Marquise|Lab Grown|IGI

1.21ct E FL Marquise Lab Grown Diamond

ID • E/FL • IGI LG816626986

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG816626986

Diamond specifications and retailer prices

From €645 EUR
As of October 30, 2026
Save €1,383 EUR (68%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: €2,028 EUR at Rare Carat · As of October 28, 2026
View at Rare Carat

About this 1.21ct lab-grown marquise diamond

This 1.21ct lab-grown marquise sits in the classic one-carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG816626986 or 816626986. Listed at 23 retailers as of October 28, 2026, with prices from €645 to €2,028, a €1,383 spread on the same certified stone. Rare Carat lists it at €2,028. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816626986
Dimensions10.98 × 5.48 × 3.48 mm
L/W Ratio2.00
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
10.98 mm5.48 mm1.21 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816626986
Side View
Table 59.0%Crown 36.2°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 63.5%

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 30
Current: €2,028 EUR|Low: €276 EUR|High: €2,059 EUR|Avg: €892 EUR|-1.5%
Rare Carat
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 30, 2026
Retailer 7€276 EUR
Retailer 3€326 EUR
Retailer 11€361 EUR
Retailer 10€546 EUR
Retailer 9€580 EUR
Retailer 14€583 EUR
Retailer 8€620 EUR
Retailer 2€645 EUR
Retailer 15€722 EUR
Retailer 13€900 EUR
Retailer 4€1,160 EUR
Retailer 5€1,199 EUR
Retailer 12€1,448 EUR
Retailer 6€1,935 EUR
Rare Carat€2,028 EUR

38 data points across 15 retailers

23 retailers€645 EUR to €2,028 EUR

Retailer 1
-
€276 EUR
Price last confirmed 33 days ago
Retailer 2
-
€286 EUR
View
Price last confirmed 22 days ago
Retailer 3
-
€286 EUR
View
Price last confirmed 27 days ago
Retailer 4
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€333 EUR
View
Price last confirmed 36 days ago
Retailer 5
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€351 EUR
View
Price last confirmed 37 days ago
Retailer 6
-
€354 EUR
View
Price last confirmed 32 days ago
Retailer 7
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€354 EUR
View
Price last confirmed 25 days ago
Retailer 8
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€354 EUR
View
Price last confirmed 23 days ago
Retailer 9
-
€361 EUR
View
Price last confirmed 10 days ago
Retailer 10
-
€546 EUR
View
Price last confirmed 6 days ago
Retailer 11
-
€580 EUR
View
Price last confirmed 8 days ago
Retailer 12
-
€583 EUR
View
Price last confirmed 7 days ago
Retailer 13
-
€620 EUR
View
Price last confirmed 7 days ago
A
Retailer 14
-
€645 EUR
View
B+
Retailer 15
-
€722 EUR
View
Retailer 16
-
€900 EUR
View
Price last confirmed 9 days ago
Retailer 17
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€1,140 EUR
View
Price last confirmed 22 days ago
Retailer 18
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€1,145 EUR
View
Price last confirmed 35 days ago
B
Retailer 19
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€1,160 EUR
View
B
Retailer 20
-
€1,199 EUR
View
Retailer 21
-
€1,448 EUR
View
Price last confirmed 9 days ago
B
Retailer 22
-
€1,935 EUR
View
Most Expensive
B
Rare Carat
2278-71-C_l_816626986 · Oct 28
€2,028 EUR
$2,285 USD
View
22 more retailers have this diamond
Prices start from €645 EURSave up to €1,383 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
1.21ct Marquise
€645 EUR