Radiant|Lab Grown|IGI

3.43ct D VS2 Radiant Lab Grown Diamond

ID • D/VS2 • IGI LG819661622

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG819661622

Diamond specifications and retailer prices

From $1,015 USD
As of October 29, 2026
Save $5,335 USD (84%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $6,350 USD at Brilliant Earth · As of October 29, 2026
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 VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG819661622 or 819661622. Listed at 10 retailers as of October 29, 2026, with prices from $1,015 to $6,350, a $5,335 spread on the same certified stone. Brilliant Earth lists it at $6,350. 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
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.3°
Pavilion angle35.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG819661622
Dimensions10.45 × 7.36 × 4.97 mm
L/W Ratio1.42
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.45 mm7.36 mm3.43 ctD / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG819661622
Side View
Table 67.0%Crown 45.3°Girdle: STK-THKPavilion 35.1°Culet: NoneDepth 67.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $6,350 USD|Low: $365 USD|High: $6,350 USD|Avg: $2,047 USD|+56.4%
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
October 29, 2026
Retailer 14$510 USD
Retailer 3$910 USD
Retailer 10$1,015 USD
Retailer 8$1,063 USD
Retailer 12$1,367 USD
Retailer 4$1,553 USD
Retailer 5$1,866 USD
Retailer 11$2,007 USD
Retailer 13$2,016 USD
Retailer 6$3,157 USD
Retailer 2$3,282 USD
Retailer 7$4,012 USD
Retailer 9$5,760 USD
Brilliant Earth$6,350 USD

24 data points across 14 retailers

10 retailers$1,015 USD to $6,350 USD

A
Cheapest Retailer
-
$1,015 USD
A
Retailer 2
-
$1,063 USD
View
B+
Retailer 3
-
$1,367 USD
€1,302 EUR
View
B+
Retailer 4
-
$2,007 USD
View
B+
Retailer 5
-
$2,016 USD
View
B
Retailer 6
-
$3,157 USD
View
Price last confirmed 50 days ago
B
Retailer 7
-
$3,282 USD
£2,584 GBP
View
B
Retailer 8
-
$4,012 USD
View
B
Retailer 9
-
$5,760 USD
View
Most Expensive
B
Brilliant Earth
22171285A · Oct 29
$6,350 USD
View
9 more retailers have this diamond
Prices start from $1,015 USDSave up to $5,335 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. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
3.43ct Radiant
$1,015 USD