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Marquise|Lab Grown|IGI

2.54ct D IF Marquise Lab Grown Diamond

EX • D/IF • IGI LG817661438

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG817661438

Diamond specifications and retailer prices

From $2,386 AUD
$1,676 USD
As of November 2, 2026
Save $7,330 AUD (75%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $9,716 AUD at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 2.54ct lab-grown marquise diamond

This 2.54ct lab-grown marquise sits in the two to three carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG817661438 or 817661438. Listed at 19 retailers as of October 31, 2026, with prices from $2,386 to $9,716, a $7,330 spread on the same certified stone. Taylor and Hart lists it at $9,716. 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

2.54
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG817661438
Dimensions14.21 × 7.09 × 4.50 mm
L/W Ratio2.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.21 mm7.09 mm2.54 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG817661438
Side View
Table 58.0%Crown 35°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 63.5%

Caratlytics Score

How it works →
A+
Exceptional
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 2
Current: $3,924 AUD|Low: $2,386 AUD|High: $10,349 AUD|Avg: $5,075 AUD|-8.7%
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
Taylor and Hart
November 2, 2026
Retailer 8$2,386 AUD
Retailer 13$2,597 AUD
Retailer 3$2,672 AUD
Retailer 6$2,769 AUD
Retailer 12$3,011 AUD
Retailer 14$3,125 AUD
Retailer 1$3,924 AUD
Retailer 2$3,999 AUD
Retailer 15$4,349 AUD
Retailer 16$4,773 AUD
Retailer 5$5,189 AUD
Retailer 7$5,728 AUD
Retailer 9$6,572 AUD
Retailer 10$7,143 AUD
Retailer 4$7,460 AUD
Retailer 11$7,950 AUD
Taylor and Hart$9,716 AUD

35 data points across 17 retailers

19 retailers$2,386 AUD to $9,716 AUD

A+
Cheapest Retailer
-
$2,386 AUD
$1,676 USD
A
Retailer 2
-
$2,597 AUD
$1,824 USD
View
A
Retailer 3
-
$2,672 AUD
$1,877 USD
View
Final sale: no returns
A
Retailer 4
-
$2,769 AUD
$1,945 USD
View
Retailer 5
-
$2,896 AUD
$2,034 USD
View
Price last confirmed 20 days ago
A
Retailer 6
-
$3,011 AUD
$2,115 USD
View
A
Retailer 7
-
$3,125 AUD
$2,195 USD
View
A
Retailer 8
-
$3,924 AUD
£2,170 GBP
View
A
Retailer 9
-
$3,999 AUD
$2,809 USD
View
A
Retailer 10
-
$4,349 AUD
$3,055 USD
View
A
Retailer 11
-
$4,773 AUD
$3,353 USD
View
A
Retailer 12
-
$5,189 AUD
$3,645 USD
View
A
Retailer 13
-
$5,728 AUD
£3,168 GBP
View
Retailer 14
-
$6,529 AUD
$4,586 USD
View
Price last confirmed 105 days ago
B+
Retailer 15
-
$6,572 AUD
View
B+
Retailer 16
-
$7,143 AUD
ZAR 81,058 ZAR
View
B+
Retailer 17
-
$7,460 AUD
$5,240 USD
View
B+
Retailer 18
-
$7,950 AUD
£4,397 GBP
View
Most Expensive
B+
Taylor and Hart
296ETUU · Oct 31
$9,716 AUD
$6,825 USD
View
18 more retailers have this diamond
Prices start from $2,386 AUDSave up to $7,330 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+
2.54ct Marquise
$2,386 AUD