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Marquise|Lab Grown|IGI

1.40ct D IF Marquise Lab Grown Diamond

ID • D/IF • IGI LG700513166

Certificate IGI LG700513166

Diamond specifications and retailer prices

From $528 USD
Save $3,072 USD (85%) vs most expensive(unlock to see where)
26 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 LG700513166 or 700513166. Listed at 26 retailers, with prices from $528 to $3,600 at Brilliant Earth, a $3,072 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG700513166
Dimensions12.04 × 5.75 × 3.60 mm
L/W Ratio2.09
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
12.04 mm5.75 mm1.40 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG700513166
Side View
Table 58.0%Crown 34.5°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 62.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0-100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Sep 30
Current: $3,600 USD|Low: $421 USD|High: $8,101 USD|Avg: $2,419 USD|-11.5%
Brilliant Earth
Retailer 2
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Retailer 4
Retailer 5
Retailer 6
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Retailer 13
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Retailer 15
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Retailer 21
October 1, 2026
Retailer 8$591 USD
Retailer 11$750 USD
Retailer 13$755 USD
Retailer 15$850 USD
Retailer 6$869 USD
Retailer 4$982 USD
Retailer 17$1,009 USD
Retailer 7$1,090 USD
Retailer 3$1,102 USD
Retailer 9$1,540 USD
Retailer 16$1,564 USD
Retailer 20$1,600 USD
Retailer 2$1,905 USD
Retailer 14$2,127 USD
Retailer 5$2,181 USD
Retailer 12$2,240 USD
Retailer 19$2,259 USD
Retailer 21$2,425 USD
Retailer 10$2,531 USD
Retailer 18$2,765 USD
Brilliant Earth$3,600 USD

40 data points across 21 retailers

26 retailers$528 USD to $3,600 USD

A
Cheapest Retailer
-
$528 USD
A
Retailer 2
-
$591 USD
View
A
Retailer 3
-
$591 USD
View
A
Retailer 4
-
$646 USD
View
A
Retailer 5
-
$750 USD
View
A
Retailer 6
-
$755 USD
HK$5,900 HKD
View
A
Retailer 7
-
$850 USD
View
A
Retailer 8
-
$869 USD
View
A
Retailer 9
-
$982 USD
€935 EUR
View
A
Retailer 10
-
$1,009 USD
£794 GBP
View
A
Retailer 11
-
$1,090 USD
View
A
Retailer 12
-
$1,102 USD
ZAR 17,795 ZAR
View
B+
Retailer 13
-
$1,540 USD
View
B+
Retailer 14
-
$1,564 USD
View
B+
Retailer 15
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$1,600 USD
A$2,461 AUD
View
B+
Retailer 16
-
$1,721 USD
View
B+
Retailer 17
-
$1,905 USD
£1,500 GBP
View
B+
Retailer 18
-
$2,127 USD
View
B+
Retailer 19
-
$2,181 USD
SGD 2,947 SGD
View
B+
Retailer 20
-
$2,240 USD
View
B
Retailer 21
-
$2,259 USD
A$3,476 AUD
View
B
Retailer 22
-
$2,424 USD
View
Price last confirmed 45 days ago
B
Retailer 23
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$2,425 USD
View
B
Retailer 24
-
$2,583 USD
View
B
Retailer 25
-
$2,765 USD
£2,177 GBP
View
Most Expensive
B
Brilliant Earth
14915157A · Sep 29
$3,600 USD
View
25 more retailers have this diamond
Prices start from $528 USDSave up to $3,072 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
$528 USD