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Cushion|Lab Grown|IGI

3.07ct E SI1 Cushion Lab Grown Diamond

GD • E/SI1 • IGI LG638405018

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG638405018

Diamond specifications and retailer prices

From HK$7,022 HKD
$895 USD
As of October 29, 2026
Save HK$32,442 HKD (82%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: HK$39,464 HKD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 3.07ct lab-grown cushion diamond

This 3.07ct lab-grown cushion sits in the three to five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a standard cut grade and certified by IGI LG638405018 or 638405018. Listed at 6 retailers as of October 29, 2026, with prices from HK$7,022 to HK$39,464, a HK$32,442 spread on the same certified stone. Do Amore Diamonds lists it at HK$39,464. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

3.07
Carat
E
Colour
SI1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG638405018
Dimensions8.47 × 8.42 × 5.67 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.47 mm8.42 mm3.07 ctE / SI1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG638405018
Side View
Table 61.0%Crown 35.6°Girdle: THN-STKPavilion 40.2°Culet: NoneDepth 67.3%

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 29
Current: HK$39,464 HKD|Low: HK$6,551 HKD|High: HK$39,464 HKD|Avg: HK$16,260 HKD|+5.5%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 29, 2026
Retailer 4HK$7,022 HKD
Retailer 5HK$7,681 HKD
Retailer 7HK$9,565 HKD
Retailer 6HK$10,702 HKD
Retailer 3HK$15,574 HKD
Retailer 2HK$24,123 HKD
Do Amore DiamondsHK$39,464 HKD

13 data points across 7 retailers

6 retailersHK$7,022 HKD to HK$39,464 HKD

B+
Cheapest Retailer
-
HK$7,022 HKD
$895 USD
B+
Retailer 2
-
HK$7,681 HKD
$979 USD
View
B
Retailer 3
-
HK$15,574 HKD
$1,985 USD
View
B
Retailer 4
-
HK$24,123 HKD
£2,421 GBP
View
C
Retailer 5
-
HK$37,424 HKD
$4,770 USD
View
Most Expensive
C
Do Amore Diamonds
27-540D42EEB · Oct 29
HK$39,464 HKD
$5,030 USD
View
5 more retailers have this diamond
Prices start from HK$7,022 HKDSave up to HK$32,442 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+
3.07ct Cushion
HK$7,022 HKD