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Radiant|Lab Grown|IGI

3.10ct E FL Radiant Lab Grown Diamond

EX • E/FL • IGI LG821638890

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

Certificate IGI LG821638890

Diamond specifications and retailer prices

From $2,538 SGD
$1,980 USD
As of October 29, 2026
Save $11,881 SGD (82%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $14,419 SGD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.1ct lab-grown radiant diamond

This 3.1ct lab-grown radiant sits in the three to five carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG821638890 or 821638890. Listed at 13 retailers as of October 29, 2026, with prices from $2,538 to $14,419, a $11,881 spread on the same certified stone. Brilliant Earth lists it at $14,419. 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

3.10
Carat
E
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.8°
Pavilion angle34°
OriginLab Grown
Grading LabIGI
CertificateIGI LG821638890
Dimensions10.40 × 7.16 × 4.73 mm
L/W Ratio1.45
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
10.40 mm7.16 mm3.10 ctE / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG821638890
Side View
Table 63.0%Crown 44.8°Girdle: MED-STKPavilion 34°Culet: NoneDepth 66.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $14,419 SGD|Low: $2,506 SGD|High: $15,130 SGD|Avg: $7,890 SGD|-3.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 29, 2026
Retailer 6$2,538 SGD
Retailer 10$3,298 SGD
Retailer 7$3,750 SGD
Retailer 2$4,117 SGD
Retailer 9$4,216 SGD
Retailer 12$4,966 SGD
Retailer 11$7,525 SGD
Retailer 5$8,075 SGD
Retailer 3$8,100 SGD
Retailer 4$11,617 SGD
Retailer 8$14,137 SGD
Brilliant Earth$14,419 SGD

27 data points across 12 retailers

13 retailers$2,538 SGD to $14,419 SGD

A
Retailer 1
-
$2,378 SGD
$1,855 USD
Price last confirmed 12 days ago
A
Retailer 2
-
$2,538 SGD
$1,980 USD
View
A
Retailer 3
-
$2,588 SGD
$2,019 USD
View
Price last confirmed 15 days ago
A
Retailer 4
-
$3,298 SGD
$2,573 USD
View
A
Retailer 5
-
$3,750 SGD
$2,926 USD
View
A
Retailer 6
-
$4,117 SGD
$3,212 USD
View
A
Retailer 7
-
$4,216 SGD
$3,289 USD
View
B+
Retailer 8
-
$5,170 SGD
$4,034 USD
View
Price last confirmed 12 days ago
B+
Retailer 9
-
$7,525 SGD
£4,623 GBP
View
B+
Retailer 10
-
$8,075 SGD
$6,300 USD
View
B+
Retailer 11
-
$8,100 SGD
$6,320 USD
View
Price last confirmed 13 days ago
B
Retailer 12
-
$14,137 SGD
$11,030 USD
View
Most Expensive
B
Brilliant Earth
22257764Y · Oct 29
$14,419 SGD
$11,250 USD
View
12 more retailers have this diamond
Prices start from $2,538 SGDSave up to $11,881 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
3.10ct Radiant
$2,538 SGD