CaratHunter
Plans
Round|Lab Grown|IGI

4.27ct F IF Round Lab Grown Diamond

ID • F/IF • IGI LG624412839

Shape and cutting style on the report: Round brilliant

Certificate IGI LG624412839

Diamond specifications and retailer prices

From $3,071 USD
As of November 1, 2026
Save $27,653 USD (90%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $30,724 USD at Mervis Diamond Importers · As of November 3, 2026
View at Mervis Diamond Importers

About this 4.27ct lab-grown round diamond

This 4.27ct lab-grown round sits in the three to five carat band, graded F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG624412839 or 624412839. Listed at 22 retailers as of November 1, 2026, with prices from $3,071 to $30,724, a $27,653 spread on the same certified stone. Mervis Diamond Importers lists it at $30,724. 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

4.27
Carat
F
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG624412839
Dimensions10.39 × 10.45 × 6.37 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
10.39 mm10.45 mm4.27 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG624412839
Side View
Table 58.0%Crown 34.9°Girdle: MediumPavilion 40.6°Culet: NoneDepth 61.3%

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: Nov 1
Current: $30,724 USD|Low: $2,948 USD|High: $30,724 USD|Avg: $7,482 USD|+33.3%
Mervis Diamond Importers
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
November 3, 2026
Retailer 16$3,071 USD
Retailer 8$3,341 USD
Retailer 6$3,439 USD
Retailer 18$3,562 USD
Retailer 14$3,565 USD
Retailer 7$3,653 USD
Retailer 9$4,913 USD
Retailer 15$5,013 USD
Retailer 2$5,224 USD
Retailer 4$5,533 USD
Retailer 13$8,367 USD
Retailer 12$8,477 USD
Retailer 3$8,923 USD
Retailer 11$9,966 USD
Retailer 17$10,430 USD
Retailer 5$11,143 USD
Retailer 10$11,358 USD
Mervis Diamond Importers$30,724 USD

43 data points across 18 retailers

22 retailers$3,071 USD to $30,724 USD

A
Cheapest Retailer
-
$3,071 USD
A
Retailer 2
-
$3,341 USD
View
A
Retailer 3
-
$3,439 USD
View
Final sale: no returns
A
Retailer 4
-
$3,562 USD
View
Retailer 5
-
$3,562 USD
View
Price last confirmed 21 days ago
A
Retailer 6
-
$3,565 USD
View
A
Retailer 7
-
$3,653 USD
View
A
Retailer 8
-
$4,172 USD
View
B+
Retailer 9
-
$4,913 USD
View
B+
Retailer 10
-
$5,013 USD
View
B+
Retailer 11
-
$5,224 USD
£4,113 GBP
View
B+
Retailer 12
-
$5,533 USD
View
B+
Retailer 13
-
$8,367 USD
ZAR 135,166 ZAR
View
B+
Retailer 14
-
$8,477 USD
A$13,042 AUD
View
B
Retailer 15
-
$8,923 USD
View
B+
Retailer 16
-
$9,966 USD
£7,847 GBP
View
B
Retailer 17
-
$10,430 USD
View
B
Retailer 18
-
$11,143 USD
View
Retailer 19
-
$11,358 USD
View
Price last confirmed 7 days ago
B
Retailer 20
-
$13,801 USD
View
B
Retailer 21
-
$21,130 USD
View
Most Expensive
B
Mervis Diamond Importers
1985409130 · Nov 3
$30,724 USD
View
21 more retailers have this diamond
Prices start from $3,071 USDSave up to $27,653 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
4.27ct Round
$3,071 USD