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Round|Lab Grown|IGI

4.73ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG579368509

Shape and cutting style on the report: Round brilliant

Certificate IGI LG579368509

Diamond specifications and retailer prices

From $4,626 USD
As of November 1, 2026
Save $34,537 USD (88%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $39,163 USD at Mervis Diamond Importers · As of October 31, 2026
View at Mervis Diamond Importers

About this 4.73ct lab-grown round diamond

This 4.73ct 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 LG579368509 or 579368509. Listed at 24 retailers as of October 31, 2026, with prices from $4,626 to $39,163, a $34,537 spread on the same certified stone. Mervis Diamond Importers lists it at $39,163. 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

4.73
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG579368509
Dimensions10.70 × 10.73 × 6.64 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
10.70 mm10.73 mm4.73 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG579368509
Side View
Table 58.0%Crown 35.5°Girdle: MediumPavilion 40.7°Culet: NoneDepth 62.0%

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: $39,163 USD|Low: $4,441 USD|High: $39,163 USD|Avg: $10,265 USD
Mervis Diamond Importers
Retailer 2
Retailer 3
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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 2, 2026
Retailer 18$4,626 USD
Retailer 8$4,848 USD
Retailer 7$5,139 USD
Retailer 10$5,181 USD
Retailer 4$5,367 USD
Retailer 16$5,370 USD
Retailer 2$5,815 USD
Retailer 17$6,854 USD
Retailer 9$7,032 USD
Retailer 11$7,549 USD
Retailer 5$8,299 USD
Retailer 14$10,101 USD
Retailer 12$12,054 USD
Retailer 3$12,140 USD
Retailer 15$12,608 USD
Retailer 13$13,020 USD
Retailer 6$16,993 USD
Mervis Diamond Importers$39,163 USD

44 data points across 18 retailers

24 retailers$4,626 USD to $39,163 USD

A
Cheapest Retailer
-
$4,626 USD
A
Retailer 2
-
$4,848 USD
View
A
Retailer 3
-
$5,139 USD
View
A
Retailer 4
-
$5,181 USD
View
Final sale: no returns
A
Retailer 5
-
$5,367 USD
View
Retailer 6
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$5,367 USD
View
Price last confirmed 16 days ago
A
Retailer 7
-
$5,370 USD
View
A
Retailer 8
-
$5,720 USD
View
A
Retailer 9
-
$5,815 USD
£4,578 GBP
View
A
Retailer 10
-
$6,854 USD
View
B+
Retailer 11
-
$7,032 USD
View
B+
Retailer 12
-
$7,549 USD
£5,944 GBP
View
B+
Retailer 13
-
$8,299 USD
View
B+
Retailer 14
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$10,101 USD
View
B+
Retailer 15
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$12,054 USD
£9,491 GBP
View
B+
Retailer 16
-
$12,140 USD
View
B+
Retailer 17
-
$12,608 USD
ZAR 203,676 ZAR
View
B+
Retailer 18
-
$13,020 USD
A$20,030 AUD
View
B
Retailer 19
-
$14,772 USD
View
B
Retailer 20
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$16,993 USD
View
B
Retailer 21
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$17,430 USD
View
B
Retailer 22
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$21,240 USD
View
B
Retailer 23
-
$31,830 USD
View
Most Expensive
B
Mervis Diamond Importers
1985409144 · Oct 31
$39,163 USD
View
23 more retailers have this diamond
Prices start from $4,626 USDSave up to $34,537 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
4.73ct Round
$4,626 USD