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Emerald|Lab Grown|IGI

4.51ct D IF Emerald Lab Grown Diamond

EX • D/IF • IGI LG766613792

Shape and cutting style on the report: Emerald cut

Certificate IGI LG766613792

Diamond specifications and retailer prices

From $8,495 NZD
As of November 4, 2026
Save $49,948 NZD (85%) vs most expensive(unlock to see where)
25 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 LG766613792 or 766613792. Listed at 25 retailers as of November 4, 2026, with prices from $8,495 to $58,443, a $49,948 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.8°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG766613792
Dimensions11.13 × 7.81 × 5.16 mm
L/W Ratio1.43
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
11.13 mm7.81 mm4.51 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG766613792
Side View
Table 63.0%Crown 32.8°Girdle: MediumPavilion 41.5°Culet: LNGDepth 66.1%

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: Nov 4
Current: $58,443 NZD|Low: $8,495 NZD|High: $58,443 NZD|Avg: $21,164 NZD
Do Amore Diamonds
Retailer 2
Retailer 3
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Retailer 23
November 4, 2026
Retailer 9$8,495 NZD
Retailer 22$8,902 NZD
Retailer 3$9,258 NZD
Retailer 10$9,514 NZD
Retailer 4$9,855 NZD
Retailer 14$9,855 NZD
Retailer 21$9,912 NZD
Retailer 23$10,440 NZD
Retailer 6$12,586 NZD
Retailer 7$12,914 NZD
Retailer 8$13,131 NZD
Retailer 2$13,803 NZD
Retailer 20$14,676 NZD
Retailer 16$15,417 NZD
Retailer 12$19,114 NZD
Retailer 17$22,134 NZD
Retailer 13$23,222 NZD
Retailer 18$23,935 NZD
Retailer 5$27,125 NZD
Retailer 19$29,746 NZD
Retailer 11$38,024 NZD
Retailer 15$38,780 NZD
Do Amore Diamonds$58,443 NZD

43 data points across 23 retailers

25 retailers$8,495 NZD to $58,443 NZD

A
Cheapest Retailer
-
$8,495 NZD
A
Retailer 2
-
$8,902 NZD
View
A
Retailer 3
-
$9,258 NZD
View
A
Retailer 4
-
$9,514 NZD
View
Final sale: no returns
A
Retailer 5
-
$9,855 NZD
View
Retailer 6
-
$9,855 NZD
View
Price last confirmed 19 days ago
A
Retailer 7
-
$9,912 NZD
View
A
Retailer 8
-
$10,440 NZD
View
A
Retailer 9
-
$12,586 NZD
View
A
Retailer 10
-
$12,914 NZD
View
A
Retailer 11
-
$13,131 NZD
View
A
Retailer 12
-
$13,803 NZD
View
A
Retailer 13
-
$14,676 NZD
View
B+
Retailer 14
-
$15,417 NZD
View
Retailer 15
-
$18,571 NZD
View
Price last confirmed 9 days ago
Retailer 16
-
$18,628 NZD
View
Price last confirmed 26 days ago
B+
Retailer 17
-
$19,114 NZD
View
B+
Retailer 18
-
$22,134 NZD
View
B+
Retailer 19
-
$23,222 NZD
View
B
Retailer 20
-
$23,935 NZD
View
B
Retailer 21
-
$27,125 NZD
View
B
Retailer 22
-
$29,746 NZD
View
B
Retailer 23
-
$38,024 NZD
View
B
Retailer 24
-
$38,780 NZD
View
Most Expensive
B
Do Amore Diamonds
27-45F8B066F · Nov 4
$58,443 NZD
$32,870 USD
View
24 more retailers have this diamond
Prices start from $8,495 NZDSave up to $49,948 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
$8,495 NZD