CaratHunter
Plans
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 €5,660 EUR
$6,300 USD
As of October 30, 2026
Save €19,414 EUR (77%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: €25,075 EUR at With Clarity · As of October 30, 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 €5,660 to €25,075, a €19,414 spread on the same certified stone. With Clarity lists it at €25,075. 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
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

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: Oct 30
Current: €6,340 EUR|Low: €5,660 EUR|High: €26,483 EUR|Avg: €11,999 EUR|-5.2%
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 30, 2026
Retailer 18€5,660 EUR
Retailer 10€6,187 EUR
Retailer 1€6,340 EUR
Retailer 11€6,896 EUR
Retailer 8€6,923 EUR
Retailer 5€7,264 EUR
Retailer 9€7,535 EUR
Retailer 14€7,912 EUR
Retailer 13€8,218 EUR
Retailer 16€8,239 EUR
Retailer 19€9,366 EUR
Retailer 4€10,397 EUR
Retailer 2€11,471 EUR
Retailer 3€13,914 EUR
Retailer 20€14,735 EUR
Retailer 6€16,771 EUR
Retailer 12€18,272 EUR
Retailer 7€21,815 EUR
Retailer 17€22,743 EUR
Retailer 15€22,894 EUR
With Clarity€25,075 EUR

35 data points across 21 retailers

23 retailers€5,660 EUR to €25,075 EUR

A
Cheapest Retailer
-
€5,660 EUR
$6,300 USD
A
Retailer 2
-
€6,187 EUR
$6,886 USD
View
Retailer 3
-
€6,245 EUR
$6,951 USD
View
Price last confirmed 38 days ago
A
Retailer 4
-
€6,340 EUR
$7,056 USD
View
Final sale: no returns
A
Retailer 5
-
€6,896 EUR
$7,675 USD
View
A
Retailer 6
-
€6,923 EUR
$7,705 USD
View
Retailer 7
-
€6,923 EUR
$7,705 USD
View
Price last confirmed 13 days ago
A
Retailer 8
-
€7,264 EUR
$8,085 USD
View
B+
Retailer 9
-
€7,535 EUR
$8,387 USD
View
B+
Retailer 10
-
€7,912 EUR
HK$68,800 HKD
View
B+
Retailer 11
-
€8,218 EUR
$9,147 USD
View
B+
Retailer 12
-
€8,239 EUR
£7,220 GBP
View
B+
Retailer 13
-
€9,366 EUR
£8,208 GBP
View
B+
Retailer 14
-
€10,397 EUR
$11,572 USD
View
B+
Retailer 15
-
€11,471 EUR
View
B+
Retailer 16
-
€13,914 EUR
£12,194 GBP
View
B+
Retailer 17
-
€14,735 EUR
ZAR 264,952 ZAR
View
B
Retailer 18
-
€16,771 EUR
$18,666 USD
View
B
Retailer 19
-
€18,272 EUR
$20,337 USD
View
B
Retailer 20
-
€21,815 EUR
$24,280 USD
View
B
Retailer 21
-
€22,743 EUR
$25,313 USD
View
B
Retailer 22
-
€22,894 EUR
SGD 34,434 SGD
View
Most Expensive
B
With Clarity
831603917 · Oct 30
€25,075 EUR
$27,908 USD
View
22 more retailers have this diamond
Prices start from €5,660 EURSave up to €19,414 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
€5,660 EUR