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Cushion|Lab Grown|IGI

3.17ct E IF Cushion Lab Grown Diamond

EX • E/IF • IGI LG741580359

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG741580359

Diamond specifications and retailer prices

From $4,199 NZD
£1,863 GBP
As of October 30, 2026
Save $6,271 NZD (60%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $10,470 NZD at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

About this 3.17ct lab-grown cushion diamond

This 3.17ct lab-grown cushion sits in the three to five carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG741580359 or 741580359. Listed at 7 retailers as of October 30, 2026, with prices from $4,199 to $10,470, a $6,271 spread on the same certified stone. Taylor and Hart lists it at $10,470. 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

3.17
Carat
E
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle35.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG741580359
Dimensions9.88 × 7.45 × 5.00 mm
L/W Ratio1.33
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.88 mm7.45 mm3.17 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG741580359
Side View
Table 59.0%Crown 33.9°Girdle: MED-STKPavilion 35.4°Culet: NoneDepth 67.1%

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 30
Current: $4,199 NZD|Low: $4,174 NZD|High: $10,470 NZD|Avg: $6,530 NZD|-6.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Taylor and Hart
October 30, 2026
Retailer 1$4,199 NZD
Retailer 4$4,255 NZD
Retailer 2$4,846 NZD
Retailer 5$5,928 NZD
Retailer 3$8,464 NZD
Retailer 6$10,184 NZD
Taylor and Hart$10,470 NZD

40 data points across 7 retailers

7 retailers$4,199 NZD to $10,470 NZD

A
Cheapest Retailer
-
$4,199 NZD
£1,863 GBP
A
Retailer 2
-
$4,255 NZD
$2,398 USD
View
A
Retailer 3
-
$4,846 NZD
€2,601 EUR
View
A
Retailer 4
-
$5,928 NZD
$3,341 USD
View
B+
Retailer 5
-
$8,464 NZD
£3,756 GBP
View
Retailer 6
-
$10,184 NZD
$5,740 USD
View
Price last confirmed 10 days ago
Most Expensive
B+
Taylor and Hart
ONUH8LS · Oct 30
$10,470 NZD
$5,901 USD
View
6 more retailers have this diamond
Prices start from $4,199 NZDSave up to $6,271 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
3.17ct Cushion
$4,199 NZD