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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 $2,588 USD
As of November 2, 2026
Save $10,115 USD (80%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $12,703 USD 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 $2,588 to $12,703, a $10,115 spread on the same certified stone. Taylor and Hart lists it at $12,703. 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $4,832 USD|Low: $2,588 USD|High: $9,347 USD|Avg: $5,889 USD|-0.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 2, 2026
Retailer 7$2,588 USD
Retailer 5$3,273 USD
Retailer 4$4,637 USD
Retailer 1$4,832 USD
Retailer 3$5,799 USD
Retailer 8$7,732 USD
Retailer 6$9,082 USD
Retailer 2$9,224 USD

41 data points across 8 retailers

9 retailers$2,588 USD to $12,703 USD

A
Cheapest Retailer
-
$2,588 USD
A
Retailer 2
-
$3,273 USD
View
B+
Retailer 3
-
$4,637 USD
View
B+
Retailer 4
-
$4,832 USD
£3,804 GBP
View
B+
Retailer 5
-
$5,799 USD
A$8,921 AUD
View
B
Retailer 6
-
$7,732 USD
View
Retailer 7
-
$9,082 USD
View
Price last confirmed 9 days ago
B
Retailer 8
-
$9,224 USD
£7,263 GBP
View
Most Expensive
B
Taylor and Hart
SFUUM02 · Oct 31
$12,703 USD
View
8 more retailers have this diamond
Prices start from $2,588 USDSave up to $10,115 USD

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
$2,588 USD