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Marquise|Lab Grown|IGI

5.15ct D IF Marquise Lab Grown Diamond

VG • D/IF • IGI LG726541393

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG726541393

Diamond specifications and retailer prices

From $36,732 AUD
$25,802 USD
As of November 1, 2026
Save $32,893 AUD (47%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $69,625 AUD at MOH London · As of November 1, 2026
View at MOH London

About this 5.15ct lab-grown marquise diamond

This 5.15ct lab-grown marquise sits in the over five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a very-good cut grade and certified by IGI LG726541393 or 726541393. Listed at 16 retailers as of November 1, 2026, with prices from $36,732 to $69,625, a $32,893 spread on the same certified stone. MOH London lists it at $69,625. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

5.15
Carat
D
Colour
IF
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.5°
Pavilion angle41.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG726541393
Dimensions16.96 × 8.94 × 5.84 mm
L/W Ratio1.90
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
16.96 mm8.94 mm5.15 ctD / IF
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG726541393
Side View
Table 61.0%Crown 37.5°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 65.3%

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 1
Current: $69,625 AUD|Low: $36,615 AUD|High: $178,790 AUD|Avg: $64,956 AUD|+5.9%
MOH London
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
November 1, 2026
Retailer 12$36,732 AUD
Retailer 15$37,466 AUD
Retailer 6$39,055 AUD
Retailer 13$39,055 AUD
Retailer 2$39,368 AUD
Retailer 7$43,521 AUD
Retailer 11$44,636 AUD
Retailer 3$45,085 AUD
Retailer 9$51,470 AUD
MOH London$69,625 AUD
Retailer 10$76,453 AUD
Retailer 4$87,126 AUD
Retailer 8$102,038 AUD
Retailer 5$127,253 AUD
Retailer 14$174,975 AUD

39 data points across 15 retailers

16 retailers$36,732 AUD to $69,625 AUD

Retailer 1
-
$27,726 AUD
$19,476 USD
Our latest check could not confirm this price
A
Retailer 2
-
$36,732 AUD
$25,802 USD
View
B+
Retailer 3
-
$37,466 AUD
$26,318 USD
View
B+
Retailer 4
-
$39,055 AUD
$27,434 USD
View
B+
Retailer 5
-
$39,055 AUD
$27,434 USD
View
B+
Retailer 6
-
$39,368 AUD
$27,654 USD
View
B+
Retailer 7
-
$43,521 AUD
$30,571 USD
View
B+
Retailer 8
-
$44,636 AUD
$31,354 USD
View
B+
Retailer 9
-
$45,085 AUD
$31,670 USD
View
B+
Retailer 10
-
$51,470 AUD
£28,468 GBP
View
Most Expensive
B
MOH London
LG726541393 · Nov 1
$69,625 AUD
£38,510 GBP
View
10 more retailers have this diamond
Prices start from $36,732 AUDSave up to $32,893 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
5.15ct Marquise
$36,732 AUD