Marquise|Lab Grown|IGI

1.22ct D FL Marquise Lab Grown Diamond

ID • D/FL • IGI LG836620386

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG836620386

Diamond specifications and retailer prices

From $277 USD
As of October 30, 2026
Save $2,143 USD (89%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $2,435 USD at Rare Carat · As of October 14, 2026
View at Rare Carat

About this 1.22ct lab-grown marquise diamond

This 1.22ct lab-grown marquise sits in the classic one-carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG836620386 or 836620386. Listed at 20 retailers as of October 28, 2026, with a 774% 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

1.22
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle42.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836620386
Dimensions10.48 × 5.55 × 3.68 mm
L/W Ratio1.89
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
10.48 mm5.55 mm1.22 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836620386
Side View
Table 58.0%Crown 35.4°Girdle: MED-STKPavilion 42.2°Culet: NoneDepth 66.3%

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: $2,420 USD|Low: $277 USD|High: $3,270 USD|Avg: $1,002 USD|-1.6%
Rare Carat
Retailer 2
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Retailer 11
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Retailer 19
November 1, 2026
Retailer 7$277 USD
Retailer 10$310 USD
Retailer 3$321 USD
Retailer 17$343 USD
Retailer 19$343 USD
Retailer 16$500 USD
Retailer 8$566 USD
Retailer 18$586 USD
Retailer 14$589 USD
Retailer 12$604 USD
Retailer 4$790 USD
Retailer 15$1,054 USD
Retailer 11$1,103 USD
Retailer 9$1,151 USD
Retailer 5$1,153 USD
Retailer 6$1,279 USD
Retailer 2$1,375 USD
Retailer 13$1,990 USD
Rare Carat$2,420 USD

33 data points across 19 retailers

20 retailers$277 USD to $2,420 USD

A
Cheapest Retailer
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$277 USD
A
Retailer 2
-
$310 USD
View
Final sale: no returns
A
Retailer 3
-
$321 USD
View
Retailer 4
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$343 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$343 USD
View
A
Retailer 6
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$500 USD
View
A
Retailer 7
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$566 USD
View
A
Retailer 8
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$586 USD
€558 EUR
View
A
Retailer 9
-
$589 USD
ZAR 9,522 ZAR
View
A
Retailer 10
-
$604 USD
£476 GBP
View
B+
Retailer 11
-
$790 USD
View
B+
Retailer 12
-
$1,054 USD
View
B+
Retailer 13
-
$1,103 USD
View
B+
Retailer 14
-
$1,151 USD
SGD 1,556 SGD
View
B+
Retailer 15
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$1,153 USD
View
B+
Retailer 16
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$1,279 USD
View
B+
Retailer 17
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$1,375 USD
£1,083 GBP
View
B
Retailer 18
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$1,990 USD
View
B
Retailer 19
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$2,420 USD
View
Most Expensive
Rare Carat
PE3866203JJ836 · Oct 14
$2,435 USD
View
Price last confirmed 19 days ago
19 more retailers have this diamond
Prices start from $277 USDSave up to $2,143 USD

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
1.22ct Marquise
$277 USD