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 $4,440 NZD
$2,498 USD
As of November 2, 2026
Save $14,458 NZD (77%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $18,898 NZD at With Clarity · As of November 2, 2026
View at With Clarity

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 23 retailers as of November 2, 2026, with prices from $4,440 to $18,898, a $14,458 spread on the same certified stone. With Clarity lists it at $18,898. 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 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: Nov 2
Current: $6,832 NZD|Low: $4,440 NZD|High: $18,898 NZD|Avg: $10,084 NZD
Retailer 1
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
Retailer 21
Retailer 22
With Clarity
November 2, 2026
Retailer 16$4,440 NZD
Retailer 18$4,829 NZD
Retailer 10$4,971 NZD
Retailer 5$5,149 NZD
Retailer 3$5,255 NZD
Retailer 4$5,439 NZD
Retailer 9$5,598 NZD
Retailer 12$5,667 NZD
Retailer 13$5,960 NZD
Retailer 1$6,832 NZD
Retailer 17$6,953 NZD
Retailer 7$7,077 NZD
Retailer 20$7,433 NZD
Retailer 6$9,778 NZD
Retailer 8$10,806 NZD
Retailer 21$12,224 NZD
Retailer 14$13,077 NZD
Retailer 19$13,787 NZD
Retailer 22$15,153 NZD
Retailer 11$17,253 NZD
Retailer 15$17,968 NZD
Retailer 2$18,629 NZD
With Clarity$18,898 NZD

4 data points across 23 retailers

23 retailers$4,440 NZD to $18,898 NZD

A
Cheapest Retailer
-
$4,440 NZD
$2,498 USD
A
Retailer 2
-
$4,829 NZD
$2,717 USD
View
A
Retailer 3
-
$4,971 NZD
$2,797 USD
View
Final sale: no returns
A
Retailer 4
-
$5,149 NZD
$2,897 USD
View
A
Retailer 5
-
$5,255 NZD
$2,957 USD
View
A
Retailer 6
-
$5,439 NZD
$3,060 USD
View
A
Retailer 7
-
$5,598 NZD
$3,150 USD
View
A
Retailer 8
-
$5,667 NZD
£2,511 GBP
View
A
Retailer 9
-
$5,960 NZD
HK$26,200 HKD
View
A
Retailer 10
-
$6,832 NZD
$3,844 USD
View
A
Retailer 11
-
$6,953 NZD
£3,080 GBP
View
A
Retailer 12
-
$7,077 NZD
$3,982 USD
View
B+
Retailer 13
-
$7,433 NZD
$4,182 USD
View
B+
Retailer 14
-
$9,778 NZD
£4,332 GBP
View
B+
Retailer 15
-
$10,806 NZD
$6,080 USD
View
B
Retailer 16
-
$12,224 NZD
A$10,581 AUD
View
B
Retailer 17
-
$13,077 NZD
$7,358 USD
View
B
Retailer 18
-
$13,787 NZD
£6,108 GBP
View
B
Retailer 19
-
$15,153 NZD
$8,526 USD
View
B
Retailer 20
-
$17,253 NZD
SGD 13,118 SGD
View
B
Retailer 21
-
$17,968 NZD
$10,110 USD
View
B
Retailer 22
-
$18,629 NZD
A$16,126 AUD
View
Most Expensive
B
With Clarity
831604156 · Nov 2
$18,898 NZD
$10,633 USD
View
22 more retailers have this diamond
Prices start from $4,440 NZDSave up to $14,458 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
$4,440 NZD