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Cushion|Lab Grown|IGI

3.53ct D SI1 Cushion Lab Grown Diamond

EX • D/SI1 • IGI LG660451469

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG660451469

Diamond specifications and retailer prices

From HK$6,073 HKD
$774 USD
As of October 31, 2026
Save HK$42,100 HKD (87%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: HK$48,173 HKD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 3.53ct lab-grown cushion diamond

This 3.53ct lab-grown cushion sits in the three to five carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG660451469 or 660451469. Listed at 11 retailers as of October 31, 2026, with prices from HK$6,073 to HK$48,173, a HK$42,100 spread on the same certified stone. Do Amore Diamonds lists it at HK$48,173. 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

3.53
Carat
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG660451469
Dimensions10.99 × 7.81 × 5.35 mm
L/W Ratio1.41
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.99 mm7.81 mm3.53 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG660451469
Side View
Table 64.0%Crown 33.8°Girdle: MED-STKPavilion 39.2°Culet: NoneDepth 68.5%

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$48,173 HKD|Low: HK$6,073 HKD|High: HK$55,234 HKD|Avg: HK$16,828 HKD|-12.8%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 9HK$6,073 HKD
Retailer 5HK$7,689 HKD
Retailer 10HK$8,881 HKD
Retailer 8HK$9,407 HKD
Retailer 6HK$10,178 HKD
Retailer 2HK$10,644 HKD
Retailer 11HK$11,094 HKD
Retailer 7HK$21,495 HKD
Retailer 3HK$24,840 HKD
Retailer 4HK$26,176 HKD
Do Amore DiamondsHK$48,173 HKD

23 data points across 11 retailers

11 retailersHK$6,073 HKD to HK$48,173 HKD

A
Cheapest Retailer
-
HK$6,073 HKD
$774 USD
Final sale: no returns
A
Retailer 2
-
HK$7,689 HKD
$980 USD
View
A
Retailer 3
-
HK$8,881 HKD
$1,132 USD
View
A
Retailer 4
-
HK$9,407 HKD
$1,199 USD
View
Retailer 5
-
HK$10,178 HKD
£1,021 GBP
View
Price last confirmed 15 days ago
A
Retailer 6
-
HK$10,644 HKD
£1,068 GBP
View
B+
Retailer 7
-
HK$11,094 HKD
$1,414 USD
View
B
Retailer 8
-
HK$21,495 HKD
$2,740 USD
View
B
Retailer 9
-
HK$24,840 HKD
$3,166 USD
View
B
Retailer 10
-
HK$26,176 HKD
£2,627 GBP
View
Most Expensive
B
Do Amore Diamonds
27-E2DE8C48D · Oct 31
HK$48,173 HKD
$6,140 USD
View
10 more retailers have this diamond
Prices start from HK$6,073 HKDSave up to HK$42,100 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
3.53ct Cushion
HK$6,073 HKD