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Cushion|Natural|GIA

1.00ct E SI1 Cushion Natural Diamond

EX • E/SI1 • GIA 6551048681

Certificate GIA 6551048681

Diamond specifications and retailer prices

From HK$13,457 HKD
As of October 30, 2026
Save HK$18,179 HKD (57%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: HK$31,636 HKD at MOH London · As of October 25, 2026
View at MOH London

About this 1ct natural cushion diamond

This 1ct natural cushion sits in the classic one-carat band, graded E 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 6551048681. Listed at 17 retailers as of October 25, 2026, with prices from HK$13,457 to HK$31,636, a HK$18,179 spread on the same certified stone. MOH London lists it at HK$31,636. 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
E
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6551048681
Dimensions6.63 × 5.10 × 3.51 mm
L/W Ratio1.30
Top View
6.63 mm5.10 mm1.00 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryGood
FluorescenceNone
CertificateGIA 6551048681
Side View
Table 62.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 68.7%

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 30
Current: HK$31,636 HKD|Low: HK$13,457 HKD|High: HK$32,851 HKD|Avg: HK$19,957 HKD|-3.4%
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
October 30, 2026
Retailer 16HK$13,457 HKD
Retailer 2HK$14,400 HKD
Retailer 7HK$16,134 HKD
Retailer 5HK$16,633 HKD
Retailer 3HK$16,853 HKD
Retailer 13HK$17,339 HKD
Retailer 9HK$17,642 HKD
Retailer 15HK$18,029 HKD
Retailer 6HK$18,828 HKD
Retailer 14HK$19,126 HKD
Retailer 4HK$19,701 HKD
Retailer 10HK$19,789 HKD
Retailer 12HK$21,957 HKD
Retailer 11HK$22,490 HKD
Retailer 8HK$22,809 HKD
MOH LondonHK$31,636 HKD

24 data points across 16 retailers

17 retailersHK$13,457 HKD to HK$31,636 HKD

A
Cheapest Retailer
-
HK$13,457 HKD
A
Retailer 2
-
HK$14,400 HKD
₹174,804 INR
View
A
Retailer 3
-
HK$16,134 HKD
SGD 2,779 SGD
View
A
Retailer 4
-
HK$16,633 HKD
$2,120 USD
View
Final sale: no returns
A
Retailer 5
-
HK$16,853 HKD
$2,148 USD
View
B+
Retailer 6
-
HK$17,339 HKD
$2,210 USD
View
B+
Retailer 7
-
HK$17,370 HKD
$2,214 USD
View
A
Retailer 8
-
HK$17,642 HKD
£1,771 GBP
View
B+
Retailer 9
-
HK$18,029 HKD
$2,298 USD
View
B+
Retailer 10
-
HK$18,828 HKD
SGD 3,243 SGD
View
B+
Retailer 11
-
HK$19,126 HKD
$2,438 USD
View
B+
Retailer 12
-
HK$19,701 HKD
$2,511 USD
View
B+
Retailer 13
-
HK$19,789 HKD
£1,986 GBP
View
B+
Retailer 14
-
HK$21,957 HKD
ZAR 45,211 ZAR
View
B+
Retailer 15
-
HK$22,490 HKD
€2,730 EUR
View
Retailer 16
-
HK$22,809 HKD
A$4,473 AUD
View
Price last confirmed 23 days ago
Most Expensive
B
MOH London
100B3F5F7 · Oct 25
HK$31,636 HKD
£3,175 GBP
View
16 more retailers have this diamond
Prices start from HK$13,457 HKDSave up to HK$18,179 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$13,457 HKD