Round|Lab Grown|IGI

5.43ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG754594375

Shape and cutting style on the report: Round brilliant

Certificate IGI LG754594375

Diamond specifications and retailer prices

From $9,546 NZD
$5,380 USD
As of October 29, 2026
Save $56,139 NZD (85%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $65,685 NZD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 5.43ct lab-grown round diamond

This 5.43ct lab-grown round sits in the over five carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG754594375 or 754594375. Listed at 17 retailers as of October 29, 2026, with prices from $9,546 to $65,685, a $56,139 spread on the same certified stone. Do Amore Diamonds lists it at $65,685. 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

5.43
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754594375
Dimensions11.30 × 11.36 × 6.93 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
HEARTS & ARROWS 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
11.30 mm11.36 mm5.43 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754594375
Side View
Table 57.0%Crown 34.1°Girdle: MediumPavilion 40.9°Culet: NoneDepth 61.1%

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 29
Current: $65,685 NZD|Low: $9,354 NZD|High: $67,051 NZD|Avg: $21,392 NZD|-2.0%
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 31, 2026
Retailer 18$9,546 NZD
Retailer 4$10,005 NZD
Retailer 16$10,076 NZD
Retailer 8$10,915 NZD
Retailer 11$11,089 NZD
Retailer 10$13,316 NZD
Retailer 17$13,637 NZD
Retailer 3$14,510 NZD
Retailer 14$15,046 NZD
Retailer 15$17,102 NZD
Retailer 2$20,627 NZD
Retailer 9$20,838 NZD
Retailer 13$25,006 NZD
Retailer 5$25,647 NZD
Retailer 6$26,137 NZD
Retailer 12$30,003 NZD
Retailer 7$34,443 NZD
Do Amore Diamonds$65,685 NZD

36 data points across 18 retailers

17 retailers$9,546 NZD to $65,685 NZD

A
Cheapest Retailer
-
$9,546 NZD
$5,380 USD
A
Retailer 2
-
$10,005 NZD
$5,639 USD
View
A
Retailer 3
-
$10,076 NZD
$5,679 USD
View
A
Retailer 4
-
$10,915 NZD
$6,152 USD
View
Final sale: no returns
A
Retailer 5
-
$11,089 NZD
$6,250 USD
View
A
Retailer 6
-
$13,316 NZD
$7,505 USD
View
A
Retailer 7
-
$13,637 NZD
$7,686 USD
View
A
Retailer 8
-
$14,510 NZD
$8,178 USD
View
A
Retailer 9
-
$15,046 NZD
$8,480 USD
View
A
Retailer 10
-
$17,102 NZD
$9,639 USD
View
A
Retailer 11
-
$20,627 NZD
€11,072 EUR
View
A
Retailer 12
-
$25,006 NZD
£11,097 GBP
View
A
Retailer 13
-
$25,647 NZD
$14,455 USD
View
Retailer 14
-
$26,137 NZD
A$22,663 AUD
View
Price last confirmed 9 days ago
B+
Retailer 15
-
$30,003 NZD
$16,910 USD
View
Retailer 16
-
$34,443 NZD
A$29,865 AUD
View
Price last confirmed 23 days ago
Most Expensive
B
Do Amore Diamonds
27-A72C4A8C8 · Oct 31
$65,685 NZD
$37,020 USD
View
16 more retailers have this diamond
Prices start from $9,546 NZDSave up to $56,139 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
5.43ct Round
$9,546 NZD