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Marquise|Lab Grown|IGI

5.10ct D IF Marquise Lab Grown Diamond

EX • D/IF • IGI LG754594981

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG754594981

Diamond specifications and retailer prices

From $41,848 AUD
$29,328 USD
As of November 1, 2026
Save $27,016 AUD (39%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: $68,864 AUD at MOH London · As of November 1, 2026
View at MOH London

About this 5.1ct lab-grown marquise diamond

This 5.1ct lab-grown marquise sits in the over five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG754594981 or 754594981. Listed at 26 retailers as of November 1, 2026, with prices from $41,848 to $68,864, a $27,016 spread on the same certified stone. MOH London lists it at $68,864. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

5.10
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754594981
Dimensions17.34 × 8.92 × 5.64 mm
L/W Ratio1.94
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
17.34 mm8.92 mm5.10 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754594981
Side View
Table 62.0%Crown 36.2°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 63.2%

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: Nov 1
Current: $68,864 AUD|Low: $37,285 AUD|High: $150,492 AUD|Avg: $75,406 AUD
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
Retailer 16
Retailer 17
Retailer 18
November 1, 2026
Retailer 10$37,285 AUD
Retailer 3$43,482 AUD
Retailer 17$43,934 AUD
Retailer 16$46,193 AUD
Retailer 6$47,576 AUD
Retailer 8$48,712 AUD
Retailer 15$52,792 AUD
Retailer 13$54,871 AUD
Retailer 12$63,959 AUD
Retailer 18$67,111 AUD
MOH London$68,864 AUD
Retailer 4$76,741 AUD
Retailer 11$78,701 AUD
Retailer 14$91,793 AUD
Retailer 2$109,286 AUD
Retailer 9$114,447 AUD
Retailer 7$149,499 AUD
Retailer 5$150,492 AUD

34 data points across 18 retailers

26 retailers$41,848 AUD to $68,864 AUD

A
Cheapest Retailer
-
$41,848 AUD
$29,328 USD
Retailer 2
-
$41,848 AUD
$29,328 USD
View
Price last confirmed 33 days ago
Retailer 3
-
$41,848 AUD
$29,328 USD
View
Price last confirmed 23 days ago
B+
Retailer 4
-
$43,482 AUD
$30,473 USD
View
B+
Retailer 5
-
$43,934 AUD
$30,790 USD
View
B+
Retailer 6
-
$46,193 AUD
$32,373 USD
View
Retailer 7
-
$46,193 AUD
$32,373 USD
View
Price last confirmed 25 days ago
Retailer 8
-
$46,193 AUD
$32,373 USD
View
Price last confirmed 33 days ago
Retailer 9
-
$46,563 AUD
$32,632 USD
View
Price last confirmed 34 days ago
B+
Retailer 10
-
$47,576 AUD
$33,342 USD
View
B+
Retailer 11
-
$48,712 AUD
$34,138 USD
View
B+
Retailer 12
-
$52,792 AUD
$36,998 USD
View
Retailer 13
-
$52,845 AUD
$37,035 USD
View
Price last confirmed 34 days ago
Retailer 14
-
$53,583 AUD
$37,552 USD
View
Price last confirmed 30 days ago
Retailer 15
-
$53,583 AUD
$37,552 USD
View
Price last confirmed 23 days ago
B+
Retailer 16
-
$54,871 AUD
£30,280 GBP
View
B
Retailer 17
-
$63,959 AUD
$44,824 USD
View
Final sale: no returns
B
Retailer 18
-
$67,111 AUD
$47,033 USD
View
Most Expensive
B
MOH London
LG754594981 · Nov 1
$68,864 AUD
£38,001 GBP
View
18 more retailers have this diamond
Prices start from $41,848 AUDSave up to $27,016 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
5.10ct Marquise
$41,848 AUD