CaratHunter
Plans
Marquise|Lab Grown|IGI

2.58ct F IF Marquise Lab Grown Diamond

EX • F/IF • IGI LG803681345

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG803681345

Diamond specifications and retailer prices

From $3,693 AUD
$2,588 USD
As of November 2, 2026
Save $14,433 AUD (80%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $18,125 AUD at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 2.58ct lab-grown marquise diamond

This 2.58ct lab-grown marquise sits in the two to three carat band, graded F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG803681345 or 803681345. Listed at 9 retailers as of October 31, 2026, with prices from $3,693 to $18,125, a $14,433 spread on the same certified stone. Taylor and Hart lists it at $18,125. 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
F
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG803681345
Dimensions14.09 × 7.12 × 4.53 mm
L/W Ratio1.98
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.09 mm7.12 mm2.58 ctF / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG803681345
Side View
Table 59.0%Crown 33.8°Girdle: STK-THKPavilion 40.9°Culet: NoneDepth 63.6%

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: $6,894 AUD|Low: $3,693 AUD|High: $13,338 AUD|Avg: $8,421 AUD|-0.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 2, 2026
Retailer 7$3,693 AUD
Retailer 5$4,670 AUD
Retailer 4$6,617 AUD
Retailer 1$6,894 AUD
Retailer 3$8,274 AUD
Retailer 8$11,033 AUD
Retailer 6$12,959 AUD
Retailer 2$13,162 AUD

40 data points across 8 retailers

9 retailers$3,693 AUD to $18,125 AUD

A
Cheapest Retailer
-
$3,693 AUD
$2,588 USD
A
Retailer 2
-
$4,670 AUD
$3,273 USD
View
B+
Retailer 3
-
$6,617 AUD
$4,637 USD
View
B+
Retailer 4
-
$6,894 AUD
£3,804 GBP
View
B+
Retailer 5
-
$8,274 AUD
View
B
Retailer 6
-
$11,033 AUD
$7,732 USD
View
Retailer 7
-
$12,959 AUD
$9,082 USD
View
Price last confirmed 9 days ago
B
Retailer 8
-
$13,162 AUD
£7,263 GBP
View
Most Expensive
B
Taylor and Hart
SFUUM02 · Oct 31
$18,125 AUD
$12,703 USD
View
8 more retailers have this diamond
Prices start from $3,693 AUDSave up to $14,433 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
$3,693 AUD