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Round|Lab Grown|IGI

5.40ct F IF Round Lab Grown Diamond

ID • F/IF • IGI LG620401429

Shape and cutting style on the report: Round brilliant

Certificate IGI LG620401429

Diamond specifications and retailer prices

From $3,800 USD
As of November 1, 2026
Save $22,340 USD (85%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $26,140 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 LG620401429 or 620401429. Listed at 22 retailers as of November 1, 2026, with prices from $3,800 to $26,140, a $22,340 spread on the same certified stone. Do Amore Diamonds lists it at $26,140. 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 angle34.8°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG620401429
Dimensions11.28 × 11.25 × 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
11.28 mm11.25 mm5.40 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG620401429
Side View
Table 57.0%Crown 34.8°Girdle: MediumPavilion 40.7°Culet: NoneDepth 61.4%

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: $26,140 USD|Low: $3,783 USD|High: $26,140 USD|Avg: $9,483 USD
Do Amore Diamonds
Retailer 2
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Retailer 23
November 2, 2026
Retailer 5$3,783 USD
Retailer 3$3,800 USD
Retailer 23$3,982 USD
Retailer 14$4,260 USD
Retailer 6$4,408 USD
Retailer 9$5,049 USD
Retailer 7$5,846 USD
Retailer 22$5,850 USD
Retailer 4$6,080 USD
Retailer 15$6,157 USD
Retailer 13$6,268 USD
Retailer 11$7,144 USD
Retailer 10$7,475 USD
Retailer 2$7,981 USD
Retailer 21$9,884 USD
Retailer 18$10,033 USD
Retailer 17$10,075 USD
Retailer 12$11,164 USD
Retailer 20$13,660 USD
Retailer 19$16,788 USD
Retailer 16$17,311 USD
Retailer 8$17,821 USD
Do Amore Diamonds$26,140 USD

32 data points across 23 retailers

22 retailers$3,800 USD to $26,140 USD

A
Cheapest Retailer
-
$3,800 USD
A
Retailer 2
-
$3,982 USD
View
A
Retailer 3
-
$4,260 USD
View
A
Retailer 4
-
$4,408 USD
View
A
Retailer 5
-
$5,049 USD
View
Final sale: no returns
A
Retailer 6
-
$5,846 USD
View
A
Retailer 7
-
$5,850 USD
View
A
Retailer 8
-
$6,080 USD
View
A
Retailer 9
-
$6,157 USD
HK$48,100 HKD
View
A
Retailer 10
-
$6,268 USD
£4,935 GBP
View
A
Retailer 11
-
$7,144 USD
View
A
Retailer 12
-
$7,475 USD
View
A
Retailer 13
-
$7,981 USD
€7,601 EUR
View
B+
Retailer 14
-
$9,884 USD
ZAR 159,684 ZAR
View
B+
Retailer 15
-
$10,033 USD
A$15,436 AUD
View
B+
Retailer 16
-
$10,075 USD
£7,933 GBP
View
B+
Retailer 17
-
$11,164 USD
View
B+
Retailer 18
-
$13,660 USD
View
B
Retailer 19
-
$16,788 USD
A$25,828 AUD
View
B
Retailer 20
-
$17,311 USD
View
B
Retailer 21
-
$17,821 USD
SGD 24,083 SGD
View
Most Expensive
B
Do Amore Diamonds
27-BF924D53B · Nov 2
$26,140 USD
View
21 more retailers have this diamond
Prices start from $3,800 USDSave up to $22,340 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
$3,800 USD