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Round|Lab Grown|IGI

4.33ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG577397970

Shape and cutting style on the report: Round brilliant

Certificate IGI LG577397970

Diamond specifications and retailer prices

From $2,217 USD
As of November 1, 2026
Save $7,593 USD (77%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $9,810 USD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 4.33ct lab-grown round diamond

This 4.33ct 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 LG577397970 or 577397970. Listed at 22 retailers as of October 31, 2026, with prices from $2,217 to $9,810, a $7,593 spread on the same certified stone. Brilliant Earth lists it at $9,810. 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

4.33
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG577397970
Dimensions10.45 × 10.40 × 6.46 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
10.45 mm10.40 mm4.33 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG577397970
Side View
Table 57.0%Crown 34.9°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.0%

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 1
Current: $9,810 USD|Low: $2,129 USD|High: $9,810 USD|Avg: $4,260 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
Retailer 14
Retailer 15
Retailer 16
November 1, 2026
Retailer 16$2,217 USD
Retailer 6$2,412 USD
Retailer 8$2,482 USD
Retailer 4$2,572 USD
Retailer 14$2,735 USD
Retailer 5$2,807 USD
Retailer 11$3,497 USD
Retailer 7$3,535 USD
Retailer 15$4,031 USD
Retailer 12$4,071 USD
Retailer 9$4,245 USD
Retailer 13$5,475 USD
Retailer 10$5,510 USD
Retailer 3$6,645 USD
Retailer 2$6,979 USD
Brilliant Earth$9,810 USD

44 data points across 16 retailers

22 retailers$2,217 USD to $9,810 USD

A
Cheapest Retailer
-
$2,217 USD
A
Retailer 2
-
$2,412 USD
View
A
Retailer 3
-
$2,482 USD
View
Final sale: no returns
Retailer 4
-
$2,572 USD
View
Price last confirmed 21 days ago
A
Retailer 5
-
$2,572 USD
View
A
Retailer 6
-
$2,735 USD
View
A
Retailer 7
-
$2,807 USD
View
A
Retailer 8
-
$3,497 USD
£2,754 GBP
View
A
Retailer 9
-
$3,535 USD
View
A
Retailer 10
-
$4,031 USD
View
A
Retailer 11
-
$4,071 USD
€3,877 EUR
View
A
Retailer 12
-
$4,245 USD
View
A
Retailer 13
-
$4,598 USD
View
A
Retailer 14
-
$5,475 USD
ZAR 88,447 ZAR
View
A
Retailer 15
-
$5,510 USD
A$8,477 AUD
View
B+
Retailer 16
-
$6,645 USD
View
B+
Retailer 17
-
$6,868 USD
View
B+
Retailer 18
-
$6,979 USD
£5,495 GBP
View
B+
Retailer 19
-
$7,276 USD
View
B+
Retailer 20
-
$7,383 USD
View
B+
Retailer 21
-
$8,988 USD
View
Most Expensive
B+
Brilliant Earth
10021938A · Oct 31
$9,810 USD
View
21 more retailers have this diamond
Prices start from $2,217 USDSave up to $7,593 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
4.33ct Round
$2,217 USD