Marquise|Lab Grown|IGI

2.59ct E IF Marquise Lab Grown Diamond

ID • E/IF • IGI LG844615629

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG844615629

Diamond specifications and retailer prices

From $1,700 USD
As of October 28, 2026
Save $2,447 USD (59%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $4,147 USD at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

About this 2.59ct lab-grown marquise diamond

This 2.59ct 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 LG844615629 or 844615629. Listed at 6 retailers as of October 28, 2026, with prices from $1,700 to $4,147, a $2,447 spread on the same certified stone. Taylor and Hart lists it at $4,147. 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

2.59
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.4°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG844615629
Dimensions15.78 × 7.19 × 4.22 mm
L/W Ratio2.19
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.78 mm7.19 mm2.59 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG844615629
Side View
Table 61.0%Crown 31.4°Girdle: THN-STKPavilion 39.7°Culet: NoneDepth 58.7%

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: Oct 28
Current: $1,714 USD|Low: $1,700 USD|High: $4,278 USD|Avg: $2,701 USD|-6.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Taylor and Hart
October 30, 2026
Retailer 5$1,700 USD
Retailer 1$1,714 USD
Retailer 4$2,039 USD
Retailer 3$2,764 USD
Retailer 2$4,054 USD
Taylor and Hart$4,147 USD

17 data points across 6 retailers

6 retailers$1,700 USD to $4,147 USD

A
Cheapest Retailer
-
$1,700 USD
A
Retailer 2
-
$1,714 USD
£1,350 GBP
View
A
Retailer 3
-
$2,039 USD
€1,942 EUR
View
A
Retailer 4
-
$2,764 USD
View
A
Retailer 5
-
$4,054 USD
£3,192 GBP
View
Most Expensive
B+
Taylor and Hart
HCJXZH7 · Oct 30
$4,147 USD
View
5 more retailers have this diamond
Prices start from $1,700 USDSave up to $2,447 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
2.59ct Marquise
$1,700 USD