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Radiant|Lab Grown|IGI

3.31ct D IF Radiant Lab Grown Diamond

EX • D/IF • IGI LG754563524

Certificate IGI LG754563524

Diamond specifications and retailer prices

From $1,417 USD
Save $6,803 USD (83%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $8,220 USD at Brilliant Earth
View at Brilliant Earth

About this 3.31ct lab-grown radiant diamond

This 3.31ct lab-grown radiant sits in the three to five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG754563524 or 754563524. Listed at 21 retailers, with prices from $1,417 to $8,220 at Brilliant Earth, a $6,803 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

3.31
Carat
D
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.8°
Pavilion angle33.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754563524
Dimensions7.40 × 7.40 × 10.79 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
7.40 mm7.40 mm3.31 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754563524
Side View
Table 64.0%Crown 40.8°Girdle: MediumPavilion 33.9°Culet: NoneDepth 65.7%

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: $8,220 USD|Low: $1,542 USD|High: $13,050 USD|Avg: $4,503 USD|-37.0%
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
October 1, 2026
Retailer 17$1,542 USD
Retailer 3$1,621 USD
Retailer 6$1,829 USD
Retailer 5$1,873 USD
Retailer 10$2,202 USD
Retailer 13$2,278 USD
Retailer 14$2,631 USD
Retailer 7$2,677 USD
Retailer 18$2,817 USD
Retailer 15$4,136 USD
Retailer 8$4,374 USD
Retailer 9$4,733 USD
Retailer 11$5,244 USD
Retailer 16$5,565 USD
Retailer 2$5,979 USD
Retailer 4$6,607 USD
Retailer 12$7,357 USD
Brilliant Earth$8,220 USD

38 data points across 18 retailers

21 retailers$1,417 USD to $8,220 USD

A
Cheapest Retailer
-
$1,417 USD
A
Retailer 2
-
$1,542 USD
View
A
Retailer 3
-
$1,621 USD
View
A
Retailer 4
-
$1,829 USD
View
A
Retailer 5
-
$1,873 USD
View
A
Retailer 6
-
$2,202 USD
View
A
Retailer 7
-
$2,278 USD
HK$17,800 HKD
View
A
Retailer 8
-
$2,582 USD
£2,033 GBP
View
Price last confirmed 21 days ago
A
Retailer 9
-
$2,637 USD
£2,076 GBP
View
A
Retailer 10
-
$2,677 USD
View
A
Retailer 11
-
$2,817 USD
€2,683 EUR
View
A
Retailer 12
-
$3,400 USD
View
A
Retailer 13
-
$4,136 USD
ZAR 66,819 ZAR
View
B+
Retailer 14
-
$4,374 USD
£3,444 GBP
View
B+
Retailer 15
-
$4,733 USD
View
B+
Retailer 16
-
$5,244 USD
£4,129 GBP
View
B+
Retailer 17
-
$5,565 USD
View
B+
Retailer 18
-
$5,979 USD
View
B+
Retailer 19
-
$6,607 USD
SGD 8,928 SGD
View
B
Retailer 20
-
$7,357 USD
A$11,319 AUD
View
Most Expensive
B
Brilliant Earth
18669365Y · Sep 29
$8,220 USD
View
20 more retailers have this diamond
Prices start from $1,417 USDSave up to $6,803 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
3.31ct Radiant
$1,417 USD