Radiant|Lab Grown|IGI

4.33ct E IF Radiant Lab Grown Diamond

EX • E/IF • IGI LG816638115

Certificate IGI LG816638115

Diamond specifications and retailer prices

From $2,790 USD
Save $12,780 USD (82%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $15,570 USD at Brilliant Earth
View at Brilliant Earth

About this 4.33ct lab-grown radiant diamond

This 4.33ct lab-grown radiant sits in the three to five carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG816638115 or 816638115. Listed at 23 retailers, with prices from $2,790 to $15,570 at Brilliant Earth, a $12,780 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

4.33
Carat
E
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.9°
Pavilion angle35.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816638115
Dimensions11.65 × 7.99 × 5.43 mm
L/W Ratio1.46
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.65 mm7.99 mm4.33 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816638115
Side View
Table 64.0%Crown 42.9°Girdle: MED-STKPavilion 35.4°Culet: NoneDepth 68.0%

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: Oct 1
Current: $15,570 USD|Low: $1,809 USD|High: $15,620 USD|Avg: $6,436 USD|-0.3%
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
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
October 1, 2026
Retailer 8$2,661 USD
Retailer 9$2,790 USD
Retailer 19$2,893 USD
Retailer 15$3,151 USD
Retailer 13$3,675 USD
Retailer 7$3,752 USD
Retailer 10$3,860 USD
Retailer 20$3,880 USD
Retailer 3$4,983 USD
Retailer 16$5,486 USD
Retailer 18$5,630 USD
Retailer 5$6,174 USD
Retailer 4$6,516 USD
Retailer 17$7,209 USD
Retailer 14$7,415 USD
Retailer 21$7,575 USD
Retailer 11$9,171 USD
Retailer 2$10,089 USD
Retailer 12$11,350 USD
Retailer 6$12,573 USD
Brilliant Earth$15,570 USD

37 data points across 21 retailers

23 retailers$2,790 USD to $15,570 USD

A
Retailer 1
-
$2,661 USD
Price last confirmed 19 days ago
A
Retailer 2
-
$2,790 USD
View
A
Retailer 3
-
$2,893 USD
View
A
Retailer 4
-
$3,151 USD
View
A
Retailer 5
-
$3,683 USD
£2,900 GBP
View
A
Retailer 6
-
$3,752 USD
View
A
Retailer 7
-
$3,860 USD
CA$5,361 CAD
View
A
Retailer 8
-
$3,880 USD
€3,695 EUR
View
A
Retailer 9
-
$4,983 USD
£3,924 GBP
View
A
Retailer 10
-
$5,486 USD
ZAR 88,631 ZAR
View
A
Retailer 11
-
$5,630 USD
A$8,662 AUD
View
A
Retailer 12
-
$6,174 USD
View
A
Retailer 13
-
$6,516 USD
View
A
Retailer 14
-
$6,667 USD
View
A
Retailer 15
-
$7,209 USD
£5,676 GBP
View
A
Retailer 16
-
$7,415 USD
View
A
Retailer 17
-
$7,575 USD
View
Price last confirmed 8 days ago
B+
Retailer 18
-
$9,171 USD
View
B+
Retailer 19
-
$10,089 USD
A$15,521 AUD
View
B+
Retailer 20
-
$11,350 USD
View
B+
Retailer 21
-
$12,830 USD
View
B
Retailer 22
-
$15,570 USD
View
Price last confirmed 15 days ago
Most Expensive
B
Brilliant Earth
20997610A · Oct 1
$15,570 USD
View
22 more retailers have this diamond
Prices start from $2,790 USDSave up to $12,780 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
4.33ct Radiant
$2,790 USD