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Round|Lab Grown|IGI

5.42ct D FL Round Lab Grown Diamond

ID • D/FL • IGI LG780667855

Shape and cutting style on the report: Round brilliant

Certificate IGI LG780667855

Diamond specifications and retailer prices

From $6,109 USD
As of October 29, 2026
Save $41,541 USD (87%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $47,650 USD at Mervis Diamond Importers · As of October 31, 2026
View at Mervis Diamond Importers

About this 5.42ct lab-grown round diamond

This 5.42ct lab-grown round sits in the over five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG780667855 or 780667855. Listed at 22 retailers as of October 29, 2026, with prices from $6,109 to $47,650, a $41,541 spread on the same certified stone. Mervis Diamond Importers lists it at $47,650. 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

5.42
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780667855
Dimensions11.24 × 11.29 × 6.92 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
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
11.24 mm11.29 mm5.42 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780667855
Side View
Table 57.0%Crown 34.9°Girdle: MediumPavilion 40.6°Culet: NoneDepth 61.4%

Caratlytics Score

How it works →
A+
Exceptional
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: Oct 29
Current: $47,650 USD|Low: $6,109 USD|High: $47,650 USD|Avg: $14,127 USD
Mervis Diamond Importers
Retailer 2
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Retailer 20
November 1, 2026
Retailer 20$6,109 USD
Retailer 17$6,402 USD
Retailer 11$6,842 USD
Retailer 12$7,086 USD
Retailer 16$7,090 USD
Retailer 18$8,426 USD
Retailer 19$8,942 USD
Retailer 4$9,286 USD
Retailer 6$9,320 USD
Retailer 2$9,789 USD
Retailer 3$10,277 USD
Retailer 15$12,350 USD
Retailer 9$13,059 USD
Retailer 14$15,721 USD
Retailer 13$15,892 USD
Retailer 5$19,504 USD
Retailer 8$20,803 USD
Retailer 10$26,823 USD
Retailer 7$42,030 USD
Mervis Diamond Importers$47,650 USD

42 data points across 20 retailers

22 retailers$6,109 USD to $47,650 USD

A+
Cheapest Retailer
-
$6,109 USD
A
Retailer 2
-
$6,402 USD
View
A
Retailer 3
-
$6,842 USD
View
Final sale: no returns
Retailer 4
-
$7,086 USD
View
Price last confirmed 15 days ago
A
Retailer 5
-
$7,086 USD
View
A
Retailer 6
-
$7,090 USD
View
A
Retailer 7
-
$8,426 USD
View
A
Retailer 8
-
$8,942 USD
View
A
Retailer 9
-
$9,286 USD
View
Retailer 10
-
$9,320 USD
View
Price last confirmed 13 days ago
A
Retailer 11
-
$9,789 USD
£7,708 GBP
View
A
Retailer 12
-
$10,277 USD
View
A
Retailer 13
-
$12,350 USD
€11,762 EUR
View
A
Retailer 14
-
$13,059 USD
View
A
Retailer 15
-
$15,721 USD
£12,379 GBP
View
A
Retailer 16
-
$15,892 USD
ZAR 256,733 ZAR
View
B+
Retailer 17
-
$18,031 USD
View
B+
Retailer 18
-
$19,504 USD
View
B+
Retailer 19
-
$20,803 USD
View
B+
Retailer 20
-
$26,823 USD
View
B
Retailer 21
-
$42,030 USD
View
Most Expensive
B
Mervis Diamond Importers
1974989995 · Oct 31
$47,650 USD
View
21 more retailers have this diamond
Prices start from $6,109 USDSave up to $41,541 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+
5.42ct Round
$6,109 USD