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 $2,797 USD
As of October 31, 2026
Save $7,313 USD (72%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $10,110 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 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 10 retailers as of October 31, 2026, with prices from $2,797 to $10,110, a $7,313 spread on the same certified stone. Taylor and Hart lists it at $10,110. 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
Color
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: Oct 31
Current: $5,502 USD|Low: $2,797 USD|High: $10,110 USD|Avg: $5,869 USD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Taylor and Hart
November 1, 2026
Retailer 5$2,797 USD
Retailer 4$3,150 USD
Retailer 8$3,354 USD
Retailer 6$3,912 USD
Retailer 2$3,982 USD
Retailer 1$5,502 USD
Retailer 3$6,080 USD
Retailer 9$7,358 USD
Retailer 7$9,707 USD
Taylor and Hart$10,110 USD

3 data points across 10 retailers

10 retailers$2,797 USD to $10,110 USD

A
Cheapest Retailer
-
$2,797 USD
Final sale: no returns
A
Retailer 2
-
$3,150 USD
View
A
Retailer 3
-
$3,354 USD
HK$26,200 HKD
View
A
Retailer 4
-
$3,912 USD
£3,080 GBP
View
A
Retailer 5
-
$3,982 USD
View
B+
Retailer 6
-
$5,502 USD
£4,332 GBP
View
B+
Retailer 7
-
$6,080 USD
View
B
Retailer 8
-
$7,358 USD
View
B
Retailer 9
-
$9,707 USD
SGD 13,118 SGD
View
Most Expensive
B
Taylor and Hart
JR3RDWI · Oct 31
$10,110 USD
View
9 more retailers have this diamond
Prices start from $2,797 USDSave up to $7,313 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
$2,797 USD