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Marquise|Lab Grown|IGI

1.33ct D FL Marquise Lab Grown Diamond

EX • D/FL • IGI LG780665643

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG780665643

Diamond specifications and retailer prices

From $312 USD
As of November 2, 2026
Save $2,458 USD (89%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $2,770 USD at Do Amore Diamonds · As of November 3, 2026
View at Do Amore Diamonds

About this 1.33ct lab-grown marquise diamond

This 1.33ct lab-grown marquise sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG780665643 or 780665643. Listed at 18 retailers as of November 2, 2026, with prices from $312 to $2,770, a $2,458 spread on the same certified stone. Do Amore Diamonds lists it at $2,770. 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
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780665643
Dimensions11.18 × 5.85 × 3.56 mm
L/W Ratio1.91
Girdle conditionFaceted
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
11.18 mm5.85 mm1.33 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780665643
Side View
Table 56.0%Crown 35°Girdle: MED-STKPavilion 39.2°Culet: NoneDepth 60.9%

Caratlytics Score

How it works →
A+
Exceptional
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: Nov 2
Current: $2,770 USD|Low: $312 USD|High: $3,480 USD|Avg: $1,194 USD|-7.4%
Do Amore Diamonds
Retailer 2
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Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
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Retailer 17
November 2, 2026
Retailer 14$312 USD
Retailer 5$362 USD
Retailer 9$396 USD
Retailer 2$439 USD
Retailer 15$548 USD
Retailer 7$570 USD
Retailer 17$628 USD
Retailer 12$726 USD
Retailer 8$742 USD
Retailer 13$811 USD
Retailer 16$1,134 USD
Retailer 4$1,195 USD
Retailer 3$1,372 USD
Retailer 10$1,668 USD
Retailer 11$2,320 USD
Retailer 6$2,325 USD
Do Amore Diamonds$2,770 USD

39 data points across 17 retailers

18 retailers$312 USD to $2,770 USD

A+
Cheapest Retailer
-
$312 USD
A
Retailer 2
-
$362 USD
View
A
Retailer 3
-
$396 USD
View
Final sale: no returns
A
Retailer 4
-
$439 USD
£346 GBP
View
A
Retailer 5
-
$548 USD
View
A
Retailer 6
-
$570 USD
View
A
Retailer 7
-
$628 USD
View
A
Retailer 8
-
$726 USD
€691 EUR
View
A
Retailer 9
-
$742 USD
View
A
Retailer 10
-
$811 USD
A$1,248 AUD
View
B+
Retailer 11
-
$1,134 USD
View
B+
Retailer 12
-
$1,195 USD
View
B+
Retailer 13
-
$1,372 USD
View
B+
Retailer 14
-
$1,668 USD
£1,313 GBP
View
B
Retailer 15
-
$2,285 USD
View
B
Retailer 16
-
$2,320 USD
View
B
Retailer 17
-
$2,325 USD
View
Most Expensive
B
Do Amore Diamonds
27-7716D4F07 · Nov 3
$2,770 USD
View
17 more retailers have this diamond
Prices start from $312 USDSave up to $2,458 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+
1.33ct Marquise
$312 USD