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 $7,509 SGD
$5,874 USD
As of November 1, 2026
Save $20,248 SGD (73%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $27,757 SGD 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 $7,509 to $27,757, a $20,248 spread on the same certified stone. Taylor and Hart lists it at $27,757. 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: $15,828 SGD|Low: $7,509 SGD|High: $28,242 SGD|Avg: $14,919 SGD|-3.8%
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 1, 2026
Retailer 4$7,509 SGD
Retailer 2$7,798 SGD
Retailer 12$8,848 SGD
Retailer 10$9,883 SGD
Retailer 16$11,027 SGD
Retailer 8$11,141 SGD
Retailer 15$11,420 SGD
Retailer 6$12,011 SGD
Retailer 11$12,739 SGD
Retailer 3$13,895 SGD
Retailer 1$15,828 SGD
Retailer 13$16,555 SGD
Retailer 9$17,113 SGD
Retailer 5$21,024 SGD
Retailer 14$21,630 SGD
Retailer 7$21,656 SGD
Taylor and Hart$27,757 SGD

35 data points across 17 retailers

22 retailers$7,509 SGD to $27,757 SGD

Retailer 1
-
$6,847 SGD
$5,356 USD
Price last confirmed 24 days ago
A
Retailer 2
-
$7,509 SGD
$5,874 USD
View
Final sale: no returns
A
Retailer 3
-
$7,798 SGD
$6,100 USD
View
Retailer 4
-
$7,888 SGD
$6,170 USD
View
Price last confirmed 37 days ago
Retailer 5
-
$7,943 SGD
$6,213 USD
View
Price last confirmed 29 days ago
Retailer 6
-
$7,943 SGD
$6,213 USD
View
Price last confirmed 22 days ago
A
Retailer 7
-
$8,848 SGD
$6,921 USD
View
Retailer 8
-
$9,429 SGD
$7,376 USD
View
Price last confirmed 32 days ago
A
Retailer 9
-
$9,883 SGD
£6,087 GBP
View
B+
Retailer 10
-
$11,027 SGD
£6,792 GBP
View
B+
Retailer 11
-
$11,141 SGD
$8,715 USD
View
B+
Retailer 12
-
$11,420 SGD
$8,933 USD
View
B+
Retailer 13
-
$12,011 SGD
$9,395 USD
View
B+
Retailer 14
-
$12,739 SGD
€9,490 EUR
View
B+
Retailer 15
-
$13,895 SGD
$10,869 USD
View
B+
Retailer 16
-
$15,828 SGD
£9,749 GBP
View
B+
Retailer 17
-
$16,555 SGD
ZAR 209,207 ZAR
View
B+
Retailer 18
-
$17,113 SGD
A$20,594 AUD
View
B
Retailer 19
-
$21,024 SGD
$16,445 USD
View
B
Retailer 20
-
$21,630 SGD
$16,920 USD
View
B
Retailer 21
-
$21,656 SGD
$16,940 USD
View
Most Expensive
B
Taylor and Hart
3PMCSWU · Oct 31
$27,757 SGD
$21,713 USD
View
21 more retailers have this diamond
Prices start from $7,509 SGDSave up to $20,248 SGD

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
$7,509 SGD