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Emerald|Lab Grown|IGI

4.51ct D IF Emerald Lab Grown Diamond

ID • D/IF • IGI LG781639241

Shape and cutting style on the report: Emerald cut

Certificate IGI LG781639241

Diamond specifications and retailer prices

From $9,258 NZD
As of November 3, 2026
Save $49,185 NZD (84%) vs most expensive(unlock to see where)
28 retailers carry this diamond
Most expensive: $58,443 NZD at Do Amore Diamonds · As of November 4, 2026
View at Do Amore Diamonds

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 LG781639241 or 781639241. Listed at 28 retailers as of November 3, 2026, with prices from $9,258 to $58,443, a $49,185 spread on the same certified stone. Do Amore Diamonds lists it at $58,443. 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 angle33.9°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG781639241
Dimensions11.32 × 7.88 × 4.98 mm
L/W Ratio1.44
Culet sizeLong
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
11.32 mm7.88 mm4.51 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG781639241
Side View
Table 63.0%Crown 33.9°Girdle: STK-THKPavilion 40.2°Culet: LNGDepth 63.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 3
Current: $58,443 NZD|Low: $9,258 NZD|High: $58,443 NZD|Avg: $19,565 NZD
Do Amore Diamonds
Retailer 2
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November 4, 2026
Retailer 24$9,258 NZD
Retailer 15$9,377 NZD
Retailer 5$9,514 NZD
Retailer 10$9,827 NZD
Retailer 4$9,912 NZD
Retailer 3$10,440 NZD
Retailer 12$10,878 NZD
Retailer 16$10,878 NZD
Retailer 25$12,586 NZD
Retailer 14$12,914 NZD
Retailer 9$13,131 NZD
Retailer 2$13,803 NZD
Retailer 11$14,197 NZD
Retailer 21$14,676 NZD
Retailer 18$15,417 NZD
Retailer 7$18,571 NZD
Retailer 23$20,435 NZD
Retailer 19$22,134 NZD
Retailer 13$23,222 NZD
Retailer 20$23,935 NZD
Retailer 6$27,125 NZD
Retailer 22$29,746 NZD
Retailer 8$38,024 NZD
Retailer 17$38,780 NZD
Do Amore Diamonds$58,443 NZD

33 data points across 25 retailers

28 retailers$9,258 NZD to $58,443 NZD

A
Cheapest Retailer
-
$9,258 NZD
Retailer 2
-
$9,377 NZD
View
Price last confirmed 14 days ago
A
Retailer 3
-
$9,514 NZD
View
Final sale: no returns
Retailer 4
-
$9,827 NZD
View
Price last confirmed 15 days ago
A
Retailer 5
-
$9,912 NZD
View
A
Retailer 6
-
$10,440 NZD
View
Retailer 7
-
$10,878 NZD
View
Price last confirmed 14 days ago
Retailer 8
-
$10,878 NZD
View
Price last confirmed 19 days ago
A
Retailer 9
-
$12,586 NZD
View
Retailer 10
-
$12,914 NZD
View
Price last confirmed 14 days ago
A
Retailer 11
-
$13,131 NZD
View
A
Retailer 12
-
$13,803 NZD
View
Retailer 13
-
$14,197 NZD
View
Price last confirmed 17 days ago
A
Retailer 14
-
$14,676 NZD
View
B+
Retailer 15
-
$15,417 NZD
View
Retailer 16
-
$18,571 NZD
View
Price last confirmed 9 days ago
Retailer 17
-
$18,628 NZD
View
Price last confirmed 26 days ago
B+
Retailer 18
-
$19,114 NZD
View
B+
Retailer 19
-
$20,435 NZD
View
B+
Retailer 20
-
$22,134 NZD
View
B+
Retailer 21
-
$23,222 NZD
View
B
Retailer 22
-
$23,935 NZD
View
B+
Retailer 23
-
$27,125 NZD
View
B
Retailer 24
-
$29,746 NZD
View
B
Retailer 25
-
$38,024 NZD
View
B
Retailer 26
-
$38,780 NZD
View
Retailer 27
-
$39,240 NZD
View
Price last confirmed 11 days ago
Most Expensive
B
Do Amore Diamonds
27-0237952A9 · Nov 4
$58,443 NZD
$32,870 USD
View
27 more retailers have this diamond
Prices start from $9,258 NZDSave up to $49,185 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
$9,258 NZD