Marquise|Lab Grown|IGI

2.58ct E IF Marquise Lab Grown Diamond

ID • E/IF • IGI LG735530850

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG735530850

Diamond specifications and retailer prices

From $2,311 USD
As of October 24, 2026
Save $593 USD (20%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $8,090 USD at Brilliant Earth · As of October 23, 2026
View at Brilliant Earth

About this 2.58ct lab-grown marquise diamond

This 2.58ct lab-grown marquise sits in the two to three carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG735530850 or 735530850. Listed at 18 retailers as of October 24, 2026, with a 26% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG735530850
Dimensions13.32 × 7.34 × 4.53 mm
L/W Ratio1.81
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.32 mm7.34 mm2.58 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG735530850
Side View
Table 58.0%Crown 35°Girdle: STK-THKPavilion 39.8°Culet: NoneDepth 61.7%

Caratlytics Score

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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: Oct 24
Current: $8,090 USD|Low: $1,435 USD|High: $8,090 USD|Avg: $4,193 USD
Brilliant Earth
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
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Retailer 17
October 26, 2026
Retailer 5$2,193 USD
Retailer 7$2,245 USD
Retailer 8$2,311 USD
Retailer 10$2,316 USD
Retailer 2$2,904 USD
Retailer 11$3,187 USD
Retailer 12$3,431 USD
Retailer 13$3,442 USD
Retailer 17$3,468 USD
Retailer 4$4,343 USD
Retailer 14$4,395 USD
Retailer 16$5,375 USD
Retailer 6$6,017 USD
Retailer 9$6,192 USD
Retailer 15$6,577 USD
Retailer 3$7,857 USD
Brilliant Earth$8,090 USD

26 data points across 17 retailers

18 retailers$2,311 USD to $2,904 USD

Retailer 1
-
$1,789 USD
Price last confirmed 9 days ago
Retailer 2
-
$2,075 USD
View
Price last confirmed 8 days ago
Retailer 3
-
$2,245 USD
View
Price last confirmed 7 days ago
A
Retailer 4
-
$2,311 USD
View
Retailer 5
-
$2,316 USD
£1,824 GBP
View
Price last confirmed 8 days ago
A
Retailer 6
-
$2,714 USD
HK$21,200 HKD
View
A
Retailer 7
-
$2,904 USD
A$4,468 AUD
View
Retailer 8
-
$3,187 USD
£2,510 GBP
View
Price last confirmed 8 days ago
Retailer 9
-
$3,431 USD
View
Price last confirmed 8 days ago
Retailer 10
-
$3,468 USD
View
Price last confirmed 12 days ago
Retailer 11
-
$4,343 USD
£3,420 GBP
View
Price last confirmed 8 days ago
Retailer 12
-
$4,395 USD
View
Price last confirmed 12 days ago
Retailer 13
-
$5,375 USD
View
Price last confirmed 8 days ago
Retailer 14
-
$6,192 USD
View
Price last confirmed 9 days ago
Retailer 15
-
$6,577 USD
£5,179 GBP
View
Price last confirmed 12 days ago
Retailer 16
-
$7,857 USD
SGD 10,618 SGD
View
Price last confirmed 9 days ago
Retailer 17
-
$8,019 USD
View
Price last confirmed 9 days ago
Most Expensive
Brilliant Earth
15886365A · Oct 23
$8,090 USD
View
Price last confirmed 7 days ago
17 more retailers have this diamond
Prices start from $2,311 USDSave up to $593 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
$2,311 USD