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Cushion|Lab Grown|IGI

1.51ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG836620969

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG836620969

Diamond specifications and retailer prices

From €685 EUR
$765 USD
As of October 31, 2026
Save €2,180 EUR (76%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €2,864 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.51ct lab-grown cushion diamond

This 1.51ct lab-grown cushion sits in the one-and-a-half to two carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG836620969 or 836620969. Listed at 15 retailers as of October 31, 2026, with prices from €685 to €2,864, a €2,180 spread on the same certified stone. Brilliant Earth lists it at €2,864. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.3°
Pavilion angle35.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836620969
Dimensions8.66 × 5.76 × 3.86 mm
L/W Ratio1.50
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
8.66 mm5.76 mm1.51 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836620969
Side View
Table 55.0%Crown 33.3°Girdle: MED-THKPavilion 35.4°Culet: NoneDepth 67.0%

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: Oct 31
Current: €2,864 EUR|Low: €613 EUR|High: €4,458 EUR|Avg: €1,728 EUR|-35.7%
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
October 31, 2026
Retailer 7€613 EUR
Retailer 9€685 EUR
Retailer 2€837 EUR
Retailer 14€869 EUR
Retailer 8€932 EUR
Retailer 11€962 EUR
Retailer 12€966 EUR
Retailer 3€1,304 EUR
Retailer 6€1,787 EUR
Retailer 4€1,822 EUR
Retailer 13€1,823 EUR
Retailer 15€1,965 EUR
Retailer 10€2,350 EUR
Retailer 5€2,394 EUR
Brilliant Earth€2,864 EUR

32 data points across 15 retailers

15 retailers€685 EUR to €2,864 EUR

Retailer 1
-
€613 EUR
$685 USD
Price last confirmed 15 days ago
A
Retailer 2
-
€685 EUR
$765 USD
View
A
Retailer 3
-
€837 EUR
View
A
Retailer 4
-
€869 EUR
$971 USD
View
A
Retailer 5
-
€932 EUR
£820 GBP
View
A
Retailer 6
-
€962 EUR
ZAR 17,364 ZAR
View
A
Retailer 7
-
€966 EUR
$1,079 USD
View
A
Retailer 8
-
€1,304 EUR
$1,457 USD
View
Retailer 9
-
€1,787 EUR
£1,572 GBP
View
Price last confirmed 10 days ago
B+
Retailer 10
-
€1,822 EUR
SGD 2,751 SGD
View
B+
Retailer 11
-
€1,823 EUR
$2,036 USD
View
B+
Retailer 12
-
€1,965 EUR
$2,195 USD
View
B+
Retailer 13
-
€2,350 EUR
£2,067 GBP
View
Retailer 14
-
€2,394 EUR
$2,675 USD
View
Price last confirmed 10 days ago
Most Expensive
B
Brilliant Earth
21589983A · Oct 31
€2,864 EUR
$3,200 USD
View
14 more retailers have this diamond
Prices start from €685 EURSave up to €2,180 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
1.51ct Cushion
€685 EUR