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Radiant|Lab Grown|IGI

3.19ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG689574863

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

Certificate IGI LG689574863

Diamond specifications and retailer prices

From $1,697 USD
As of October 27, 2026
Save $8,823 USD (84%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $10,520 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.19ct lab-grown radiant diamond

This 3.19ct 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 LG689574863 or 689574863. Listed at 18 retailers as of October 27, 2026, with prices from $1,697 to $10,520, a $8,823 spread on the same certified stone. Brilliant Earth lists it at $10,520. 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

3.19
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40°
Pavilion angle34.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG689574863
Dimensions10.99 × 7.34 × 4.72 mm
L/W Ratio1.50
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.99 mm7.34 mm3.19 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG689574863
Side View
Table 63.0%Crown 40°Girdle: MediumPavilion 34.7°Culet: NoneDepth 64.3%

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 27
Current: $10,520 USD|Low: $1,356 USD|High: $10,520 USD|Avg: $4,622 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
October 29, 2026
Retailer 10$2,078 USD
Retailer 12$2,140 USD
Retailer 14$2,573 USD
Retailer 5$2,682 USD
Retailer 2$2,988 USD
Retailer 11$3,254 USD
Retailer 9$3,263 USD
Retailer 13$3,630 USD
Retailer 3$4,496 USD
Retailer 7$5,902 USD
Retailer 8$6,214 USD
Retailer 4$6,301 USD
Retailer 15$7,462 USD
Retailer 6$7,612 USD
Brilliant Earth$10,520 USD

42 data points across 15 retailers

18 retailers$1,697 USD to $10,520 USD

A
Cheapest Retailer
-
$1,697 USD
A
Retailer 2
-
$1,846 USD
View
A
Retailer 3
-
$1,969 USD
View
A
Retailer 4
-
$2,078 USD
View
Final sale: no returns
A
Retailer 5
-
$2,140 USD
View
A
Retailer 6
-
$2,573 USD
HK$20,100 HKD
View
A
Retailer 7
-
$2,682 USD
View
A
Retailer 8
-
$2,988 USD
£2,352 GBP
View
A
Retailer 9
-
$3,254 USD
View
A
Retailer 10
-
$3,263 USD
€3,108 EUR
View
B+
Retailer 11
-
$3,630 USD
View
B+
Retailer 12
-
$4,496 USD
£3,540 GBP
View
B+
Retailer 13
-
$5,902 USD
View
B+
Retailer 14
-
$6,214 USD
£4,893 GBP
View
B
Retailer 15
-
$6,301 USD
View
B
Retailer 16
-
$7,462 USD
SGD 10,084 SGD
View
B
Retailer 17
-
$7,612 USD
View
Most Expensive
B
Brilliant Earth
16979789Y · Oct 29
$10,520 USD
View
17 more retailers have this diamond
Prices start from $1,697 USDSave up to $8,823 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
3.19ct Radiant
$1,697 USD