Radiant|Lab Grown|IGI

1.33ct D IF Radiant Lab Grown Diamond

EX • D/IF • IGI LG689516105

Shape and cutting style on the report: Cut cornered square modified brilliant

Certificate IGI LG689516105

Diamond specifications and retailer prices

From €327 EUR
$365 USD
As of October 30, 2026
Save €1,104 EUR (77%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €3,222 EUR at Brilliant Earth · As of October 8, 2026
View at Brilliant Earth

About this 1.33ct lab-grown radiant diamond

This 1.33ct lab-grown radiant sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG689516105 or 689516105. Listed at 14 retailers as of October 30, 2026, with a 338% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.33
Carat
D
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.8°
Pavilion angle34.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG689516105
Dimensions6.56 × 6.23 × 3.88 mm
L/W Ratio1.05
Culet sizePointed
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
6.56 mm6.23 mm1.33 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG689516105
Side View
Table 58.0%Crown 37.8°Girdle: MediumPavilion 34.9°Culet: NoneDepth 62.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: €3,222 EUR|Low: €327 EUR|High: €3,222 EUR|Avg: €950 EUR
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
Retailer 16
Retailer 17
October 31, 2026
Retailer 4€327 EUR
Retailer 8€337 EUR
Retailer 17€363 EUR
Retailer 10€375 EUR
Retailer 12€488 EUR
Retailer 2€555 EUR
Retailer 3€586 EUR
Retailer 16€590 EUR
Retailer 11€623 EUR
Retailer 15€867 EUR
Retailer 7€961 EUR
Retailer 5€1,206 EUR
Retailer 9€1,364 EUR
Retailer 6€1,430 EUR
Retailer 14€1,461 EUR
Retailer 13€1,683 EUR
Brilliant Earth€3,222 EUR

31 data points across 17 retailers

14 retailers€327 EUR to €1,430 EUR

A
Cheapest Retailer
-
€327 EUR
$365 USD
Final sale: no returns
A
Retailer 2
-
€363 EUR
$405 USD
View
A
Retailer 3
-
€375 EUR
£329 GBP
View
A
Retailer 4
-
€488 EUR
$545 USD
View
A
Retailer 5
-
€555 EUR
$620 USD
View
A
Retailer 6
-
€586 EUR
$655 USD
View
A
Retailer 7
-
€623 EUR
ZAR 11,247 ZAR
View
B+
Retailer 8
-
€867 EUR
$969 USD
View
B
Retailer 9
-
€1,206 EUR
$1,347 USD
View
B
Retailer 10
-
€1,430 EUR
$1,598 USD
View
Retailer 11
-
€1,461 EUR
£1,285 GBP
View
Price last confirmed 14 days ago
Retailer 12
-
€1,683 EUR
$1,880 USD
View
Price last confirmed 14 days ago
Retailer 13
-
€1,739 EUR
$1,943 USD
View
Price last confirmed 84 days ago
Most Expensive
Brilliant Earth
21386154A · Oct 8
€3,222 EUR
$3,600 USD
View
Price last confirmed 24 days ago
13 more retailers have this diamond
Prices start from €327 EURSave up to €1,104 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
1.33ct Radiant
€327 EUR