Radiant|Lab Grown|IGI

4.88ct D IF Radiant Lab Grown Diamond

EX • D/IF • IGI LG812621042

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG812621042

Diamond specifications and retailer prices

From €5,258 EUR
$5,874 USD
As of November 1, 2026
Save €14,177 EUR (73%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: €19,435 EUR at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 4.88ct lab-grown radiant diamond

This 4.88ct lab-grown radiant 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 LG812621042 or 812621042. Listed at 22 retailers as of October 31, 2026, with prices from €5,258 to €19,435, a €14,177 spread on the same certified stone. Taylor and Hart lists it at €19,435. 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

4.88
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.4°
Pavilion angle35.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG812621042
Dimensions12.04 × 8.44 × 5.61 mm
L/W Ratio1.43
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
12.04 mm8.44 mm4.88 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG812621042
Side View
Table 65.0%Crown 43.4°Girdle: MediumPavilion 35.5°Culet: NoneDepth 66.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: €6,920 EUR|Low: €5,258 EUR|High: €19,774 EUR|Avg: €10,441 EUR|-4.4%
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
Taylor and Hart
November 2, 2026
Retailer 4€5,258 EUR
Retailer 2€5,460 EUR
Retailer 12€6,195 EUR
Retailer 1€6,920 EUR
Retailer 16€7,721 EUR
Retailer 8€7,801 EUR
Retailer 15€7,996 EUR
Retailer 6€8,409 EUR
Retailer 11€8,919 EUR
Retailer 3€9,729 EUR
Retailer 9€11,082 EUR
Retailer 13€11,591 EUR
Retailer 10€11,982 EUR
Retailer 5€14,720 EUR
Retailer 14€15,145 EUR
Retailer 7€15,163 EUR
Taylor and Hart€19,435 EUR

36 data points across 17 retailers

22 retailers€5,258 EUR to €19,435 EUR

Retailer 1
-
€4,794 EUR
$5,356 USD
Price last confirmed 24 days ago
A
Retailer 2
-
€5,258 EUR
$5,874 USD
View
Final sale: no returns
A
Retailer 3
-
€5,460 EUR
$6,100 USD
View
Retailer 4
-
€5,523 EUR
$6,170 USD
View
Price last confirmed 38 days ago
Retailer 5
-
€5,561 EUR
$6,213 USD
View
Price last confirmed 30 days ago
Retailer 6
-
€5,561 EUR
$6,213 USD
View
Price last confirmed 22 days ago
A
Retailer 7
-
€6,195 EUR
$6,921 USD
View
Retailer 8
-
€6,602 EUR
$7,376 USD
View
Price last confirmed 32 days ago
A
Retailer 9
-
€6,920 EUR
£6,087 GBP
View
B+
Retailer 10
-
€7,721 EUR
£6,792 GBP
View
B+
Retailer 11
-
€7,801 EUR
$8,715 USD
View
B+
Retailer 12
-
€7,996 EUR
$8,933 USD
View
B+
Retailer 13
-
€8,409 EUR
$9,395 USD
View
B+
Retailer 14
-
€8,919 EUR
View
B+
Retailer 15
-
€9,729 EUR
$10,869 USD
View
B+
Retailer 16
-
€11,082 EUR
£9,749 GBP
View
B+
Retailer 17
-
€11,591 EUR
ZAR 209,207 ZAR
View
B+
Retailer 18
-
€11,982 EUR
A$20,594 AUD
View
B
Retailer 19
-
€14,720 EUR
$16,445 USD
View
B
Retailer 20
-
€15,145 EUR
$16,920 USD
View
B
Retailer 21
-
€15,163 EUR
$16,940 USD
View
Most Expensive
B
Taylor and Hart
3PMCSWU · Oct 31
€19,435 EUR
$21,713 USD
View
21 more retailers have this diamond
Prices start from €5,258 EURSave up to €14,177 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
4.88ct Radiant
€5,258 EUR