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 $8,205 CAD
$5,874 USD
As of October 31, 2026
Save $22,125 CAD (73%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $30,330 CAD at Taylor and Hart · As of October 30, 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 30, 2026, with prices from $8,205 to $30,330, a $22,125 spread on the same certified stone. Taylor and Hart lists it at $30,330. 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
Color
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

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 31
Current: $13,919 CAD|Low: $8,205 CAD|High: $30,860 CAD|Avg: $16,230 CAD|-0.6%
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
October 31, 2026
Retailer 3$8,205 CAD
Retailer 16$8,521 CAD
Retailer 10$9,668 CAD
Retailer 9$10,890 CAD
Retailer 15$12,049 CAD
Retailer 8$12,174 CAD
Retailer 14$12,479 CAD
Retailer 5$13,124 CAD
Retailer 1$13,919 CAD
Retailer 2$15,183 CAD
Retailer 12$17,388 CAD
Retailer 11$18,090 CAD
Retailer 7$19,141 CAD
Retailer 4$22,972 CAD
Retailer 13$23,635 CAD
Retailer 6$23,663 CAD
Taylor and Hart$30,330 CAD

35 data points across 17 retailers

22 retailers$8,205 CAD to $30,330 CAD

Retailer 1
-
$7,482 CAD
$5,356 USD
Price last confirmed 23 days ago
A
Retailer 2
-
$8,205 CAD
$5,874 USD
View
Final sale: no returns
A
Retailer 3
-
$8,521 CAD
$6,100 USD
View
Retailer 4
-
$8,619 CAD
$6,170 USD
View
Price last confirmed 36 days ago
Retailer 5
-
$8,679 CAD
$6,213 USD
View
Price last confirmed 28 days ago
Retailer 6
-
$8,679 CAD
$6,213 USD
View
Price last confirmed 20 days ago
A
Retailer 7
-
$9,668 CAD
$6,921 USD
View
Retailer 8
-
$10,304 CAD
$7,376 USD
View
Price last confirmed 30 days ago
A
Retailer 9
-
$10,890 CAD
£6,138 GBP
View
B+
Retailer 10
-
$12,049 CAD
£6,792 GBP
View
B+
Retailer 11
-
$12,174 CAD
$8,715 USD
View
B+
Retailer 12
-
$12,479 CAD
$8,933 USD
View
B+
Retailer 13
-
$13,124 CAD
$9,395 USD
View
B+
Retailer 14
-
$13,919 CAD
€9,490 EUR
View
B+
Retailer 15
-
$15,183 CAD
$10,869 USD
View
B+
Retailer 16
-
$17,388 CAD
£9,801 GBP
View
B+
Retailer 17
-
$18,090 CAD
ZAR 209,207 ZAR
View
Retailer 18
-
$19,141 CAD
A$21,081 AUD
View
Price last confirmed 9 days ago
B
Retailer 19
-
$22,972 CAD
$16,445 USD
View
B
Retailer 20
-
$23,635 CAD
$16,920 USD
View
B
Retailer 21
-
$23,663 CAD
$16,940 USD
View
Most Expensive
B
Taylor and Hart
3PMCSWU · Oct 30
$30,330 CAD
$21,713 USD
View
21 more retailers have this diamond
Prices start from $8,205 CADSave up to $22,125 CAD

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
$8,205 CAD