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Round|Lab Grown|IGI

3.64ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG577378615

Certificate IGI LG577378615

Diamond specifications and retailer prices

From $1,644 USD
Save $8,806 USD (84%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $10,450 USD at Brilliant Earth
View at Brilliant Earth

About this 3.64ct lab-grown round diamond

This 3.64ct 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 LG577378615 or 577378615. Listed at 18 retailers, with prices from $1,644 to $10,450 at Brilliant Earth, a $8,806 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

3.64
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG577378615
Dimensions9.90 × 9.94 × 6.02 mm
L/W Ratio1.00
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
9.90 mm9.94 mm3.64 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG577378615
Side View
Table 58.0%Crown 33.8°Girdle: MediumPavilion 40.8°Culet: NoneDepth 60.6%

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: Oct 1
Current: $10,450 USD|Low: $1,173 USD|High: $10,630 USD|Avg: $4,707 USD|-0.9%
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
October 1, 2026
Retailer 3$1,644 USD
Retailer 18$2,016 USD
Retailer 6$2,513 USD
Retailer 16$2,515 USD
Retailer 11$2,669 USD
Retailer 2$2,686 USD
Retailer 10$3,092 USD
Retailer 14$4,252 USD
Retailer 13$4,288 USD
Retailer 5$4,962 USD
Retailer 7$5,184 USD
Retailer 4$5,333 USD
Retailer 15$5,414 USD
Retailer 12$5,436 USD
Retailer 8$6,625 USD
Retailer 17$9,365 USD
Retailer 9$10,100 USD
Brilliant Earth$10,450 USD

38 data points across 18 retailers

18 retailers$1,644 USD to $10,450 USD

A
Cheapest Retailer
-
$1,644 USD
A
Retailer 2
-
$2,016 USD
View
A
Retailer 3
-
$2,513 USD
View
A
Retailer 4
-
$2,515 USD
View
A
Retailer 5
-
$2,673 USD
£2,105 GBP
View
A
Retailer 6
-
$2,686 USD
View
A
Retailer 7
-
$3,092 USD
View
B+
Retailer 8
-
$4,252 USD
A$6,541 AUD
View
B+
Retailer 9
-
$4,288 USD
ZAR 69,266 ZAR
View
B+
Retailer 10
-
$4,962 USD
View
B+
Retailer 11
-
$5,184 USD
View
B+
Retailer 12
-
$5,333 USD
View
B+
Retailer 13
-
$5,414 USD
View
B+
Retailer 14
-
$5,436 USD
£4,280 GBP
View
B
Retailer 15
-
$6,625 USD
View
B
Retailer 16
-
$9,365 USD
View
B
Retailer 17
-
$10,100 USD
View
Most Expensive
B
Brilliant Earth
18396939Y · Oct 1
$10,450 USD
View
17 more retailers have this diamond
Prices start from $1,644 USDSave up to $8,806 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
3.64ct Round
$1,644 USD