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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 €277 EUR
$310 USD
As of October 25, 2026
Save €1,518 EUR (85%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: €1,796 EUR 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 €277 to €1,796, a €1,518 spread on the same certified stone. Helzberg Diamonds lists it at €1,796. 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
Color
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: €1,796 EUR|Low: €277 EUR|High: €2,390 EUR|Avg: €897 EUR
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 16€277 EUR
Retailer 4€295 EUR
Retailer 5€307 EUR
Retailer 11€412 EUR
Retailer 8€465 EUR
Retailer 15€477 EUR
Retailer 7€506 EUR
Retailer 10€528 EUR
Retailer 2€596 EUR
Retailer 12€698 EUR
Retailer 3€798 EUR
Retailer 6€939 EUR
Retailer 14€1,119 EUR
Retailer 9€1,182 EUR
Retailer 17€1,602 EUR
Retailer 13€1,674 EUR
Helzberg Diamonds€1,796 EUR

19 data points across 17 retailers

17 retailers€277 EUR to €1,796 EUR

A
Cheapest Retailer
-
€277 EUR
$310 USD
Retailer 2
-
€295 EUR
£260 GBP
View
Price last confirmed 14 days ago
A
Retailer 3
-
€307 EUR
$343 USD
View
Final sale: no returns
A
Retailer 4
-
€412 EUR
$460 USD
View
A
Retailer 5
-
€465 EUR
$519 USD
View
A
Retailer 6
-
€477 EUR
ZAR 8,607 ZAR
View
A
Retailer 7
-
€506 EUR
$565 USD
View
A
Retailer 8
-
€528 EUR
£465 GBP
View
A
Retailer 9
-
€596 EUR
View
A
Retailer 10
-
€698 EUR
$780 USD
View
A
Retailer 11
-
€798 EUR
$892 USD
View
B+
Retailer 12
-
€939 EUR
$1,049 USD
View
B+
Retailer 13
-
€1,119 EUR
£984 GBP
View
B+
Retailer 14
-
€1,182 EUR
SGD 1,784 SGD
View
Retailer 15
-
€1,602 EUR
$1,790 USD
View
Price last confirmed 10 days ago
B
Retailer 16
-
€1,674 EUR
$1,870 USD
View
Most Expensive
B
Helzberg Diamonds
ZXZOJHMPMLNH · Oct 30
€1,796 EUR
$2,006 USD
View
16 more retailers have this diamond
Prices start from €277 EURSave up to €1,518 EUR

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
€277 EUR