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Marquise|Lab Grown|IGI

1.51ct E FL Marquise Lab Grown Diamond

EX • E/FL • IGI LG799630374

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG799630374

Diamond specifications and retailer prices

From $2,688 AUD
$1,888 USD
As of October 30, 2026
Save $6,321 AUD (70%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $9,009 AUD at With Clarity · As of October 31, 2026
View at With Clarity

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 FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG799630374 or 799630374. Listed at 14 retailers as of October 30, 2026, with prices from $2,688 to $9,009, a $6,321 spread on the same certified stone. With Clarity lists it at $9,009. 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
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG799630374
Dimensions11.60 × 5.99 × 3.75 mm
L/W Ratio1.94
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.60 mm5.99 mm1.51 ctE / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG799630374
Side View
Table 62.0%Crown 36.2°Girdle: Slightly ThickPavilion 40.1°Culet: NoneDepth 62.6%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $3,493 AUD|Low: $2,474 AUD|High: $7,160 AUD|Avg: $4,333 AUD|-0.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 31, 2026
Retailer 11$2,474 AUD
Retailer 3$2,688 AUD
Retailer 4$3,209 AUD
Retailer 1$3,493 AUD
Retailer 8$3,538 AUD
Retailer 7$4,073 AUD
Retailer 5$4,547 AUD
Retailer 9$4,684 AUD
Retailer 10$5,552 AUD
Retailer 2$6,352 AUD
Retailer 6$7,104 AUD

44 data points across 11 retailers

14 retailers$2,688 AUD to $9,009 AUD

Retailer 1
-
$2,474 AUD
$1,738 USD
Price last confirmed 19 days ago
B+
Retailer 2
-
$2,688 AUD
$1,888 USD
View
B+
Retailer 3
-
$3,209 AUD
View
B+
Retailer 4
-
$3,493 AUD
£1,932 GBP
View
B+
Retailer 5
-
$3,538 AUD
$2,485 USD
View
B+
Retailer 6
-
$4,073 AUD
€2,725 EUR
View
B+
Retailer 7
-
$4,547 AUD
ZAR 51,605 ZAR
View
B
Retailer 8
-
$4,684 AUD
$3,290 USD
View
B
Retailer 9
-
$5,552 AUD
$3,900 USD
View
B
Retailer 10
-
$6,352 AUD
$4,462 USD
View
B
Retailer 11
-
$6,667 AUD
$4,683 USD
View
B
Retailer 12
-
$7,104 AUD
£3,929 GBP
View
B
Retailer 13
-
$8,699 AUD
$6,111 USD
View
Most Expensive
B
With Clarity
799630374 · Oct 31
$9,009 AUD
$6,328 USD
View
13 more retailers have this diamond
Prices start from $2,688 AUDSave up to $6,321 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.

B+
1.51ct Marquise
$2,688 AUD