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Round|Lab Grown|IGI

3.50ct E FL Round Lab Grown Diamond

ID • E/FL • IGI LG790661215

Shape and cutting style on the report: Round brilliant

Certificate IGI LG790661215

Diamond specifications and retailer prices

From $2,406 SGD
$1,882 USD
As of October 29, 2026
Save $9,892 SGD (80%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $12,298 SGD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.5ct lab-grown round diamond

This 3.5ct lab-grown round 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 LG790661215 or 790661215. Listed at 22 retailers as of October 29, 2026, with prices from $2,406 to $12,298, a $9,892 spread on the same certified stone. Brilliant Earth lists it at $12,298. 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

3.50
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG790661215
Dimensions9.69 × 9.65 × 6.01 mm
L/W Ratio1.00
Girdle conditionFaceted
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
9.69 mm9.65 mm3.50 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG790661215
Side View
Table 58.0%Crown 35.3°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.1%

Caratlytics Score

How it works →
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: $12,298 SGD|Low: $2,310 SGD|High: $13,193 SGD|Avg: $5,625 SGD|-6.8%
Brilliant Earth
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
Retailer 18
Retailer 19
Retailer 20
Retailer 21
October 31, 2026
Retailer 4$2,406 SGD
Retailer 12$2,618 SGD
Retailer 8$2,791 SGD
Retailer 14$2,791 SGD
Retailer 19$2,967 SGD
Retailer 10$2,999 SGD
Retailer 18$3,004 SGD
Retailer 2$3,823 SGD
Retailer 6$4,078 SGD
Retailer 7$4,375 SGD
Retailer 21$4,583 SGD
Retailer 17$4,912 SGD
Retailer 9$5,231 SGD
Retailer 15$6,481 SGD
Retailer 20$7,977 SGD
Retailer 13$7,994 SGD
Retailer 16$8,014 SGD
Retailer 11$9,777 SGD
Retailer 5$10,350 SGD
Retailer 3$11,339 SGD
Brilliant Earth$12,298 SGD

31 data points across 21 retailers

22 retailers$2,406 SGD to $12,298 SGD

A
Cheapest Retailer
-
$2,406 SGD
$1,882 USD
A
Retailer 2
-
$2,618 SGD
$2,048 USD
View
A
Retailer 3
-
$2,791 SGD
$2,183 USD
View
Retailer 4
-
$2,791 SGD
$2,183 USD
View
Price last confirmed 20 days ago
A
Retailer 5
-
$2,967 SGD
$2,321 USD
View
Final sale: no returns
A
Retailer 6
-
$2,999 SGD
$2,346 USD
View
A
Retailer 7
-
$3,004 SGD
$2,350 USD
View
A
Retailer 8
-
$3,823 SGD
£2,355 GBP
View
A
Retailer 9
-
$4,078 SGD
$3,190 USD
View
A
Retailer 10
-
$4,375 SGD
$3,422 USD
View
A
Retailer 11
-
$4,583 SGD
$3,585 USD
View
B+
Retailer 12
-
$4,912 SGD
€3,659 EUR
View
B+
Retailer 13
-
$5,231 SGD
$4,092 USD
View
B+
Retailer 14
-
$6,481 SGD
ZAR 81,903 ZAR
View
B+
Retailer 15
-
$7,263 SGD
$5,681 USD
View
B+
Retailer 16
-
$7,977 SGD
$6,240 USD
View
B+
Retailer 17
-
$7,994 SGD
$6,253 USD
View
B+
Retailer 18
-
$8,014 SGD
£4,936 GBP
View
B+
Retailer 19
-
$9,777 SGD
$7,648 USD
View
B
Retailer 20
-
$10,350 SGD
View
B
Retailer 21
-
$11,339 SGD
$8,870 USD
View
Most Expensive
B
Brilliant Earth
21419297A · Oct 29
$12,298 SGD
$9,620 USD
View
21 more retailers have this diamond
Prices start from $2,406 SGDSave up to $9,892 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
3.50ct Round
$2,406 SGD