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Marquise|Lab Grown|IGI

2.58ct D IF Marquise Lab Grown Diamond

EX • D/IF • IGI LG734519351

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG734519351

Diamond specifications and retailer prices

From $3,715 SGD
$2,906 USD
As of November 2, 2026
Save $14,694 SGD (80%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $27,882 SGD at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

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 LG734519351 or 734519351. Listed at 20 retailers as of October 31, 2026, with a 396% 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
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG734519351
Dimensions13.89 × 7.24 × 4.56 mm
L/W Ratio1.92
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
13.89 mm7.24 mm2.58 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG734519351
Side View
Table 61.0%Crown 36°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 63.0%

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: $27,882 SGD|Low: $3,715 SGD|High: $27,882 SGD|Avg: $11,333 SGD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
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Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
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Retailer 17
Retailer 18
Retailer 19
Retailer 20
November 2, 2026
Retailer 4$3,715 SGD
Retailer 10$4,538 SGD
Retailer 6$4,903 SGD
Retailer 2$5,711 SGD
Retailer 17$6,181 SGD
Retailer 3$6,617 SGD
Retailer 13$6,937 SGD
Retailer 20$7,301 SGD
Retailer 5$7,949 SGD
Retailer 14$11,115 SGD
Retailer 18$11,237 SGD
Retailer 8$11,800 SGD
Retailer 15$12,421 SGD
Retailer 16$13,386 SGD
Retailer 7$13,575 SGD
Retailer 11$15,008 SGD
Retailer 12$17,589 SGD
Retailer 9$18,257 SGD
Retailer 19$18,409 SGD
Do Amore Diamonds$27,882 SGD

10 data points across 20 retailers

20 retailers$3,715 SGD to $18,409 SGD

A
Cheapest Retailer
-
$3,715 SGD
$2,906 USD
A
Retailer 2
-
$4,538 SGD
$3,550 USD
View
Final sale: no returns
A
Retailer 3
-
$4,903 SGD
$3,835 USD
View
A
Retailer 4
-
$5,711 SGD
£3,518 GBP
View
B+
Retailer 5
-
$6,181 SGD
$4,835 USD
View
B+
Retailer 6
-
$6,617 SGD
$5,176 USD
View
B+
Retailer 7
-
$6,937 SGD
£4,273 GBP
View
B+
Retailer 8
-
$7,301 SGD
$5,711 USD
View
B+
Retailer 9
-
$7,949 SGD
£4,896 GBP
View
B+
Retailer 10
-
$11,115 SGD
£6,846 GBP
View
B
Retailer 11
-
$11,237 SGD
$8,790 USD
View
B
Retailer 12
-
$11,800 SGD
$9,230 USD
View
B
Retailer 13
-
$12,421 SGD
A$14,948 AUD
View
B
Retailer 14
-
$13,386 SGD
ZAR 169,163 ZAR
View
B
Retailer 15
-
$13,575 SGD
$10,619 USD
View
Retailer 16
-
$15,008 SGD
$11,740 USD
View
Price last confirmed 9 days ago
B
Retailer 17
-
$17,589 SGD
$13,758 USD
View
B
Retailer 18
-
$18,257 SGD
$14,281 USD
View
B
Retailer 19
-
$18,409 SGD
$14,400 USD
View
Most Expensive
Do Amore Diamonds
27-2967B11AF · Nov 2
$27,882 SGD
$21,810 USD
View
Price under review
19 more retailers have this diamond
Prices start from $3,715 SGDSave up to $14,694 SGD

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
$3,715 SGD