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Marquise|Lab Grown|IGI

1.35ct D FL Marquise Lab Grown Diamond

EX • D/FL • IGI LG800622153

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG800622153

Diamond specifications and retailer prices

From $392 USD
As of November 2, 2026
Save $1,978 USD (83%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $2,370 USD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 1.35ct lab-grown marquise diamond

This 1.35ct 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 LG800622153 or 800622153. Listed at 24 retailers as of November 2, 2026, with prices from $392 to $2,370, a $1,978 spread on the same certified stone. Brilliant Earth lists it at $2,370. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.35
Carat
D
Color
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800622153
Dimensions11.59 × 5.76 × 3.61 mm
L/W Ratio2.01
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
11.59 mm5.76 mm1.35 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800622153
Side View
Table 58.0%Crown 33.5°Girdle: MED-STKPavilion 40.1°Culet: NoneDepth 62.7%

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: Nov 2
Current: $2,370 USD|Low: $392 USD|High: $3,540 USD|Avg: $1,078 USD|-33.1%
Brilliant Earth
Retailer 2
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Retailer 22
November 3, 2026
Retailer 21$392 USD
Retailer 8$438 USD
Retailer 16$439 USD
Retailer 6$486 USD
Retailer 10$538 USD
Retailer 7$635 USD
Retailer 18$662 USD
Retailer 20$723 USD
Retailer 2$797 USD
Retailer 12$836 USD
Retailer 13$838 USD
Retailer 4$981 USD
Retailer 15$1,097 USD
Retailer 19$1,166 USD
Retailer 3$1,334 USD
Retailer 14$1,357 USD
Retailer 9$1,547 USD
Retailer 11$1,562 USD
Retailer 5$1,599 USD
Retailer 22$1,806 USD
Retailer 17$1,899 USD
Brilliant Earth$2,370 USD

36 data points across 22 retailers

24 retailers$392 USD to $2,370 USD

A
Cheapest Retailer
-
$392 USD
A
Retailer 2
-
$438 USD
View
Final sale: no returns
A
Retailer 3
-
$439 USD
View
A
Retailer 4
-
$486 USD
View
Retailer 5
-
$526 USD
View
Price last confirmed 9 days ago
A
Retailer 6
-
$538 USD
HK$4,200 HKD
View
A
Retailer 7
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$635 USD
View
A
Retailer 8
-
$662 USD
View
A
Retailer 9
-
$723 USD
View
A
Retailer 10
-
$797 USD
£628 GBP
View
Retailer 11
-
$836 USD
€796 EUR
View
Price last confirmed 8 days ago
A
Retailer 12
-
$838 USD
ZAR 13,538 ZAR
View
A
Retailer 13
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$981 USD
View
B+
Retailer 14
-
$1,097 USD
A$1,688 AUD
View
B+
Retailer 15
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$1,166 USD
View
B+
Retailer 16
-
$1,334 USD
View
Retailer 17
-
$1,357 USD
View
Price last confirmed 12 days ago
B+
Retailer 18
-
$1,547 USD
SGD 2,090 SGD
View
B+
Retailer 19
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$1,562 USD
View
B+
Retailer 20
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$1,599 USD
View
B
Retailer 21
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$1,806 USD
View
B+
Retailer 22
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$1,899 USD
£1,495 GBP
View
B
Retailer 23
-
$2,325 USD
View
Most Expensive
B
Brilliant Earth
20322764A · Nov 2
$2,370 USD
View
23 more retailers have this diamond
Prices start from $392 USDSave up to $1,978 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
1.35ct Marquise
$392 USD