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Emerald|Lab Grown|IGI

4.51ct D IF Emerald Lab Grown Diamond

EX • D/IF • IGI LG702530182

Shape and cutting style on the report: Emerald cut

Certificate IGI LG702530182

Diamond specifications and retailer prices

From $7,781 AUD
As of November 4, 2026
Save $27,182 AUD (78%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $60,756 AUD 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 LG702530182 or 702530182. Listed at 23 retailers as of November 4, 2026, with a 349% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 angle36.4°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG702530182
Dimensions11.08 × 7.75 × 5.15 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
11.08 mm7.75 mm4.51 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG702530182
Side View
Table 61.0%Crown 36.4°Girdle: MED-STKPavilion 39.9°Culet: LargeDepth 66.5%

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: $12,359 AUD|Low: $7,470 AUD|High: $34,963 AUD|Avg: $15,223 AUD|-1.0%
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
November 4, 2026
Retailer 18$7,781 AUD
Retailer 7$8,155 AUD
Retailer 9$8,392 AUD
Retailer 10$8,715 AUD
Retailer 3$9,025 AUD
Retailer 6$9,025 AUD
Retailer 17$9,042 AUD
Retailer 16$11,116 AUD
Retailer 5$11,827 AUD
Retailer 1$12,359 AUD
Retailer 4$13,940 AUD
Retailer 15$16,156 AUD
Retailer 14$20,271 AUD
Retailer 11$21,269 AUD
Retailer 13$22,017 AUD
Retailer 12$22,963 AUD
Retailer 2$31,602 AUD
Retailer 8$34,963 AUD

43 data points across 18 retailers

23 retailers$7,781 AUD to $34,963 AUD

A
Cheapest Retailer
-
$7,781 AUD
A
Retailer 2
-
$8,155 AUD
View
A
Retailer 3
-
$8,392 AUD
View
A
Retailer 4
-
$8,611 AUD
View
A
Retailer 5
-
$8,715 AUD
View
Final sale: no returns
Retailer 6
-
$9,025 AUD
View
Price last confirmed 19 days ago
A
Retailer 7
-
$9,025 AUD
View
A
Retailer 8
-
$9,042 AUD
View
A
Retailer 9
-
$11,116 AUD
View
B+
Retailer 10
-
$11,827 AUD
View
B+
Retailer 11
-
$12,359 AUD
View
B+
Retailer 12
-
$13,940 AUD
View
B+
Retailer 13
-
$14,184 AUD
View
B+
Retailer 14
-
$16,156 AUD
View
B+
Retailer 15
-
$20,271 AUD
View
B
Retailer 16
-
$21,269 AUD
View
B
Retailer 17
-
$22,017 AUD
View
B
Retailer 18
-
$22,963 AUD
View
B
Retailer 19
-
$31,602 AUD
View
B
Retailer 20
-
$34,767 AUD
View
B
Retailer 21
-
$34,963 AUD
View
Retailer 22
-
$53,539 AUD
View
Price under review
Most Expensive
Do Amore Diamonds
23-702530182 · Nov 4
$60,756 AUD
$42,430 USD
View
Price under review
22 more retailers have this diamond
Prices start from $7,781 AUDSave up to $27,182 AUD

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
$7,781 AUD