Marquise|Lab Grown|IGI

2.54ct D IF Marquise Lab Grown Diamond

EX • D/IF • IGI LG817661438

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG817661438

Diamond specifications and retailer prices

From $2,974 NZD
$1,676 USD
As of November 2, 2026
Save $9,135 NZD (75%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $12,109 NZD at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 2.54ct lab-grown marquise diamond

This 2.54ct 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 LG817661438 or 817661438. Listed at 19 retailers as of October 31, 2026, with prices from $2,974 to $12,109, a $9,135 spread on the same certified stone. Taylor and Hart lists it at $12,109. 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

2.54
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG817661438
Dimensions14.21 × 7.09 × 4.50 mm
L/W Ratio2.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.21 mm7.09 mm2.54 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG817661438
Side View
Table 58.0%Crown 35°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 63.5%

Caratlytics Score

How it works →
A+
Exceptional
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: $4,891 NZD|Low: $2,974 NZD|High: $12,898 NZD|Avg: $6,326 NZD|-8.7%
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
Taylor and Hart
November 2, 2026
Retailer 8$2,974 NZD
Retailer 13$3,236 NZD
Retailer 3$3,330 NZD
Retailer 6$3,451 NZD
Retailer 12$3,753 NZD
Retailer 14$3,895 NZD
Retailer 1$4,891 NZD
Retailer 2$4,984 NZD
Retailer 15$5,420 NZD
Retailer 16$5,949 NZD
Retailer 5$6,467 NZD
Retailer 7$7,139 NZD
Retailer 9$8,191 NZD
Retailer 10$8,903 NZD
Retailer 4$9,297 NZD
Retailer 11$9,908 NZD
Taylor and Hart$12,109 NZD

35 data points across 17 retailers

19 retailers$2,974 NZD to $12,109 NZD

A+
Cheapest Retailer
-
$2,974 NZD
$1,676 USD
A
Retailer 2
-
$3,236 NZD
$1,824 USD
View
A
Retailer 3
-
$3,330 NZD
$1,877 USD
View
Final sale: no returns
A
Retailer 4
-
$3,451 NZD
$1,945 USD
View
Retailer 5
-
$3,609 NZD
$2,034 USD
View
Price last confirmed 20 days ago
A
Retailer 6
-
$3,753 NZD
$2,115 USD
View
A
Retailer 7
-
$3,895 NZD
$2,195 USD
View
A
Retailer 8
-
$4,891 NZD
£2,170 GBP
View
A
Retailer 9
-
$4,984 NZD
$2,809 USD
View
A
Retailer 10
-
$5,420 NZD
$3,055 USD
View
A
Retailer 11
-
$5,949 NZD
$3,353 USD
View
A
Retailer 12
-
$6,467 NZD
$3,645 USD
View
A
Retailer 13
-
$7,139 NZD
£3,168 GBP
View
Retailer 14
-
$8,138 NZD
$4,586 USD
View
Price last confirmed 105 days ago
B+
Retailer 15
-
$8,191 NZD
A$7,102 AUD
View
B+
Retailer 16
-
$8,903 NZD
ZAR 81,058 ZAR
View
B+
Retailer 17
-
$9,297 NZD
$5,240 USD
View
B+
Retailer 18
-
$9,908 NZD
£4,397 GBP
View
Most Expensive
B+
Taylor and Hart
296ETUU · Oct 31
$12,109 NZD
$6,825 USD
View
18 more retailers have this diamond
Prices start from $2,974 NZDSave up to $9,135 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+
2.54ct Marquise
$2,974 NZD