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Oval|Lab Grown|IGI

4.50ct E IF Oval Lab Grown Diamond

ID • E/IF • IGI LG744514788

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG744514788

Diamond specifications and retailer prices

From $5,796 NZD
$3,255 USD
As of October 29, 2026
Save $34,088 NZD (85%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $39,883 NZD at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

About this 4.5ct lab-grown oval diamond

This 4.5ct lab-grown oval 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 LG744514788 or 744514788. Listed at 18 retailers as of October 29, 2026, with prices from $5,796 to $39,883, a $34,088 spread on the same certified stone. Do Amore Diamonds lists it at $39,883. 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

4.50
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle38.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG744514788
Dimensions13.06 × 9.33 × 5.64 mm
L/W Ratio1.40
Girdle conditionFaceted
Culet sizePointed
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
13.06 mm9.33 mm4.50 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG744514788
Side View
Table 56.0%Crown 34.2°Girdle: STK-THKPavilion 38.6°Culet: NoneDepth 60.5%

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 29
Current: $39,883 NZD|Low: $5,689 NZD|High: $47,005 NZD|Avg: $13,453 NZD|-15.2%
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
October 30, 2026
Retailer 12$5,796 NZD
Retailer 2$6,200 NZD
Retailer 18$6,307 NZD
Retailer 14$6,476 NZD
Retailer 16$7,006 NZD
Retailer 10$7,653 NZD
Retailer 9$8,938 NZD
Retailer 15$9,273 NZD
Retailer 17$9,273 NZD
Retailer 13$10,437 NZD
Retailer 4$12,191 NZD
Retailer 6$13,185 NZD
Retailer 11$15,980 NZD
Retailer 5$16,462 NZD
Retailer 3$18,400 NZD
Retailer 7$22,953 NZD
Retailer 8$29,200 NZD
Do Amore Diamonds$39,883 NZD

37 data points across 18 retailers

18 retailers$5,796 NZD to $39,883 NZD

A
Cheapest Retailer
-
$5,796 NZD
$3,255 USD
A
Retailer 2
-
$6,200 NZD
£2,742 GBP
View
A
Retailer 3
-
$6,307 NZD
$3,542 USD
View
A
Retailer 4
-
$6,476 NZD
$3,637 USD
View
A
Retailer 5
-
$7,006 NZD
$3,935 USD
View
A
Retailer 6
-
$7,653 NZD
$4,298 USD
View
Final sale: no returns
A
Retailer 7
-
$8,938 NZD
$5,020 USD
View
A
Retailer 8
-
$9,273 NZD
$5,208 USD
View
A
Retailer 9
-
$9,273 NZD
$5,208 USD
View
A
Retailer 10
-
$10,437 NZD
$5,862 USD
View
A
Retailer 11
-
$12,191 NZD
€6,521 EUR
View
Retailer 12
-
$13,185 NZD
$7,405 USD
View
Price last confirmed 8 days ago
B+
Retailer 13
-
$15,980 NZD
£7,067 GBP
View
Retailer 14
-
$16,462 NZD
A$14,224 AUD
View
Price last confirmed 7 days ago
B+
Retailer 15
-
$18,400 NZD
$10,334 USD
View
Retailer 16
-
$22,953 NZD
A$19,833 AUD
View
Price last confirmed 21 days ago
B
Retailer 17
-
$29,200 NZD
$16,400 USD
View
Most Expensive
B
Do Amore Diamonds
27-15CCFC341 · Oct 30
$39,883 NZD
$22,400 USD
View
17 more retailers have this diamond
Prices start from $5,796 NZDSave up to $34,088 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
4.50ct Oval
$5,796 NZD