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Emerald|Lab Grown|IGI

4.51ct D IF Emerald Lab Grown Diamond

EX • D/IF • IGI LG809635434

Shape and cutting style on the report: Emerald cut

Certificate IGI LG809635434

Diamond specifications and retailer prices

From $6,676 NZD
As of November 4, 2026
Save $39,267 NZD (85%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $45,944 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 LG809635434 or 809635434. Listed at 22 retailers as of November 4, 2026, with prices from $6,676 to $45,944, a $39,267 spread on the same certified stone. Do Amore Diamonds lists it at $45,944. 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 angle33.1°
Pavilion angle41.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG809635434
Dimensions11.23 × 7.99 × 5.10 mm
L/W Ratio1.41
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
11.23 mm7.99 mm4.51 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG809635434
Side View
Table 64.0%Crown 33.1°Girdle: ThinPavilion 41.4°Culet: LargeDepth 63.8%

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: $45,944 NZD|Low: $6,676 NZD|High: $45,944 NZD|Avg: $15,911 NZD
Do Amore Diamonds
Retailer 2
Retailer 3
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Retailer 21
November 4, 2026
Retailer 4$6,676 NZD
Retailer 8$6,998 NZD
Retailer 11$7,478 NZD
Retailer 9$7,565 NZD
Retailer 5$7,745 NZD
Retailer 21$7,859 NZD
Retailer 10$10,053 NZD
Retailer 15$10,188 NZD
Retailer 6$10,682 NZD
Retailer 2$11,134 NZD
Retailer 7$12,003 NZD
Retailer 12$12,003 NZD
Retailer 16$17,700 NZD
Retailer 13$18,249 NZD
Retailer 17$18,626 NZD
Retailer 3$19,608 NZD
Retailer 19$21,585 NZD
Retailer 18$29,403 NZD
Retailer 20$29,627 NZD
Retailer 14$30,395 NZD
Do Amore Diamonds$45,944 NZD

43 data points across 21 retailers

22 retailers$6,676 NZD to $45,944 NZD

A
Cheapest Retailer
-
$6,676 NZD
A
Retailer 2
-
$6,998 NZD
View
A
Retailer 3
-
$7,478 NZD
View
Final sale: no returns
A
Retailer 4
-
$7,565 NZD
View
A
Retailer 5
-
$7,745 NZD
View
A
Retailer 6
-
$7,859 NZD
View
A
Retailer 7
-
$10,053 NZD
View
A
Retailer 8
-
$10,188 NZD
View
A
Retailer 9
-
$10,682 NZD
View
A
Retailer 10
-
$11,134 NZD
View
A
Retailer 11
-
$12,003 NZD
View
A
Retailer 12
-
$12,003 NZD
View
Retailer 13
-
$12,565 NZD
View
Price last confirmed 87 days ago
B+
Retailer 14
-
$17,700 NZD
View
B+
Retailer 15
-
$18,249 NZD
View
B+
Retailer 16
-
$18,626 NZD
View
B+
Retailer 17
-
$19,608 NZD
View
B+
Retailer 18
-
$21,585 NZD
View
B
Retailer 19
-
$29,403 NZD
View
B
Retailer 20
-
$29,627 NZD
View
B
Retailer 21
-
$30,395 NZD
View
Most Expensive
B
Do Amore Diamonds
27-024CFC1E3 · Nov 4
$45,944 NZD
$25,840 USD
View
21 more retailers have this diamond
Prices start from $6,676 NZDSave up to $39,267 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
$6,676 NZD