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Round|Lab Grown|IGI

4.25ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG588370475

Shape and cutting style on the report: Round brilliant

Certificate IGI LG588370475

Diamond specifications and retailer prices

From $3,248 USD
As of November 1, 2026
Save $21,086 USD (87%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $24,334 USD at Mervis Diamond Importers · As of October 31, 2026
View at Mervis Diamond Importers

About this 4.25ct lab-grown round diamond

This 4.25ct 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 LG588370475 or 588370475. Listed at 23 retailers as of October 31, 2026, with prices from $3,248 to $24,334, a $21,086 spread on the same certified stone. Mervis Diamond Importers lists it at $24,334. 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

4.25
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG588370475
Dimensions10.31 × 10.36 × 6.40 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
10.31 mm10.36 mm4.25 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG588370475
Side View
Table 57.0%Crown 35.5°Girdle: MediumPavilion 40.6°Culet: NoneDepth 61.9%

Caratlytics Score

How it works →
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: $24,334 USD|Low: $3,118 USD|High: $24,334 USD|Avg: $7,874 USD
Mervis Diamond Importers
Retailer 2
Retailer 3
Retailer 4
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Retailer 6
Retailer 7
Retailer 8
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Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
November 1, 2026
Retailer 17$3,248 USD
Retailer 7$3,534 USD
Retailer 9$3,637 USD
Retailer 3$3,768 USD
Retailer 6$3,784 USD
Retailer 16$3,925 USD
Retailer 8$5,197 USD
Retailer 15$5,303 USD
Retailer 12$5,544 USD
Retailer 4$5,848 USD
Retailer 14$8,851 USD
Retailer 2$8,908 USD
Retailer 11$8,995 USD
Retailer 18$9,469 USD
Retailer 5$11,810 USD
Retailer 10$12,038 USD
Retailer 13$13,090 USD
Mervis Diamond Importers$24,334 USD

44 data points across 18 retailers

23 retailers$3,248 USD to $24,334 USD

A
Cheapest Retailer
-
$3,248 USD
A
Retailer 2
-
$3,534 USD
View
A
Retailer 3
-
$3,637 USD
View
Final sale: no returns
A
Retailer 4
-
$3,638 USD
View
Retailer 5
-
$3,768 USD
View
Price last confirmed 19 days ago
A
Retailer 6
-
$3,768 USD
View
A
Retailer 7
-
$3,784 USD
View
A
Retailer 8
-
$3,925 USD
View
A
Retailer 9
-
$5,197 USD
View
A
Retailer 10
-
$5,303 USD
View
A
Retailer 11
-
$5,544 USD
£4,366 GBP
View
A
Retailer 12
-
$5,848 USD
View
B+
Retailer 13
-
$8,851 USD
ZAR 142,986 ZAR
View
B+
Retailer 14
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$8,908 USD
£7,014 GBP
View
B+
Retailer 15
-
$8,995 USD
A$13,839 AUD
View
B+
Retailer 16
-
$9,469 USD
View
B+
Retailer 17
-
$10,373 USD
View
B
Retailer 18
-
$11,810 USD
View
B
Retailer 19
-
$12,038 USD
View
B
Retailer 20
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$13,090 USD
View
B
Retailer 21
-
$14,656 USD
View
B
Retailer 22
-
$22,350 USD
View
Most Expensive
B
Mervis Diamond Importers
1985409111 · Oct 31
$24,334 USD
View
22 more retailers have this diamond
Prices start from $3,248 USDSave up to $21,086 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
4.25ct Round
$3,248 USD