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Emerald|Lab Grown|IGI

4.28ct D IF Emerald Lab Grown Diamond

EX • D/IF • IGI LG691526188

Shape and cutting style on the report: Emerald cut

Certificate IGI LG691526188

Diamond specifications and retailer prices

From $6,316 AUD
As of November 2, 2026
Save $33,056 AUD (84%) vs most expensive(unlock to see where)
29 retailers carry this diamond
Most expensive: $39,372 AUD at Do Amore Diamonds · As of November 4, 2026
View at Do Amore Diamonds

About this 4.28ct lab-grown emerald diamond

This 4.28ct 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 LG691526188 or 691526188. Listed at 29 retailers as of November 2, 2026, with prices from $6,316 to $39,372, a $33,056 spread on the same certified stone. Do Amore Diamonds lists it at $39,372. 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

4.28
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG691526188
Dimensions11.28 × 7.57 × 4.91 mm
L/W Ratio1.49
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
11.28 mm7.57 mm4.28 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG691526188
Side View
Table 63.0%Crown 35.6°Girdle: MediumPavilion 40.7°Culet: LargeDepth 64.9%

Caratlytics Score

How it works →
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 2
Current: $39,372 AUD|Low: $6,316 AUD|High: $39,372 AUD|Avg: $13,079 AUD
Do Amore Diamonds
Retailer 2
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November 4, 2026
Retailer 15$6,316 AUD
Retailer 24$6,316 AUD
Retailer 5$6,408 AUD
Retailer 12$6,620 AUD
Retailer 6$6,639 AUD
Retailer 3$6,710 AUD
Retailer 4$6,714 AUD
Retailer 14$7,327 AUD
Retailer 11$8,794 AUD
Retailer 25$8,804 AUD
Retailer 9$9,157 AUD
Retailer 2$9,411 AUD
Retailer 21$9,863 AUD
Retailer 17$10,319 AUD
Retailer 18$11,447 AUD
Retailer 8$12,539 AUD
Retailer 23$13,718 AUD
Retailer 19$15,172 AUD
Retailer 13$15,643 AUD
Retailer 20$16,013 AUD
Retailer 7$18,273 AUD
Retailer 22$24,647 AUD
Retailer 10$25,462 AUD
Retailer 16$26,149 AUD
Do Amore Diamonds$39,372 AUD

35 data points across 25 retailers

29 retailers$6,316 AUD to $39,372 AUD

A
Cheapest Retailer
-
$6,316 AUD
Retailer 2
-
$6,316 AUD
View
Price last confirmed 14 days ago
A
Retailer 3
-
$6,408 AUD
View
Final sale: no returns
Retailer 4
-
$6,620 AUD
View
Price last confirmed 15 days ago
A
Retailer 5
-
$6,639 AUD
View
A
Retailer 6
-
$6,710 AUD
View
A
Retailer 7
-
$6,714 AUD
View
Retailer 8
-
$7,327 AUD
View
Price last confirmed 14 days ago
Retailer 9
-
$7,327 AUD
View
Price last confirmed 19 days ago
A
Retailer 10
-
$8,794 AUD
View
A
Retailer 11
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$8,804 AUD
View
A
Retailer 12
-
$9,157 AUD
View
A
Retailer 13
-
$9,411 AUD
View
A
Retailer 14
-
$9,863 AUD
View
A
Retailer 15
-
$10,319 AUD
View
Retailer 16
-
$11,447 AUD
View
Price last confirmed 28 days ago
Retailer 17
-
$12,539 AUD
View
Price last confirmed 9 days ago
B+
Retailer 18
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$12,877 AUD
View
Retailer 19
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$13,559 AUD
View
Price last confirmed 26 days ago
B+
Retailer 20
-
$13,718 AUD
View
B+
Retailer 21
-
$15,172 AUD
View
B+
Retailer 22
-
$15,643 AUD
View
B+
Retailer 23
-
$16,013 AUD
View
B+
Retailer 24
-
$18,273 AUD
View
B
Retailer 25
-
$24,647 AUD
View
B
Retailer 26
-
$25,462 AUD
View
B
Retailer 27
-
$26,149 AUD
View
Retailer 28
-
$29,223 AUD
View
Price last confirmed 11 days ago
Most Expensive
B
Do Amore Diamonds
27-84C694D2D · Nov 4
$39,372 AUD
$27,620 USD
View
28 more retailers have this diamond
Prices start from $6,316 AUDSave up to $33,056 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
4.28ct Emerald
$6,316 AUD