Radiant|Lab Grown|IGI

4.27ct D FL Radiant Lab Grown Diamond

EX • D/FL • IGI LG800684607

Certificate IGI LG800684607

Diamond specifications and retailer prices

From $4,897 USD
Save $26,533 USD (84%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $40,860 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 LG800684607 or 800684607. Listed at 12 retailers, with a 542% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 angle41.1°
Pavilion angle35.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800684607
Dimensions11.44 × 8.08 × 5.36 mm
L/W Ratio1.42
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
11.44 mm8.08 mm4.27 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800684607
Side View
Table 68.0%Crown 41.1°Girdle: ThickPavilion 35.6°Culet: NoneDepth 66.3%

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: $7,165 USD|Low: $4,050 USD|High: $40,860 USD|Avg: $15,108 USD|-8.0%
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
With Clarity
September 29, 2026
Retailer 10$4,897 USD
Retailer 12$4,919 USD
Retailer 9$5,335 USD
Retailer 14$5,670 USD
Retailer 1$7,165 USD
Retailer 13$7,224 USD
Retailer 3$8,478 USD
Retailer 11$9,395 USD
Retailer 7$12,045 USD
Retailer 4$14,862 USD
Retailer 6$21,212 USD
Retailer 2$23,180 USD
Retailer 5$25,032 USD
Retailer 8$31,430 USD
With Clarity$40,860 USD

13 data points across 15 retailers

12 retailers$4,897 USD to $31,430 USD

A
Cheapest Retailer
-
$4,897 USD
A
Retailer 2
-
$4,919 USD
View
A
Retailer 3
-
$5,335 USD
View
A
Retailer 4
-
$5,670 USD
View
A
Retailer 5
-
$7,165 USD
View
A
Retailer 6
-
$7,224 USD
View
B+
Retailer 7
-
$8,478 USD
View
Price last confirmed 53 days ago
B+
Retailer 8
-
$9,395 USD
€8,948 EUR
View
B+
Retailer 9
-
$12,045 USD
£9,484 GBP
View
B
Retailer 10
-
$23,180 USD
View
B
Retailer 11
-
$31,430 USD
View
Most Expensive
B
With Clarity
800684607 · Jun 14
$40,860 USD
View
Price last confirmed 109 days ago
11 more retailers have this diamond
Prices start from $4,897 USDSave up to $26,533 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
$4,897 USD