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Cushion|Lab Grown|IGI

1.51ct E IF Cushion Lab Grown Diamond

ID • E/IF • IGI LG801691956

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG801691956

Diamond specifications and retailer prices

From HK$5,155 HKD
$657 USD
As of October 30, 2026
Save HK$19,616 HKD (79%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$24,771 HKD at MOH London · As of November 1, 2026
View at MOH London

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 E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG801691956 or 801691956. Listed at 16 retailers as of October 30, 2026, with prices from HK$5,155 to HK$24,771, a HK$19,616 spread on the same certified stone. MOH London lists it at HK$24,771. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.5°
Pavilion angle32.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG801691956
Dimensions8.65 × 5.62 × 3.48 mm
L/W Ratio1.54
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.65 mm5.62 mm1.51 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG801691956
Side View
Table 64.0%Crown 39.5°Girdle: MED-THKPavilion 32.8°Culet: NoneDepth 61.9%

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$24,771 HKD|Low: HK$5,155 HKD|High: HK$25,070 HKD|Avg: HK$12,394 HKD|+3.0%
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
November 1, 2026
Retailer 14HK$5,155 HKD
Retailer 3HK$5,704 HKD
Retailer 2HK$5,874 HKD
Retailer 13HK$6,590 HKD
Retailer 12HK$7,650 HKD
Retailer 5HK$7,956 HKD
Retailer 4HK$8,748 HKD
Retailer 9HK$8,844 HKD
Retailer 11HK$9,805 HKD
Retailer 10HK$13,290 HKD
Retailer 7HK$16,620 HKD
Retailer 8HK$18,021 HKD
Retailer 16HK$18,210 HKD
Retailer 6HK$18,467 HKD
Retailer 15HK$19,039 HKD
MOH LondonHK$24,771 HKD

42 data points across 16 retailers

16 retailersHK$5,155 HKD to HK$24,771 HKD

A
Cheapest Retailer
-
HK$5,155 HKD
$657 USD
Final sale: no returns
Retailer 2
-
HK$5,704 HKD
$727 USD
View
Price last confirmed 16 days ago
A
Retailer 3
-
HK$5,874 HKD
£590 GBP
View
A
Retailer 4
-
HK$6,590 HKD
$840 USD
View
A
Retailer 5
-
HK$7,650 HKD
$975 USD
View
A
Retailer 6
-
HK$7,956 HKD
$1,014 USD
View
A
Retailer 7
-
HK$8,748 HKD
$1,115 USD
View
A
Retailer 8
-
HK$8,844 HKD
£888 GBP
View
A
Retailer 9
-
HK$9,805 HKD
ZAR 20,190 ZAR
View
B+
Retailer 10
-
HK$13,290 HKD
A$2,606 AUD
View
B+
Retailer 11
-
HK$16,620 HKD
£1,668 GBP
View
B
Retailer 12
-
HK$18,021 HKD
SGD 3,104 SGD
View
B
Retailer 13
-
HK$18,210 HKD
$2,321 USD
View
B
Retailer 14
-
HK$18,467 HKD
$2,354 USD
View
B
Retailer 15
-
HK$19,039 HKD
$2,427 USD
View
Most Expensive
B
MOH London
LG801691956 · Nov 1
HK$24,771 HKD
£2,486 GBP
View
15 more retailers have this diamond
Prices start from HK$5,155 HKDSave up to HK$19,616 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
1.51ct Cushion
HK$5,155 HKD