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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 $5,165 NZD
$2,906 USD
As of November 2, 2026
Save $20,428 NZD (80%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $38,763 NZD 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 November 2, 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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $38,763 NZD|Low: $5,165 NZD|High: $38,763 NZD|Avg: $15,755 NZD
Do Amore Diamonds
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
November 2, 2026
Retailer 4$5,165 NZD
Retailer 10$6,309 NZD
Retailer 6$6,816 NZD
Retailer 2$7,940 NZD
Retailer 17$8,593 NZD
Retailer 3$9,199 NZD
Retailer 13$9,644 NZD
Retailer 20$10,150 NZD
Retailer 5$11,051 NZD
Retailer 14$15,453 NZD
Retailer 18$15,622 NZD
Retailer 8$16,404 NZD
Retailer 15$17,269 NZD
Retailer 16$18,610 NZD
Retailer 7$18,872 NZD
Retailer 11$20,865 NZD
Retailer 12$24,453 NZD
Retailer 9$25,382 NZD
Retailer 19$25,593 NZD
Do Amore Diamonds$38,763 NZD

10 data points across 20 retailers

20 retailers$5,165 NZD to $25,593 NZD

A
Cheapest Retailer
-
$5,165 NZD
$2,906 USD
A
Retailer 2
-
$6,309 NZD
$3,550 USD
View
Final sale: no returns
A
Retailer 3
-
$6,816 NZD
$3,835 USD
View
A
Retailer 4
-
$7,940 NZD
£3,518 GBP
View
B+
Retailer 5
-
$8,593 NZD
$4,835 USD
View
B+
Retailer 6
-
$9,199 NZD
$5,176 USD
View
B+
Retailer 7
-
$9,644 NZD
£4,273 GBP
View
B+
Retailer 8
-
$10,150 NZD
$5,711 USD
View
B+
Retailer 9
-
$11,051 NZD
£4,896 GBP
View
B+
Retailer 10
-
$15,453 NZD
£6,846 GBP
View
B
Retailer 11
-
$15,622 NZD
$8,790 USD
View
B
Retailer 12
-
$16,404 NZD
$9,230 USD
View
B
Retailer 13
-
$17,269 NZD
A$14,948 AUD
View
B
Retailer 14
-
$18,610 NZD
ZAR 169,163 ZAR
View
B
Retailer 15
-
$18,872 NZD
$10,619 USD
View
Retailer 16
-
$20,865 NZD
$11,740 USD
View
Price last confirmed 9 days ago
B
Retailer 17
-
$24,453 NZD
$13,758 USD
View
B
Retailer 18
-
$25,382 NZD
$14,281 USD
View
B
Retailer 19
-
$25,593 NZD
$14,400 USD
View
Most Expensive
Do Amore Diamonds
27-2967B11AF · Nov 2
$38,763 NZD
$21,810 USD
View
Price under review
19 more retailers have this diamond
Prices start from $5,165 NZDSave up to $20,428 NZD

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
$5,165 NZD