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Round|Lab Grown|IGI

3.28ct F IF Round Lab Grown Diamond

ID • F/IF • IGI LG627403954

Shape and cutting style on the report: Round brilliant

Certificate IGI LG627403954

Diamond specifications and retailer prices

From $835 USD
As of November 4, 2026
Save $5,715 USD (87%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $6,550 USD at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 3.28ct lab-grown round diamond

This 3.28ct lab-grown round sits in the three to five carat band, graded F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG627403954 or 627403954. Listed at 22 retailers as of November 4, 2026, with prices from $835 to $6,550, a $5,715 spread on the same certified stone. Brilliant Earth lists it at $6,550. 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

3.28
Carat
F
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG627403954
Dimensions9.48 × 9.53 × 5.86 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
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
9.48 mm9.53 mm3.28 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG627403954
Side View
Table 57.0%Crown 35.4°Girdle: MediumPavilion 40.6°Culet: NoneDepth 61.7%

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: Nov 4
Current: $6,550 USD|Low: $746 USD|High: $6,550 USD|Avg: $2,076 USD
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
November 5, 2026
Retailer 13$746 USD
Retailer 5$865 USD
Retailer 7$1,027 USD
Retailer 8$1,040 USD
Retailer 6$1,371 USD
Retailer 9$1,376 USD
Retailer 3$1,402 USD
Retailer 11$1,953 USD
Retailer 10$2,010 USD
Retailer 12$2,131 USD
Retailer 4$2,808 USD
Retailer 2$3,388 USD
Brilliant Earth$6,550 USD

35 data points across 13 retailers

22 retailers$835 USD to $6,550 USD

Retailer 1
-
$746 USD
Price last confirmed 26 days ago
Retailer 2
-
$811 USD
View
Price last confirmed 23 days ago
A
Retailer 3
-
$835 USD
View
Final sale: no returns
Retailer 4
-
$865 USD
View
Price last confirmed 19 days ago
Retailer 5
-
$865 USD
View
Price last confirmed 20 days ago
A
Retailer 6
-
$1,027 USD
View
A
Retailer 7
-
$1,040 USD
View
A
Retailer 8
-
$1,249 USD
View
A
Retailer 9
-
$1,371 USD
View
A
Retailer 10
-
$1,376 USD
View
A
Retailer 11
-
$1,402 USD
View
A
Retailer 12
-
$1,953 USD
View
A
Retailer 13
-
$2,010 USD
View
B+
Retailer 14
-
$2,131 USD
View
B+
Retailer 15
-
$2,396 USD
View
Retailer 16
-
$2,433 USD
View
Price last confirmed 29 days ago
B+
Retailer 17
-
$2,456 USD
View
B+
Retailer 18
-
$2,808 USD
View
B+
Retailer 19
-
$2,925 USD
View
B+
Retailer 20
-
$2,983 USD
View
B+
Retailer 21
-
$3,388 USD
View
Most Expensive
B
Brilliant Earth
10022256A · Nov 4
$6,550 USD
View
21 more retailers have this diamond
Prices start from $835 USDSave up to $5,715 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. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
3.28ct Round
$835 USD