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Radiant|Lab Grown|IGI

4.27ct D FL Radiant Lab Grown Diamond

EX • D/FL • IGI LG813619528

Certificate IGI LG813619528

Diamond specifications and retailer prices

From $5,130 USD
Save $26,538 USD (84%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $31,668 USD at With Clarity
View at With Clarity

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 FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG813619528 or 813619528. Listed at 22 retailers, with prices from $5,130 to $31,668 at With Clarity, a $26,538 spread on the same certified stone. 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
D
Color
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.6°
Pavilion angle35.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG813619528
Dimensions11.52 × 7.98 × 5.34 mm
L/W Ratio1.44
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.52 mm7.98 mm4.27 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG813619528
Side View
Table 65.0%Crown 44.6°Girdle: MED-STKPavilion 35.4°Culet: NoneDepth 66.9%

Caratlytics Score

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

Price History

Last verified: Sep 30
Current: $13,074 USD|Low: $4,313 USD|High: $35,892 USD|Avg: $12,618 USD
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
Retailer 20
With Clarity
September 29, 2026
Retailer 11$4,870 USD
Retailer 14$5,130 USD
Retailer 6$5,532 USD
Retailer 8$5,850 USD
Retailer 7$6,265 USD
Retailer 3$6,666 USD
Retailer 16$7,150 USD
Retailer 12$8,137 USD
Retailer 20$8,885 USD
Retailer 4$9,188 USD
Retailer 17$9,575 USD
Retailer 15$12,884 USD
Retailer 1$13,074 USD
Retailer 18$13,171 USD
Retailer 2$16,083 USD
Retailer 9$16,824 USD
Retailer 10$17,399 USD
Retailer 13$20,309 USD
Retailer 5$22,218 USD
Retailer 19$23,180 USD
With Clarity$31,035 USD

37 data points across 21 retailers

22 retailers$5,130 USD to $31,668 USD

A
Cheapest Retailer
-
$5,130 USD
A
Retailer 2
-
$5,532 USD
View
Price last confirmed 19 days ago
A
Retailer 3
-
$5,850 USD
CA$8,126 CAD
View
A
Retailer 4
-
$6,265 USD
View
A
Retailer 5
-
$6,666 USD
View
A
Retailer 6
-
$7,150 USD
View
A
Retailer 7
-
$8,155 USD
£6,421 GBP
View
B+
Retailer 8
-
$8,885 USD
£6,996 GBP
View
B+
Retailer 9
-
$9,188 USD
View
B+
Retailer 10
-
$9,575 USD
€9,119 EUR
View
B+
Retailer 11
-
$11,580 USD
View
B+
Retailer 12
-
$12,884 USD
£10,145 GBP
View
B+
Retailer 13
-
$13,074 USD
ZAR 211,205 ZAR
View
B+
Retailer 14
-
$13,171 USD
View
Price last confirmed 8 days ago
B
Retailer 15
-
$16,083 USD
View
B
Retailer 16
-
$16,824 USD
View
B
Retailer 17
-
$17,399 USD
View
B
Retailer 18
-
$20,309 USD
View
B
Retailer 19
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$22,218 USD
View
B
Retailer 20
-
$23,180 USD
View
Price last confirmed 20 days ago
B
Retailer 21
-
$23,180 USD
View
Most Expensive
B
With Clarity
813619528 · Sep 30
$31,668 USD
View
21 more retailers have this diamond
Prices start from $5,130 USDSave up to $26,538 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
$5,130 USD