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Round|Lab Grown|IGI

5.40ct F IF Round Lab Grown Diamond

ID • F/IF • IGI LG623442877

Shape and cutting style on the report: Round brilliant

Certificate IGI LG623442877

Diamond specifications and retailer prices

From $5,948 USD
As of November 1, 2026
Save $20,270 USD (77%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $40,920 USD at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 5.4ct lab-grown round diamond

This 5.4ct lab-grown round sits in the over five carat band, graded F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG623442877 or 623442877. Listed at 22 retailers as of October 31, 2026, with a 341% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

5.40
Carat
F
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG623442877
Dimensions11.23 × 11.19 × 6.92 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
11.23 mm11.19 mm5.40 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG623442877
Side View
Table 57.0%Crown 35.3°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: $15,226 USD|Low: $5,710 USD|High: $57,939 USD|Avg: $14,119 USD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
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Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
November 3, 2026
Retailer 17$5,948 USD
Retailer 8$6,234 USD
Retailer 7$6,405 USD
Retailer 6$6,662 USD
Retailer 14$6,895 USD
Retailer 10$6,900 USD
Retailer 19$6,900 USD
Retailer 16$8,349 USD
Retailer 9$9,041 USD
Retailer 12$9,524 USD
Retailer 2$10,651 USD
Retailer 1$15,226 USD
Retailer 15$15,474 USD
Retailer 13$15,929 USD
Retailer 3$17,602 USD
Retailer 18$20,690 USD
Retailer 4$21,963 USD
Retailer 11$22,722 USD
Retailer 5$57,939 USD

44 data points across 19 retailers

22 retailers$5,948 USD to $26,218 USD

A
Cheapest Retailer
-
$5,948 USD
A
Retailer 2
-
$6,234 USD
View
A
Retailer 3
-
$6,405 USD
View
A
Retailer 4
-
$6,662 USD
View
Final sale: no returns
A
Retailer 5
-
$6,895 USD
View
A
Retailer 6
-
$6,900 USD
View
Retailer 7
-
$6,900 USD
View
Price last confirmed 17 days ago
A
Retailer 8
-
$7,607 USD
View
B+
Retailer 9
-
$8,349 USD
View
B+
Retailer 10
-
$9,041 USD
View
B+
Retailer 11
-
$9,524 USD
£7,499 GBP
View
B+
Retailer 12
-
$10,651 USD
View
B+
Retailer 13
-
$15,226 USD
£11,989 GBP
View
B+
Retailer 14
-
$15,474 USD
ZAR 249,984 ZAR
View
B
Retailer 15
-
$15,929 USD
A$24,506 AUD
View
B
Retailer 16
-
$17,602 USD
View
B
Retailer 17
-
$20,690 USD
View
B
Retailer 18
-
$21,963 USD
View
Retailer 19
-
$22,722 USD
View
Price last confirmed 7 days ago
B
Retailer 20
-
$26,218 USD
View
Most Expensive
Do Amore Diamonds
27-0FC8631CA · Nov 2
$40,920 USD
View
Price under review
20 more retailers have this diamond
Prices start from $5,948 USDSave up to $20,270 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
5.40ct Round
$5,948 USD