CaratHunter
Plans
Marquise|Lab Grown|IGI

1.51ct E VS2 Marquise Lab Grown Diamond

ID • E/VS2 • IGI LG837653378

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG837653378

Diamond specifications and retailer prices

From $339 AUD
$238 USD
As of October 30, 2026
Save $2,266 AUD (87%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $2,605 AUD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 1.51ct lab-grown marquise diamond

This 1.51ct lab-grown marquise sits in the one-and-a-half to two carat band, graded E colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG837653378 or 837653378. Listed at 17 retailers as of October 28, 2026, with prices from $339 to $2,605, a $2,266 spread on the same certified stone. Brilliant Earth lists it at $2,605. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
E
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.5°
Pavilion angle37.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837653378
Dimensions12.32 × 6.11 × 3.48 mm
L/W Ratio2.02
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.32 mm6.11 mm1.51 ctE / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837653378
Side View
Table 65.0%Crown 31.5°Girdle: STK-THKPavilion 37.7°Culet: NoneDepth 57.0%

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: $2,605 AUD|Low: $325 AUD|High: $2,605 AUD|Avg: $1,065 AUD
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
Retailer 16
Retailer 17
October 30, 2026
Retailer 16$339 AUD
Retailer 6$379 AUD
Retailer 4$420 AUD
Retailer 17$420 AUD
Retailer 2$492 AUD
Retailer 15$567 AUD
Retailer 8$712 AUD
Retailer 12$756 AUD
Retailer 10$794 AUD
Retailer 11$1,323 AUD
Retailer 7$1,349 AUD
Retailer 14$1,354 AUD
Retailer 9$1,423 AUD
Retailer 13$1,683 AUD
Retailer 5$1,707 AUD
Retailer 3$1,870 AUD
Brilliant Earth$2,605 AUD

36 data points across 17 retailers

17 retailers$339 AUD to $2,605 AUD

A
Cheapest Retailer
-
$339 AUD
$238 USD
A
Retailer 2
-
$379 AUD
$266 USD
View
Final sale: no returns
A
Retailer 3
-
$420 AUD
$295 USD
View
A
Retailer 4
-
$420 AUD
$295 USD
View
A
Retailer 5
-
$492 AUD
£272 GBP
View
B+
Retailer 6
-
$567 AUD
$398 USD
View
A
Retailer 7
-
$712 AUD
$500 USD
View
A
Retailer 8
-
$756 AUD
€506 EUR
View
A
Retailer 9
-
$794 AUD
£439 GBP
View
B+
Retailer 10
-
$1,323 AUD
View
B+
Retailer 11
-
$1,349 AUD
$948 USD
View
B+
Retailer 12
-
$1,354 AUD
$951 USD
View
B+
Retailer 13
-
$1,423 AUD
$1,000 USD
View
B
Retailer 14
-
$1,683 AUD
£931 GBP
View
B
Retailer 15
-
$1,707 AUD
$1,199 USD
View
B
Retailer 16
-
$1,870 AUD
$1,314 USD
View
Most Expensive
B
Brilliant Earth
21659077A · Oct 28
$2,605 AUD
$1,830 USD
View
16 more retailers have this diamond
Prices start from $339 AUDSave up to $2,266 AUD

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
1.51ct Marquise
$339 AUD