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Round|Lab Grown|IGI

3.57ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG579301141

Certificate IGI LG579301141

Diamond specifications and retailer prices

From $1,449 USD
Save $8,671 USD (86%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $10,120 USD at Brilliant Earth
View at Brilliant Earth

About this 3.57ct lab-grown round diamond

This 3.57ct 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 LG579301141 or 579301141. Listed at 17 retailers, with prices from $1,449 to $10,120 at Brilliant Earth, a $8,671 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

3.57
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.4°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG579301141
Dimensions9.89 × 9.85 × 5.98 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
9.89 mm9.85 mm3.57 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG579301141
Side View
Table 59.0%Crown 33.4°Girdle: MediumPavilion 41°Culet: NoneDepth 60.7%

Caratlytics Score

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

Price History

Last verified: Oct 1
Current: $10,120 USD|Low: $1,034 USD|High: $12,870 USD|Avg: $3,693 USD|-21.4%
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
October 1, 2026
Retailer 3$1,449 USD
Retailer 9$1,675 USD
Retailer 14$1,827 USD
Retailer 10$2,120 USD
Retailer 13$2,355 USD
Retailer 2$2,460 USD
Retailer 8$2,798 USD
Retailer 5$3,098 USD
Retailer 12$3,394 USD
Retailer 15$3,405 USD
Retailer 4$4,241 USD
Retailer 16$4,440 USD
Retailer 6$4,685 USD
Retailer 11$4,882 USD
Retailer 7$5,874 USD
Brilliant Earth$10,120 USD

38 data points across 16 retailers

17 retailers$1,449 USD to $10,120 USD

A
Cheapest Retailer
-
$1,449 USD
A
Retailer 2
-
$1,675 USD
View
A
Retailer 3
-
$1,827 USD
View
A
Retailer 4
-
$2,122 USD
£1,671 GBP
View
A
Retailer 5
-
$2,355 USD
€2,243 EUR
View
A
Retailer 6
-
$2,460 USD
View
A
Retailer 7
-
$2,798 USD
View
A
Retailer 8
-
$3,098 USD
View
A
Retailer 9
-
$3,394 USD
A$5,222 AUD
View
A
Retailer 10
-
$3,405 USD
ZAR 55,002 ZAR
View
Price last confirmed 10 days ago
B+
Retailer 11
-
$4,241 USD
View
B+
Retailer 12
-
$4,440 USD
View
B+
Retailer 13
-
$4,635 USD
View
B+
Retailer 14
-
$4,685 USD
View
B+
Retailer 15
-
$4,882 USD
£3,844 GBP
View
B+
Retailer 16
-
$5,271 USD
View
Most Expensive
B
Brilliant Earth
10022184A · Oct 1
$10,120 USD
View
16 more retailers have this diamond
Prices start from $1,449 USDSave up to $8,671 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
3.57ct Round
$1,449 USD