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Marquise|Lab Grown|IGI

2.58ct D IF Marquise Lab Grown Diamond

EX • D/IF • IGI LG831604156

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG831604156

Diamond specifications and retailer prices

From $3,564 AUD
$2,498 USD
As of November 2, 2026
Save $11,608 AUD (77%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $15,172 AUD at With Clarity · As of November 2, 2026
View at With Clarity

About this 2.58ct lab-grown marquise diamond

This 2.58ct 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 LG831604156 or 831604156. Listed at 23 retailers as of November 2, 2026, with prices from $3,564 to $15,172, a $11,608 spread on the same certified stone. With Clarity lists it at $15,172. 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

2.58
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831604156
Dimensions14.15 × 7.22 × 4.48 mm
L/W Ratio1.96
Girdle conditionFaceted
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
14.15 mm7.22 mm2.58 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831604156
Side View
Table 58.0%Crown 34.8°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 62.0%

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: Nov 2
Current: $5,485 AUD|Low: $3,564 AUD|High: $15,172 AUD|Avg: $8,096 AUD
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
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
With Clarity
November 2, 2026
Retailer 16$3,564 AUD
Retailer 18$3,877 AUD
Retailer 10$3,991 AUD
Retailer 5$4,134 AUD
Retailer 3$4,219 AUD
Retailer 4$4,366 AUD
Retailer 9$4,495 AUD
Retailer 12$4,550 AUD
Retailer 13$4,785 AUD
Retailer 1$5,485 AUD
Retailer 17$5,582 AUD
Retailer 7$5,682 AUD
Retailer 20$5,967 AUD
Retailer 6$7,850 AUD
Retailer 8$8,676 AUD
Retailer 21$9,814 AUD
Retailer 14$10,499 AUD
Retailer 19$11,069 AUD
Retailer 22$12,165 AUD
Retailer 11$13,851 AUD
Retailer 15$14,426 AUD
Retailer 2$14,957 AUD
With Clarity$15,172 AUD

4 data points across 23 retailers

23 retailers$3,564 AUD to $15,172 AUD

A
Cheapest Retailer
-
$3,564 AUD
$2,498 USD
A
Retailer 2
-
$3,877 AUD
$2,717 USD
View
A
Retailer 3
-
$3,991 AUD
$2,797 USD
View
Final sale: no returns
A
Retailer 4
-
$4,134 AUD
$2,897 USD
View
A
Retailer 5
-
$4,219 AUD
$2,957 USD
View
A
Retailer 6
-
$4,366 AUD
$3,060 USD
View
A
Retailer 7
-
$4,495 AUD
$3,150 USD
View
A
Retailer 8
-
$4,550 AUD
£2,511 GBP
View
A
Retailer 9
-
$4,785 AUD
HK$26,200 HKD
View
A
Retailer 10
-
$5,485 AUD
$3,844 USD
View
A
Retailer 11
-
$5,582 AUD
£3,080 GBP
View
A
Retailer 12
-
$5,682 AUD
$3,982 USD
View
B+
Retailer 13
-
$5,967 AUD
$4,182 USD
View
B+
Retailer 14
-
$7,850 AUD
£4,332 GBP
View
B+
Retailer 15
-
$8,676 AUD
$6,080 USD
View
B
Retailer 16
-
$9,814 AUD
View
B
Retailer 17
-
$10,499 AUD
$7,358 USD
View
B
Retailer 18
-
$11,069 AUD
£6,108 GBP
View
B
Retailer 19
-
$12,165 AUD
$8,526 USD
View
B
Retailer 20
-
$13,851 AUD
SGD 13,118 SGD
View
B
Retailer 21
-
$14,426 AUD
$10,110 USD
View
B
Retailer 22
-
$14,957 AUD
View
Most Expensive
B
With Clarity
831604156 · Nov 2
$15,172 AUD
$10,633 USD
View
22 more retailers have this diamond
Prices start from $3,564 AUDSave up to $11,608 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
2.58ct Marquise
$3,564 AUD