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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 €307 EUR
$343 USD
As of November 1, 2026
Save €1,489 EUR (83%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: €1,796 EUR at Helzberg Diamonds · As of November 1, 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 16 retailers as of November 1, 2026, with prices from €307 to €1,796, a €1,489 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
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

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: €1,796 EUR|Low: €277 EUR|High: €2,390 EUR|Avg: €887 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
November 2, 2026
Retailer 16€277 EUR
Retailer 4€295 EUR
Retailer 5€307 EUR
Retailer 12€412 EUR
Retailer 8€465 EUR
Retailer 10€479 EUR
Retailer 7€506 EUR
Retailer 2€528 EUR
Retailer 11€596 EUR
Retailer 13€698 EUR
Retailer 3€798 EUR
Retailer 6€939 EUR
Retailer 15€1,119 EUR
Retailer 9€1,182 EUR
Retailer 17€1,602 EUR
Retailer 14€1,674 EUR
Helzberg Diamonds€1,796 EUR

21 data points across 17 retailers

16 retailers€307 EUR to €1,796 EUR

Retailer 1
-
€277 EUR
$310 USD
Price last confirmed 8 days ago
A
Retailer 2
-
€307 EUR
$343 USD
View
Final sale: no returns
A
Retailer 3
-
€412 EUR
$460 USD
View
A
Retailer 4
-
€465 EUR
$519 USD
View
A
Retailer 5
-
€479 EUR
ZAR 8,650 ZAR
View
A
Retailer 6
-
€506 EUR
$565 USD
View
A
Retailer 7
-
€528 EUR
£465 GBP
View
A
Retailer 8
-
€596 EUR
View
A
Retailer 9
-
€698 EUR
$780 USD
View
A
Retailer 10
-
€798 EUR
$892 USD
View
B+
Retailer 11
-
€939 EUR
$1,049 USD
View
B+
Retailer 12
-
€1,119 EUR
£984 GBP
View
B+
Retailer 13
-
€1,182 EUR
SGD 1,784 SGD
View
B
Retailer 14
-
€1,602 EUR
$1,790 USD
View
B
Retailer 15
-
€1,674 EUR
$1,870 USD
View
Most Expensive
B
Helzberg Diamonds
ZXZOJHMPMLNH · Nov 1
€1,796 EUR
$2,006 USD
View
15 more retailers have this diamond
Prices start from €307 EURSave up to €1,489 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
€307 EUR