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Cushion|Lab Grown|IGI

1.51ct F SI1 Cushion Lab Grown Diamond

ID • F/SI1 • IGI LG581338943

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG581338943

Diamond specifications and retailer prices

From HK$14,045 HKD
$1,790 USD
As of October 28, 2026
4 retailers carry this diamond
Most expensive: HK$14,045 HKD at Do Amore Diamonds
View at Do Amore Diamonds

About this 1.51ct lab-grown cushion diamond

This 1.51ct lab-grown cushion sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG581338943 or 581338943. Listed at 4 retailers as of October 28, 2026. 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

1.51
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG581338943
Dimensions7.98 × 6.04 × 4.08 mm
L/W Ratio1.32
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.98 mm6.04 mm1.51 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG581338943
Side View
Table 60.0%Crown 34.3°Girdle: MED-THKPavilion 39.5°Culet: NoneDepth 67.5%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 28
Current: HK$14,045 HKD|Low: HK$3,115 HKD|High: HK$14,672 HKD|Avg: HK$6,686 HKD|-4.3%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 25, 2026
Retailer 4HK$3,186 HKD
Retailer 8HK$3,511 HKD
Retailer 7HK$4,276 HKD
Retailer 5HK$4,865 HKD
Retailer 6HK$6,054 HKD
Retailer 3HK$6,473 HKD
Retailer 9HK$8,866 HKD
Retailer 2HK$9,377 HKD
Do Amore DiamondsHK$14,045 HKD

11 data points across 9 retailers

4 retailers

Retailer 1
-
HK$3,186 HKD
$406 USD
Price last confirmed 8 days ago
Retailer 2
-
HK$6,473 HKD
$825 USD
View
Price last confirmed 12 days ago
Retailer 3
-
HK$9,377 HKD
£941 GBP
View
Price last confirmed 7 days ago
Most Expensive
B
Do Amore Diamonds
27-8E5D63679 · Oct 28
HK$14,045 HKD
$1,790 USD
View
3 more retailers have this diamond

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
1.51ct Cushion
HK$14,045 HKD