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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 $2,416 AUD
$1,697 USD
As of October 27, 2026
Save $12,559 AUD (84%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $14,974 AUD 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 $2,416 to $14,974, a $12,559 spread on the same certified stone. Brilliant Earth lists it at $14,974. 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
Colour
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

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 27
Current: $14,974 AUD|Low: $1,930 AUD|High: $14,974 AUD|Avg: $6,584 AUD
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 30, 2026
Retailer 10$2,958 AUD
Retailer 12$3,046 AUD
Retailer 14$3,662 AUD
Retailer 5$3,818 AUD
Retailer 2$4,253 AUD
Retailer 11$4,632 AUD
Retailer 9$4,645 AUD
Retailer 13$5,167 AUD
Retailer 3$6,399 AUD
Retailer 7$8,401 AUD
Retailer 8$8,845 AUD
Retailer 4$8,969 AUD
Retailer 15$10,622 AUD
Retailer 6$10,835 AUD
Brilliant Earth$14,974 AUD

43 data points across 15 retailers

18 retailers$2,416 AUD to $14,974 AUD

A
Cheapest Retailer
-
$2,416 AUD
$1,697 USD
A
Retailer 2
-
$2,628 AUD
$1,846 USD
View
A
Retailer 3
-
$2,803 AUD
$1,969 USD
View
A
Retailer 4
-
$2,958 AUD
$2,078 USD
View
Final sale: no returns
A
Retailer 5
-
$3,046 AUD
$2,140 USD
View
A
Retailer 6
-
$3,662 AUD
HK$20,100 HKD
View
A
Retailer 7
-
$3,818 AUD
$2,682 USD
View
A
Retailer 8
-
$4,253 AUD
£2,352 GBP
View
A
Retailer 9
-
$4,632 AUD
$3,254 USD
View
A
Retailer 10
-
$4,645 AUD
€3,108 EUR
View
B+
Retailer 11
-
$5,167 AUD
$3,630 USD
View
B+
Retailer 12
-
$6,399 AUD
£3,540 GBP
View
B+
Retailer 13
-
$8,401 AUD
$5,902 USD
View
B+
Retailer 14
-
$8,845 AUD
£4,893 GBP
View
B
Retailer 15
-
$8,969 AUD
$6,301 USD
View
B
Retailer 16
-
$10,622 AUD
SGD 10,084 SGD
View
B
Retailer 17
-
$10,835 AUD
$7,612 USD
View
Most Expensive
B
Brilliant Earth
16979789Y · Oct 29
$14,974 AUD
$10,520 USD
View
17 more retailers have this diamond
Prices start from $2,416 AUDSave up to $12,559 AUD

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
$2,416 AUD