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Emerald|Lab Grown|IGI

4.51ct D IF Emerald Lab Grown Diamond

ID • D/IF • IGI LG741584162

Shape and cutting style on the report: Emerald cut

Certificate IGI LG741584162

Diamond specifications and retailer prices

From $7,857 NZD
As of November 4, 2026
Save $26,432 NZD (77%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: $34,289 NZD at With Clarity · As of November 3, 2026
View at With Clarity

About this 4.51ct lab-grown emerald diamond

This 4.51ct lab-grown emerald sits in the three to five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG741584162 or 741584162. Listed at 27 retailers as of November 3, 2026, with prices from $7,857 to $34,289, a $26,432 spread on the same certified stone. With Clarity lists it at $34,289. 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

4.51
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.2°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG741584162
Dimensions11.38 × 7.96 × 4.89 mm
L/W Ratio1.43
Culet sizeLarge
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
11.38 mm7.96 mm4.51 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG741584162
Side View
Table 66.0%Crown 31.2°Girdle: Slightly ThickPavilion 40°Culet: LargeDepth 61.4%

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 4
Current: $11,703 NZD|Low: $7,542 NZD|High: $39,872 NZD|Avg: $16,776 NZD|-14.8%
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
Retailer 23
With Clarity
November 4, 2026
Retailer 4$7,857 NZD
Retailer 14$8,234 NZD
Retailer 8$8,616 NZD
Retailer 15$8,799 NZD
Retailer 6$9,114 NZD
Retailer 10$9,114 NZD
Retailer 3$9,183 NZD
Retailer 2$10,396 NZD
Retailer 22$10,810 NZD
Retailer 7$11,388 NZD
Retailer 1$11,703 NZD
Retailer 11$12,842 NZD
Retailer 13$13,523 NZD
Retailer 23$13,602 NZD
Retailer 21$14,850 NZD
Retailer 5$17,055 NZD
Retailer 17$18,870 NZD
Retailer 12$19,455 NZD
Retailer 18$19,914 NZD
Retailer 20$25,194 NZD
Retailer 9$25,324 NZD
Retailer 19$30,281 NZD
Retailer 16$32,516 NZD
With Clarity$34,289 NZD

36 data points across 24 retailers

27 retailers$7,857 NZD to $34,289 NZD

A
Cheapest Retailer
-
$7,857 NZD
A
Retailer 2
-
$8,234 NZD
View
A
Retailer 3
-
$8,616 NZD
View
A
Retailer 4
-
$8,799 NZD
View
Final sale: no returns
A
Retailer 5
-
$9,114 NZD
View
Retailer 6
-
$9,114 NZD
View
Price last confirmed 19 days ago
A
Retailer 7
-
$9,183 NZD
View
A
Retailer 8
-
$10,396 NZD
View
A
Retailer 9
-
$10,810 NZD
View
A
Retailer 10
-
$11,388 NZD
View
A
Retailer 11
-
$11,703 NZD
View
A
Retailer 12
-
$12,842 NZD
View
A
Retailer 13
-
$13,523 NZD
View
A
Retailer 14
-
$13,602 NZD
View
A
Retailer 15
-
$14,850 NZD
View
Retailer 16
-
$15,673 NZD
View
Price last confirmed 87 days ago
B+
Retailer 17
-
$16,153 NZD
View
B+
Retailer 18
-
$17,055 NZD
View
Retailer 19
-
$18,628 NZD
View
Price last confirmed 26 days ago
B+
Retailer 20
-
$18,870 NZD
View
B+
Retailer 21
-
$19,455 NZD
View
B+
Retailer 22
-
$19,914 NZD
View
B+
Retailer 23
-
$25,194 NZD
View
B
Retailer 24
-
$25,324 NZD
View
B
Retailer 25
-
$30,281 NZD
View
B
Retailer 26
-
$32,516 NZD
View
Most Expensive
B
With Clarity
741584162 · Nov 3
$34,289 NZD
$19,285 USD
View
26 more retailers have this diamond
Prices start from $7,857 NZDSave up to $26,432 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
4.51ct Emerald
$7,857 NZD