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Emerald|Lab Grown|IGI

4.51ct D FL Emerald Lab Grown Diamond

EX • D/FL • IGI LG831603917

Shape and cutting style on the report: Emerald cut

Certificate IGI LG831603917

Diamond specifications and retailer prices

From €5,639 EUR
$6,300 USD
As of October 30, 2026
Save €19,341 EUR (77%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: €24,980 EUR at With Clarity · As of October 31, 2026
View at With Clarity

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 FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG831603917 or 831603917. Listed at 23 retailers as of October 30, 2026, with prices from €5,639 to €24,980, a €19,341 spread on the same certified stone. With Clarity lists it at €24,980. 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
Color
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.2°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831603917
Dimensions11.52 × 7.77 × 4.97 mm
L/W Ratio1.48
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
11.52 mm7.77 mm4.51 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831603917
Side View
Table 59.0%Crown 37.2°Girdle: MediumPavilion 40.4°Culet: LargeDepth 64.0%

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: Oct 30
Current: €7,766 EUR|Low: €5,639 EUR|High: €26,384 EUR|Avg: €11,911 EUR
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
Retailer 19
Retailer 20
With Clarity
October 31, 2026
Retailer 6€5,639 EUR
Retailer 17€5,865 EUR
Retailer 20€6,316 EUR
Retailer 14€6,525 EUR
Retailer 13€6,897 EUR
Retailer 16€6,981 EUR
Retailer 15€7,399 EUR
Retailer 1€7,766 EUR
Retailer 3€7,883 EUR
Retailer 12€8,208 EUR
Retailer 7€9,331 EUR
Retailer 11€10,358 EUR
Retailer 9€11,428 EUR
Retailer 18€11,768 EUR
Retailer 19€13,516 EUR
Retailer 10€13,862 EUR
Retailer 8€14,680 EUR
Retailer 2€18,203 EUR
Retailer 5€22,657 EUR
Retailer 4€22,808 EUR
With Clarity€24,980 EUR

34 data points across 21 retailers

23 retailers€5,639 EUR to €24,980 EUR

A
Cheapest Retailer
-
€5,639 EUR
$6,300 USD
A
Retailer 2
-
€5,865 EUR
$6,552 USD
View
Retailer 3
-
€6,222 EUR
$6,951 USD
View
Price last confirmed 40 days ago
A
Retailer 4
-
€6,316 EUR
$7,056 USD
View
Final sale: no returns
A
Retailer 5
-
€6,525 EUR
$7,290 USD
View
A
Retailer 6
-
€6,897 EUR
$7,705 USD
View
Retailer 7
-
€6,897 EUR
$7,705 USD
View
Price last confirmed 16 days ago
A
Retailer 8
-
€6,981 EUR
$7,799 USD
View
B+
Retailer 9
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€7,399 EUR
$8,266 USD
View
B+
Retailer 10
-
€7,766 EUR
$8,676 USD
View
B+
Retailer 11
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€7,883 EUR
HK$68,800 HKD
View
B+
Retailer 12
-
€8,208 EUR
£7,221 GBP
View
B+
Retailer 13
-
€9,331 EUR
£8,208 GBP
View
B+
Retailer 14
-
€10,358 EUR
$11,572 USD
View
B+
Retailer 15
-
€11,428 EUR
View
B+
Retailer 16
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€11,768 EUR
$13,147 USD
View
B+
Retailer 17
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€13,516 EUR
$15,100 USD
View
B+
Retailer 18
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€13,862 EUR
£12,194 GBP
View
B+
Retailer 19
-
€14,680 EUR
ZAR 264,952 ZAR
View
B
Retailer 20
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€18,203 EUR
$20,337 USD
View
B
Retailer 21
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€22,657 EUR
$25,313 USD
View
B
Retailer 22
-
€22,808 EUR
SGD 34,434 SGD
View
Most Expensive
B
With Clarity
831603917 · Oct 31
€24,980 EUR
$27,908 USD
View
22 more retailers have this diamond
Prices start from €5,639 EURSave up to €19,341 EUR

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
€5,639 EUR