Marquise|Lab Grown|IGI

1.40ct D IF Marquise Lab Grown Diamond

EX • D/IF • IGI LG762545160

Certificate IGI LG762545160

Diamond specifications and retailer prices

From $750 USD
Save $2,850 USD (79%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $3,600 USD at Brilliant Earth
View at Brilliant Earth

About this 1.4ct lab-grown marquise diamond

This 1.4ct lab-grown marquise sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG762545160 or 762545160. Listed at 15 retailers, with prices from $750 to $3,600 at Brilliant Earth, a $2,850 spread on the same certified stone. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.40
Carat
D
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG762545160
Dimensions11.45 × 5.85 × 3.69 mm
L/W Ratio1.96
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
11.45 mm5.85 mm1.40 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG762545160
Side View
Table 59.0%Crown 35.7°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 63.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0-100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 1
Current: $3,600 USD|Low: $750 USD|High: $6,075 USD|Avg: $2,074 USD
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 1, 2026
Retailer 4$750 USD
Retailer 9$755 USD
Retailer 13$869 USD
Retailer 7$915 USD
Retailer 12$982 USD
Retailer 10$1,009 USD
Retailer 14$1,090 USD
Retailer 11$1,102 USD
Retailer 15$1,540 USD
Retailer 5$2,127 USD
Retailer 8$2,331 USD
Retailer 6$2,408 USD
Retailer 3$2,531 USD
Retailer 2$2,765 USD
Brilliant Earth$3,600 USD

37 data points across 15 retailers

15 retailers$750 USD to $3,600 USD

A
Cheapest Retailer
-
$750 USD
A
Retailer 2
-
$755 USD
HK$5,900 HKD
View
A
Retailer 3
-
$869 USD
View
A
Retailer 4
-
$982 USD
€935 EUR
View
A
Retailer 5
-
$991 USD
£780 GBP
View
Price last confirmed 21 days ago
A
Retailer 6
-
$1,009 USD
£794 GBP
View
A
Retailer 7
-
$1,090 USD
View
A
Retailer 8
-
$1,102 USD
ZAR 17,795 ZAR
View
B+
Retailer 9
-
$1,540 USD
View
B
Retailer 10
-
$2,127 USD
View
B
Retailer 11
-
$2,331 USD
A$3,586 AUD
View
B
Retailer 12
-
$2,408 USD
View
Price last confirmed 45 days ago
B
Retailer 13
-
$2,583 USD
View
B
Retailer 14
-
$2,765 USD
£2,177 GBP
View
Most Expensive
B
Brilliant Earth
18493222A · Oct 1
$3,600 USD
View
14 more retailers have this diamond
Prices start from $750 USDSave up to $2,850 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.

A
1.40ct Marquise
$750 USD