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Round|Lab Grown|IGI

3.50ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG825675291

Certificate IGI LG825675291

Diamond specifications and retailer prices

From $1,243 USD
Save $4,587 USD (79%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $5,830 USD at Rare Carat
View at Rare Carat

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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG825675291 or 825675291. Listed at 16 retailers, with prices from $1,243 to $5,830 at Rare Carat, a $4,587 spread on the same certified stone. 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
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825675291
Dimensions9.70 × 9.75 × 6.00 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
HEARTS & ARROWS 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
9.70 mm9.75 mm3.50 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825675291
Side View
Table 56.0%Crown 34.6°Girdle: MediumPavilion 40.5°Culet: NoneDepth 61.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0-100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Sep 25
Current: $5,830 USD|Low: $1,392 USD|High: $7,204 USD|Avg: $3,093 USD
Rare Carat
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
October 1, 2026
Retailer 13$1,392 USD
Retailer 3$1,422 USD
Retailer 8$1,664 USD
Retailer 2$1,775 USD
Retailer 11$2,033 USD
Retailer 6$2,055 USD
Retailer 7$2,062 USD
Retailer 9$2,255 USD
Retailer 10$2,522 USD
Retailer 14$2,978 USD
Retailer 12$3,260 USD
Retailer 4$4,451 USD
Retailer 16$4,522 USD
Retailer 15$4,682 USD
Retailer 5$5,057 USD
Rare Carat$5,830 USD

17 data points across 16 retailers

16 retailers$1,243 USD to $5,830 USD

A
Cheapest Retailer
-
$1,243 USD
A
Retailer 2
-
$1,392 USD
View
A
Retailer 3
-
$1,422 USD
View
Price last confirmed 7 days ago
A
Retailer 4
-
$1,664 USD
HK$13,000 HKD
View
Price last confirmed 12 days ago
A
Retailer 5
-
$1,775 USD
£1,398 GBP
View
A
Retailer 6
-
$2,037 USD
£1,604 GBP
View
A
Retailer 7
-
$2,062 USD
View
A
Retailer 8
-
$2,255 USD
View
A
Retailer 9
-
$2,522 USD
View
A
Retailer 10
-
$2,978 USD
View
B+
Retailer 11
-
$3,260 USD
A$5,015 AUD
View
B+
Retailer 12
-
$4,451 USD
View
B+
Retailer 13
-
$4,522 USD
View
B
Retailer 14
-
$4,682 USD
£3,687 GBP
View
B+
Retailer 15
-
$5,057 USD
View
Most Expensive
B
Rare Carat
NJ32 38 · Sep 28
$5,830 USD
View
15 more retailers have this diamond
Prices start from $1,243 USDSave up to $4,587 USD

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.

A
3.50ct Round
$1,243 USD