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Cushion|Lab Grown|IGI

1.30ct E IF Cushion Lab Grown Diamond

ID • E/IF • IGI LG831696571

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG831696571

Diamond specifications and retailer prices

From HK$2,432 HKD
$310 USD
As of October 25, 2026
Save HK$13,306 HKD (85%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: HK$15,738 HKD at Helzberg Diamonds · As of October 30, 2026
View at Helzberg Diamonds

About this 1.3ct lab-grown cushion diamond

This 1.3ct lab-grown cushion sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG831696571 or 831696571. Listed at 17 retailers as of October 25, 2026, with prices from HK$2,432 to HK$15,738, a HK$13,306 spread on the same certified stone. Helzberg Diamonds lists it at HK$15,738. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.30
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle33.3°
Pavilion angle38.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831696571
Dimensions7.97 × 5.36 × 3.57 mm
L/W Ratio1.49
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.97 mm5.36 mm1.30 ctE / IF
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831696571
Side View
Table 62.0%Crown 33.3°Girdle: MED-THKPavilion 38.7°Culet: NoneDepth 66.6%

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 25
Current: HK$15,738 HKD|Low: HK$2,432 HKD|High: HK$20,948 HKD|Avg: HK$7,865 HKD
Helzberg Diamonds
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
Retailer 17
October 31, 2026
Retailer 16HK$2,432 HKD
Retailer 4HK$2,586 HKD
Retailer 5HK$2,691 HKD
Retailer 11HK$3,609 HKD
Retailer 8HK$4,072 HKD
Retailer 15HK$4,180 HKD
Retailer 7HK$4,433 HKD
Retailer 10HK$4,630 HKD
Retailer 2HK$5,223 HKD
Retailer 12HK$6,120 HKD
Retailer 3HK$6,998 HKD
Retailer 6HK$8,227 HKD
Retailer 14HK$9,805 HKD
Retailer 9HK$10,358 HKD
Retailer 17HK$14,044 HKD
Retailer 13HK$14,671 HKD
Helzberg DiamondsHK$15,738 HKD

19 data points across 17 retailers

17 retailersHK$2,432 HKD to HK$15,738 HKD

A
Cheapest Retailer
-
HK$2,432 HKD
$310 USD
Retailer 2
-
HK$2,586 HKD
£260 GBP
View
Price last confirmed 15 days ago
A
Retailer 3
-
HK$2,691 HKD
$343 USD
View
Final sale: no returns
A
Retailer 4
-
HK$3,609 HKD
$460 USD
View
A
Retailer 5
-
HK$4,072 HKD
$519 USD
View
A
Retailer 6
-
HK$4,180 HKD
ZAR 8,607 ZAR
View
A
Retailer 7
-
HK$4,433 HKD
$565 USD
View
A
Retailer 8
-
HK$4,630 HKD
£465 GBP
View
A
Retailer 9
-
HK$5,223 HKD
€634 EUR
View
A
Retailer 10
-
HK$6,120 HKD
$780 USD
View
A
Retailer 11
-
HK$6,998 HKD
$892 USD
View
B+
Retailer 12
-
HK$8,227 HKD
$1,049 USD
View
B+
Retailer 13
-
HK$9,805 HKD
£984 GBP
View
B+
Retailer 14
-
HK$10,358 HKD
SGD 1,784 SGD
View
Retailer 15
-
HK$14,044 HKD
$1,790 USD
View
Price last confirmed 10 days ago
B
Retailer 16
-
HK$14,671 HKD
$1,870 USD
View
Most Expensive
B
Helzberg Diamonds
ZXZOJHMPMLNH · Oct 30
HK$15,738 HKD
$2,006 USD
View
16 more retailers have this diamond
Prices start from HK$2,432 HKDSave up to HK$13,306 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
1.30ct Cushion
HK$2,432 HKD