Cushion|Lab Grown|IGI

1.03ct D IF Cushion Lab Grown Diamond

ID • D/IF • IGI LG788630352

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG788630352

Diamond specifications and retailer prices

From €226 EUR
$252 USD
As of October 26, 2026
Save €1,037 EUR (82%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €1,262 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.03ct lab-grown cushion diamond

This 1.03ct lab-grown cushion sits in the classic one-carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG788630352 or 788630352. Listed at 14 retailers as of October 26, 2026, with prices from €226 to €1,262, a €1,037 spread on the same certified stone. Brilliant Earth lists it at €1,262. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.03
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle33.2°
Pavilion angle34.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG788630352
Dimensions7.12 × 5.10 × 3.43 mm
L/W Ratio1.40
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
7.12 mm5.10 mm1.03 ctD / IF
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateIGI LG788630352
Side View
Table 61.0%Crown 33.2°Girdle: MED-STKPavilion 34.2°Culet: NoneDepth 67.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 26
Current: €1,262 EUR|Low: €226 EUR|High: €1,907 EUR|Avg: €668 EUR|-33.8%
Brilliant Earth
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
November 1, 2026
Retailer 12€226 EUR
Retailer 5€251 EUR
Retailer 8€413 EUR
Retailer 15€427 EUR
Retailer 9€431 EUR
Retailer 14€460 EUR
Retailer 7€465 EUR
Retailer 2€468 EUR
Retailer 3€516 EUR
Retailer 13€655 EUR
Retailer 6€733 EUR
Retailer 4€854 EUR
Retailer 10€1,007 EUR
Retailer 11€1,226 EUR
Brilliant Earth€1,262 EUR

42 data points across 15 retailers

14 retailers€226 EUR to €1,262 EUR

A
Cheapest Retailer
-
€226 EUR
$252 USD
Final sale: no returns
A
Retailer 2
-
€251 EUR
$280 USD
View
A
Retailer 3
-
€413 EUR
View
A
Retailer 4
-
€427 EUR
$477 USD
View
A
Retailer 5
-
€431 EUR
ZAR 7,782 ZAR
View
A
Retailer 6
-
€460 EUR
$514 USD
View
A
Retailer 7
-
€468 EUR
£412 GBP
View
A
Retailer 8
-
€516 EUR
$576 USD
View
B+
Retailer 9
-
€655 EUR
$732 USD
View
B+
Retailer 10
-
€733 EUR
SGD 1,106 SGD
View
B+
Retailer 11
-
€854 EUR
$954 USD
View
B+
Retailer 12
-
€1,007 EUR
£886 GBP
View
Retailer 13
-
€1,226 EUR
$1,370 USD
View
Price last confirmed 13 days ago
Most Expensive
B+
Brilliant Earth
21419372A · Oct 31
€1,262 EUR
$1,410 USD
View
13 more retailers have this diamond
Prices start from €226 EURSave up to €1,037 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
1.03ct Cushion
€226 EUR