Round|Lab Grown|IGI

5.42ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG570375365

Shape and cutting style on the report: Round brilliant

Certificate IGI LG570375365

Diamond specifications and retailer prices

From $6,248 USD
As of October 29, 2026
Save $36,742 USD (85%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $42,990 USD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 5.42ct lab-grown round diamond

This 5.42ct lab-grown round sits in the over five carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG570375365 or 570375365. Listed at 23 retailers as of October 29, 2026, with prices from $6,248 to $42,990, a $36,742 spread on the same certified stone. Do Amore Diamonds lists it at $42,990. 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
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG570375365
Dimensions11.19 × 11.25 × 6.95 mm
L/W Ratio1.01
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
11.19 mm11.25 mm5.42 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG570375365
Side View
Table 58.0%Crown 34.9°Girdle: MediumPavilion 40.9°Culet: NoneDepth 61.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $10,018 USD|Low: $5,998 USD|High: $61,165 USD|Avg: $14,786 USD|+2.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
October 30, 2026
Retailer 17$6,248 USD
Retailer 7$6,548 USD
Retailer 6$6,703 USD
Retailer 9$6,997 USD
Retailer 10$7,248 USD
Retailer 19$7,248 USD
Retailer 14$7,250 USD
Retailer 16$8,618 USD
Retailer 8$9,497 USD
Retailer 1$10,018 USD
Retailer 2$11,184 USD
Retailer 13$15,792 USD
Retailer 12$16,254 USD
Retailer 15$16,735 USD
Retailer 3$18,515 USD
Retailer 4$23,090 USD
Retailer 18$23,120 USD
Retailer 11$23,896 USD
Retailer 5$61,165 USD

44 data points across 19 retailers

23 retailers$6,248 USD to $42,990 USD

A
Cheapest Retailer
-
$6,248 USD
A
Retailer 2
-
$6,548 USD
View
A
Retailer 3
-
$6,703 USD
View
A
Retailer 4
-
$6,997 USD
View
Final sale: no returns
A
Retailer 5
-
$7,248 USD
View
Retailer 6
-
$7,248 USD
View
Price last confirmed 13 days ago
A
Retailer 7
-
$7,250 USD
View
A
Retailer 8
-
$7,510 USD
View
A
Retailer 9
-
$8,618 USD
View
A
Retailer 10
-
$9,497 USD
View
A
Retailer 11
-
$10,018 USD
£7,888 GBP
View
A
Retailer 12
-
$11,184 USD
View
A
Retailer 13
-
$15,792 USD
£12,435 GBP
View
A
Retailer 14
-
$16,254 USD
ZAR 262,587 ZAR
View
Retailer 15
-
$16,735 USD
A$25,746 AUD
View
Price last confirmed 7 days ago
B+
Retailer 16
-
$18,515 USD
View
B+
Retailer 17
-
$19,948 USD
View
B+
Retailer 18
-
$23,090 USD
View
B+
Retailer 19
-
$23,120 USD
View
B+
Retailer 20
-
$23,896 USD
View
B+
Retailer 21
-
$27,347 USD
View
Most Expensive
B
Do Amore Diamonds
27-B7A5D5EB9 · Oct 29
$42,990 USD
View
21 more retailers have this diamond
Prices start from $6,248 USDSave up to $36,742 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
$6,248 USD