Radiant|Lab Grown|IGI

4.89ct D IF Radiant Lab Grown Diamond

ID • D/IF • IGI LG689588237

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

Certificate IGI LG689588237

Diamond specifications and retailer prices

From €6,031 EUR
$6,738 USD
As of November 1, 2026
Save €20,130 EUR (77%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: €41,291 EUR at Do Amore Diamonds · As of November 1, 2026
View at Do Amore Diamonds

About this 4.89ct lab-grown radiant diamond

This 4.89ct 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 LG689588237 or 689588237. Listed at 25 retailers as of October 31, 2026, with a 334% 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

4.89
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.3°
Pavilion angle35°
OriginLab Grown
Grading LabIGI
CertificateIGI LG689588237
Dimensions12.00 × 8.54 × 5.50 mm
L/W Ratio1.41
Culet sizePointed
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
12.00 mm8.54 mm4.89 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG689588237
Side View
Table 62.0%Crown 39.3°Girdle: MediumPavilion 35°Culet: NoneDepth 64.4%

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 1
Current: €17,152 EUR|Low: €5,564 EUR|High: €26,161 EUR|Avg: €12,067 EUR|-0.0%
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
November 1, 2026
Retailer 3€5,796 EUR
Retailer 8€6,031 EUR
Retailer 2€6,700 EUR
Retailer 5€6,723 EUR
Retailer 11€7,444 EUR
Retailer 17€7,859 EUR
Retailer 6€8,809 EUR
Retailer 10€9,056 EUR
Retailer 14€9,775 EUR
Retailer 9€10,626 EUR
Retailer 16€12,280 EUR
Retailer 13€14,649 EUR
Retailer 12€15,796 EUR
Retailer 15€16,394 EUR
Retailer 1€17,152 EUR
Retailer 4€21,420 EUR
Retailer 7€26,161 EUR

44 data points across 17 retailers

25 retailers€6,031 EUR to €26,161 EUR

Retailer 1
-
€5,796 EUR
$6,475 USD
Price last confirmed 13 days ago
Retailer 2
-
€6,028 EUR
$6,734 USD
View
Price last confirmed 17 days ago
A
Retailer 3
-
€6,031 EUR
$6,738 USD
View
A
Retailer 4
-
€6,349 EUR
$7,093 USD
View
A
Retailer 5
-
€6,700 EUR
$7,485 USD
View
Retailer 6
-
€6,723 EUR
$7,511 USD
View
Price last confirmed 12 days ago
Retailer 7
-
€6,723 EUR
$7,511 USD
View
Price last confirmed 15 days ago
B+
Retailer 8
-
€7,444 EUR
$8,317 USD
View
Final sale: no returns
B+
Retailer 9
-
€7,688 EUR
HK$67,100 HKD
View
A
Retailer 10
-
€7,859 EUR
$8,780 USD
View
Retailer 11
-
€8,809 EUR
$9,842 USD
View
Price last confirmed 12 days ago
B+
Retailer 12
-
€9,056 EUR
£7,966 GBP
View
B+
Retailer 13
-
€9,775 EUR
$10,921 USD
View
B+
Retailer 14
-
€10,626 EUR
£9,348 GBP
View
B+
Retailer 15
-
€12,280 EUR
$13,719 USD
View
B+
Retailer 16
-
€14,649 EUR
£12,887 GBP
View
B+
Retailer 17
-
€15,796 EUR
ZAR 285,092 ZAR
View
Retailer 18
-
€16,394 EUR
A$28,177 AUD
View
Price last confirmed 9 days ago
B
Retailer 19
-
€17,152 EUR
A$29,480 AUD
View
B
Retailer 20
-
€18,504 EUR
$20,673 USD
View
B
Retailer 21
-
€21,420 EUR
$23,930 USD
View
B
Retailer 22
-
€25,175 EUR
$28,126 USD
View
B
Retailer 23
-
€26,161 EUR
SGD 39,496 SGD
View
Retailer 24
-
€36,171 EUR
$40,410 USD
View
Price under review
Most Expensive
Do Amore Diamonds
23-689588237 · Nov 1
€41,291 EUR
$46,130 USD
View
Price under review
24 more retailers have this diamond
Prices start from €6,031 EURSave up to €20,130 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
4.89ct Radiant
€6,031 EUR