HKD
$3,519 USD
View
B
Retailer 14
-
HK$28,088 HKD
$3,580 USD
View
B
Retailer 15
-
HK$30,599 HKD
$3,900 USD
View
Most Expensive
B
Yorxs
518485380 · Oct 31
HK$30,785 HKD
€3,737 EUR
View
15 more retailers have this diamond
Prices start from HK$21,404 HKDSave up to HK$9,381 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+
1.02ct Cushion
HK$21,404 HKD