Radiant|Lab Grown|IGI

3.43ct D IF Radiant Lab Grown Diamond

EX • D/IF • IGI LG737548770

Certificate IGI LG737548770

Diamond specifications and retailer prices

From $8,437 USD
A$12,980 AUD
Save $923 USD (10%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $9,360 USD at Brilliant Earth
View at Brilliant Earth

About this 3.43ct lab-grown radiant diamond

This 3.43ct 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 LG737548770 or 737548770. Listed at 3 retailers, with a relatively tight 11% spread, which is unusual at this carat range and suggests competitive pricing across the listings. 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

3.43
Carat
D
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46°
Pavilion angle31.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG737548770
Dimensions10.99 × 7.43 × 4.71 mm
L/W Ratio1.48
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
10.99 mm7.43 mm3.43 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG737548770
Side View
Table 67.0%Crown 46°Girdle: Slightly ThickPavilion 31.1°Culet: NoneDepth 63.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Sep 29
Current: $9,360 USD|Low: $1,360 USD|High: $10,210 USD|Avg: $5,116 USD
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
September 29, 2026
Retailer 5$1,360 USD
Retailer 16$1,785 USD
Retailer 14$2,306 USD
Retailer 13$2,319 USD
Retailer 9$2,810 USD
Retailer 11$3,124 USD
Retailer 7$3,426 USD
Retailer 15$4,795 USD
Retailer 12$4,955 USD
Retailer 3$5,617 USD
Retailer 6$5,962 USD
Retailer 4$7,087 USD
Retailer 8$8,319 USD
Retailer 2$8,437 USD
Brilliant Earth$9,360 USD
Retailer 10$10,210 USD

2 data points across 16 retailers

3 retailers$8,437 USD to $9,360 USD

A
Retailer 1
-
$2,810 USD
€2,676 EUR
Price last confirmed 78 days ago
B
Retailer 2
-
$8,437 USD
A$12,980 AUD
View
Most Expensive
B
Brilliant Earth
16087413Y · Oct 1
$9,360 USD
View
2 more retailers have this diamond
Prices start from $8,437 USDSave up to $923 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
3.43ct Radiant
$8,437 USD