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Round|Lab Grown|IGI

4.30ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG605367847

Shape and cutting style on the report: Round brilliant

Certificate IGI LG605367847

Diamond specifications and retailer prices

From $3,284 USD
As of November 1, 2026
Save $21,623 USD (87%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $24,907 USD at Mervis Diamond Importers · As of October 31, 2026
View at Mervis Diamond Importers

About this 4.3ct lab-grown round diamond

This 4.3ct 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 LG605367847 or 605367847. Listed at 23 retailers as of October 31, 2026, with prices from $3,284 to $24,907, a $21,623 spread on the same certified stone. Mervis Diamond Importers lists it at $24,907. 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

4.30
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG605367847
Dimensions10.36 × 10.40 × 6.41 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
10.36 mm10.40 mm4.30 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG605367847
Side View
Table 58.0%Crown 35.5°Girdle: MediumPavilion 40.6°Culet: NoneDepth 61.7%

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: $24,907 USD|Low: $3,153 USD|High: $24,907 USD|Avg: $7,910 USD
Mervis Diamond Importers
Retailer 2
Retailer 3
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Retailer 7
Retailer 8
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Retailer 11
Retailer 12
Retailer 13
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Retailer 15
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Retailer 17
Retailer 18
November 1, 2026
Retailer 16$3,284 USD
Retailer 7$3,573 USD
Retailer 9$3,678 USD
Retailer 18$3,810 USD
Retailer 6$3,823 USD
Retailer 15$3,965 USD
Retailer 8$5,255 USD
Retailer 14$5,255 USD
Retailer 12$5,469 USD
Retailer 4$5,913 USD
Retailer 13$8,949 USD
Retailer 2$9,007 USD
Retailer 11$9,101 USD
Retailer 3$9,580 USD
Retailer 5$11,946 USD
Retailer 10$12,180 USD
Retailer 17$14,170 USD
Mervis Diamond Importers$24,907 USD

44 data points across 18 retailers

23 retailers$3,284 USD to $24,907 USD

A
Cheapest Retailer
-
$3,284 USD
A
Retailer 2
-
$3,573 USD
View
A
Retailer 3
-
$3,678 USD
View
Final sale: no returns
A
Retailer 4
-
$3,716 USD
View
A
Retailer 5
-
$3,810 USD
View
Retailer 6
-
$3,810 USD
View
Price last confirmed 20 days ago
A
Retailer 7
-
$3,823 USD
View
A
Retailer 8
-
$3,965 USD
View
A
Retailer 9
-
$5,255 USD
View
A
Retailer 10
-
$5,255 USD
View
A
Retailer 11
-
$5,469 USD
£4,306 GBP
View
A
Retailer 12
-
$5,913 USD
View
B+
Retailer 13
-
$8,949 USD
ZAR 144,570 ZAR
View
B+
Retailer 14
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$9,007 USD
£7,092 GBP
View
B+
Retailer 15
-
$9,101 USD
A$14,001 AUD
View
B+
Retailer 16
-
$9,580 USD
View
B+
Retailer 17
-
$10,488 USD
View
B
Retailer 18
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$11,946 USD
View
B
Retailer 19
-
$12,180 USD
View
B
Retailer 20
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$14,170 USD
View
B
Retailer 21
-
$14,829 USD
View
B
Retailer 22
-
$22,590 USD
View
Most Expensive
B
Mervis Diamond Importers
1985409128 · Oct 31
$24,907 USD
View
22 more retailers have this diamond
Prices start from $3,284 USDSave up to $21,623 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
4.30ct Round
$3,284 USD