CaratHunter
Plans
Marquise|Lab Grown|IGI

1.50ct E IF Marquise Lab Grown Diamond

ID • E/IF • IGI LG700512479

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG700512479

Diamond specifications and retailer prices

From $654 USD
As of October 30, 2026
Save $2,725 USD (81%) vs most expensive(unlock to see where)
30 retailers carry this diamond
Most expensive: $3,379 USD at With Clarity · As of October 30, 2026
View at With Clarity

About this 1.5ct lab-grown marquise diamond

This 1.5ct lab-grown marquise sits in the one-and-a-half to two carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG700512479 or 700512479. Listed at 30 retailers as of October 30, 2026, with prices from $654 to $3,379, a $2,725 spread on the same certified stone. With Clarity lists it at $3,379. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.50
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG700512479
Dimensions11.72 × 5.92 × 3.79 mm
L/W Ratio1.98
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
11.72 mm5.92 mm1.50 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG700512479
Side View
Table 57.0%Crown 34.5°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 64.0%

Caratlytics Score

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

Price History

Last verified: Oct 30
Current: $1,134 USD|Low: $585 USD|High: $3,379 USD|Avg: $1,704 USD|-3.1%
Retailer 1
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
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
Retailer 23
With Clarity
October 30, 2026
Retailer 11$585 USD
Retailer 18$654 USD
Retailer 10$725 USD
Retailer 19$830 USD
Retailer 3$832 USD
Retailer 4$937 USD
Retailer 15$1,025 USD
Retailer 9$1,103 USD
Retailer 12$1,113 USD
Retailer 1$1,134 USD
Retailer 17$1,246 USD
Retailer 20$1,699 USD
Retailer 13$1,716 USD
Retailer 23$1,800 USD
Retailer 16$2,195 USD
Retailer 8$2,315 USD
Retailer 7$2,348 USD
Retailer 21$2,385 USD
Retailer 14$2,413 USD
Retailer 5$2,422 USD
Retailer 6$2,424 USD
Retailer 2$3,030 USD
Retailer 22$3,166 USD
With Clarity$3,379 USD

36 data points across 24 retailers

30 retailers$654 USD to $3,379 USD

Retailer 1
-
$585 USD
Price last confirmed 22 days ago
Retailer 2
-
$606 USD
View
Price last confirmed 30 days ago
A
Retailer 3
-
$654 USD
View
Final sale: no returns
Retailer 4
-
$679 USD
View
Price last confirmed 31 days ago
Retailer 5
-
$725 USD
View
Price last confirmed 22 days ago
Retailer 6
-
$725 USD
View
Price last confirmed 20 days ago
Retailer 7
-
$742 USD
View
Price last confirmed 31 days ago
A
Retailer 8
-
$830 USD
View
A
Retailer 9
-
$832 USD
HK$6,500 HKD
View
A
Retailer 10
-
$937 USD
View
A
Retailer 11
-
$1,025 USD
View
A
Retailer 12
-
$1,103 USD
View
A
Retailer 13
-
$1,113 USD
€1,060 EUR
View
A
Retailer 14
-
$1,134 USD
£893 GBP
View
A
Retailer 15
-
$1,246 USD
ZAR 20,137 ZAR
View
Retailer 16
-
$1,699 USD
A$2,614 AUD
View
Price last confirmed 9 days ago
B+
Retailer 17
-
$1,716 USD
View
B+
Retailer 18
-
$1,800 USD
View
B+
Retailer 19
-
$1,908 USD
View
Retailer 20
-
$1,908 USD
View
Price last confirmed 20 days ago
Retailer 21
-
$1,977 USD
View
Price last confirmed 30 days ago
B+
Retailer 22
-
$2,315 USD
View
B+
Retailer 23
-
$2,348 USD
View
B+
Retailer 24
-
$2,385 USD
View
B+
Retailer 25
-
$2,413 USD
SGD 3,261 SGD
View
B+
Retailer 26
-
$2,422 USD
View
Retailer 27
-
$2,424 USD
A$3,729 AUD
View
Price last confirmed 22 days ago
B
Retailer 28
-
$3,030 USD
View
B
Retailer 29
-
$3,166 USD
£2,493 GBP
View
Most Expensive
B
With Clarity
700512479 · Oct 30
$3,379 USD
View
29 more retailers have this diamond
Prices start from $654 USDSave up to $2,725 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
1.50ct Marquise
$654 USD