Radiant|Lab Grown|IGI

4.27ct D IF Radiant Lab Grown Diamond

- • D/IF • IGI LG754595228

Certificate IGI LG754595228

Diamond specifications and retailer prices

From $4,464 USD
Save $16,606 USD (79%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $21,070 USD at Brilliant Earth
View at Brilliant Earth

About this 4.27ct lab-grown radiant diamond

This 4.27ct lab-grown radiant sits in the three to five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a standard cut grade and certified by IGI LG754595228 or 754595228. Listed at 16 retailers, with prices from $4,464 to $21,070 at Brilliant Earth, a $16,606 spread on the same certified stone. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

4.27
Carat
D
Color
IF
Clarity
-
Cut

Specifications

Cut-
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.5°
Pavilion angle32.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754595228
Dimensions8.08 × 8.08 × 11.81 mm
L/W Ratio1.00
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
8.08 mm8.08 mm4.27 ctD / IF
OriginLab Grown
Cut-
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754595228
Side View
Table 64.0%Crown 40.5°Girdle: MediumPavilion 32.7°Culet: NoneDepth 64.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0-100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Sep 30
Current: $21,070 USD|Low: $3,397 USD|High: $21,120 USD|Avg: $10,758 USD|-0.2%
Brilliant Earth
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
October 1, 2026
Retailer 8$3,397 USD
Retailer 14$4,464 USD
Retailer 4$5,772 USD
Retailer 13$5,862 USD
Retailer 3$6,195 USD
Retailer 9$6,332 USD
Retailer 15$7,495 USD
Retailer 6$9,770 USD
Retailer 10$9,812 USD
Retailer 11$10,179 USD
Retailer 7$12,588 USD
Retailer 2$15,244 USD
Retailer 16$16,673 USD
Retailer 5$16,972 USD
Retailer 12$18,218 USD
Brilliant Earth$21,070 USD

35 data points across 16 retailers

16 retailers$4,464 USD to $21,070 USD

A
Cheapest Retailer
-
$4,464 USD
A
Retailer 2
-
$5,772 USD
View
A
Retailer 3
-
$5,862 USD
HK$45,800 HKD
View
A
Retailer 4
-
$6,195 USD
View
A
Retailer 5
-
$6,346 USD
£4,997 GBP
View
A
Retailer 6
-
$6,399 USD
£5,039 GBP
View
Price last confirmed 21 days ago
A
Retailer 7
-
$7,495 USD
€7,138 EUR
View
B+
Retailer 8
-
$9,770 USD
View
B+
Retailer 9
-
$9,812 USD
ZAR 158,516 ZAR
View
B+
Retailer 10
-
$10,179 USD
£8,015 GBP
View
B+
Retailer 11
-
$12,588 USD
View
B
Retailer 12
-
$15,244 USD
A$23,452 AUD
View
B
Retailer 13
-
$16,673 USD
View
B
Retailer 14
-
$16,972 USD
SGD 22,935 SGD
View
B
Retailer 15
-
$18,590 USD
View
Most Expensive
B
Brilliant Earth
18146429A · Oct 1
$21,070 USD
View
15 more retailers have this diamond
Prices start from $4,464 USDSave up to $16,606 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.

A
4.27ct Radiant
$4,464 USD