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Cushion|Lab Grown|GIA

3.64ct E SI1 Cushion Lab Grown Diamond

EX • E/SI1

Diamond specifications and retailer prices

From HK$10,364 HKD
$1,321 USD
As of October 30, 2026
Save HK$16,738 HKD (62%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: HK$27,102 HKD at Diamond Exchange Canada · As of October 30, 2026
View at Diamond Exchange Canada

About this 3.64ct lab-grown cushion diamond

This 3.64ct lab-grown cushion sits in the three to five 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. Listed at 3 retailers as of October 30, 2026, with prices from HK$10,364 to HK$27,102, a HK$16,738 spread on the same certified stone. Diamond Exchange Canada lists it at HK$27,102. 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

3.64
Carat
E
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabGIA
Dimensions9.81 × 8.65 × 5.72 mm
L/W Ratio1.13
Top View
9.81 mm8.65 mm3.64 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA
Side View
Table 62.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 66.1%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 30
Current: HK$27,102 HKD|Low: HK$9,587 HKD|High: HK$27,102 HKD|Avg: HK$17,325 HKD
Diamond Exchange Canada
Retailer 2
Retailer 3
October 30, 2026
Retailer 3HK$10,364 HKD
Retailer 2HK$14,306 HKD
Diamond Exchange CanadaHK$27,102 HKD

40 data points across 3 retailers

3 retailersHK$10,364 HKD to HK$27,102 HKD

B+
Cheapest Retailer
-
HK$10,364 HKD
$1,321 USD
B+
Retailer 2
-
HK$14,306 HKD
£1,436 GBP
View
Most Expensive
B
Diamond Exchange Canada
1986529020 · Oct 30
HK$27,102 HKD
CA$4,798 CAD
View
2 more retailers have this diamond
Prices start from HK$10,364 HKDSave up to HK$16,738 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+
3.64ct Cushion
HK$10,364 HKD