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Emerald|Lab Grown|IGI

4.51ct D IF Emerald Lab Grown Diamond

ID • D/IF • IGI LG724501194

Shape and cutting style on the report: Emerald cut

Certificate IGI LG724501194

Diamond specifications and retailer prices

From $9,576 NZD
As of November 4, 2026
Save $30,227 NZD (76%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $39,803 NZD at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

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 LG724501194 or 724501194. Listed at 25 retailers as of October 31, 2026, with prices from $9,576 to $39,803, a $30,227 spread on the same certified stone. Taylor and Hart lists it at $39,803. 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 angle33.5°
Pavilion angle34.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG724501194
Dimensions11.82 × 7.62 × 4.80 mm
L/W Ratio1.55
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.82 mm7.62 mm4.51 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG724501194
Side View
Table 64.0%Crown 33.5°Girdle: MED-STKPavilion 34.8°Culet: LargeDepth 63.0%

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: $16,313 NZD|Low: $9,290 NZD|High: $39,240 NZD|Avg: $17,444 NZD|-1.1%
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
November 4, 2026
Retailer 16$9,576 NZD
Retailer 20$10,037 NZD
Retailer 7$10,302 NZD
Retailer 13$11,226 NZD
Retailer 11$11,246 NZD
Retailer 5$12,268 NZD
Retailer 2$12,830 NZD
Retailer 18$13,187 NZD
Retailer 10$13,449 NZD
Retailer 17$14,105 NZD
Retailer 8$14,158 NZD
Retailer 9$15,933 NZD
Retailer 1$16,313 NZD
Retailer 6$18,465 NZD
Retailer 21$21,825 NZD
Retailer 3$22,842 NZD
Retailer 19$23,966 NZD
Retailer 4$24,728 NZD
Retailer 12$30,893 NZD
Retailer 15$38,499 NZD
Retailer 14$39,240 NZD

32 data points across 21 retailers

25 retailers$9,576 NZD to $39,803 NZD

A
Cheapest Retailer
-
$9,576 NZD
A
Retailer 2
-
$10,037 NZD
View
A
Retailer 3
-
$10,302 NZD
View
Retailer 4
-
$11,226 NZD
View
Price last confirmed 19 days ago
A
Retailer 5
-
$11,226 NZD
View
A
Retailer 6
-
$11,246 NZD
View
A
Retailer 7
-
$12,268 NZD
View
Final sale: no returns
A
Retailer 8
-
$12,830 NZD
View
A
Retailer 9
-
$13,187 NZD
View
A
Retailer 10
-
$13,449 NZD
View
A
Retailer 11
-
$14,105 NZD
View
A
Retailer 12
-
$14,158 NZD
View
Retailer 13
-
$14,909 NZD
View
Price last confirmed 38 days ago
B+
Retailer 14
-
$15,933 NZD
View
B+
Retailer 15
-
$16,313 NZD
View
B+
Retailer 16
-
$18,465 NZD
View
B+
Retailer 17
-
$21,825 NZD
View
B+
Retailer 18
-
$22,842 NZD
View
B+
Retailer 19
-
$23,966 NZD
View
B
Retailer 20
-
$24,728 NZD
View
B
Retailer 21
-
$30,893 NZD
View
Retailer 22
-
$31,273 NZD
View
Price last confirmed 36 days ago
B
Retailer 23
-
$38,499 NZD
View
B
Retailer 24
-
$39,240 NZD
View
Most Expensive
B
Taylor and Hart
P7GRUEN · Oct 31
$39,803 NZD
$22,387 USD
View
24 more retailers have this diamond
Prices start from $9,576 NZDSave up to $30,227 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
$9,576 NZD