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Radiant|Lab Grown|IGI

3.61ct E FL Radiant Lab Grown Diamond

ID • E/FL • IGI LG780666051

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

Certificate IGI LG780666051

Diamond specifications and retailer prices

From $3,011 AUD
$2,115 USD
As of October 30, 2026
Save $17,702 AUD (85%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $20,713 AUD at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

About this 3.61ct lab-grown radiant diamond

This 3.61ct lab-grown radiant sits in the three to five carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG780666051 or 780666051. Listed at 15 retailers as of October 30, 2026, with prices from $3,011 to $20,713, a $17,702 spread on the same certified stone. Do Amore Diamonds lists it at $20,713. 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

3.61
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.5°
Pavilion angle33.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780666051
Dimensions10.79 × 7.51 × 5.01 mm
L/W Ratio1.44
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
10.79 mm7.51 mm3.61 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780666051
Side View
Table 59.0%Crown 42.5°Girdle: ThickPavilion 33.9°Culet: NoneDepth 66.7%

Caratlytics Score

How it works →
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 30
Current: $20,713 AUD|Low: $3,011 AUD|High: $24,073 AUD|Avg: $8,188 AUD|-14.0%
Do Amore Diamonds
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 31, 2026
Retailer 11$3,011 AUD
Retailer 5$3,276 AUD
Retailer 13$3,568 AUD
Retailer 15$3,730 AUD
Retailer 7$4,120 AUD
Retailer 4$5,226 AUD
Retailer 3$5,300 AUD
Retailer 12$5,460 AUD
Retailer 14$5,602 AUD
Retailer 2$6,463 AUD
Retailer 10$9,246 AUD
Retailer 6$9,579 AUD
Retailer 9$10,517 AUD
Retailer 8$13,425 AUD
Do Amore Diamonds$20,713 AUD

36 data points across 15 retailers

15 retailers$3,011 AUD to $20,713 AUD

A
Cheapest Retailer
-
$3,011 AUD
$2,115 USD
A
Retailer 2
-
$3,276 AUD
$2,301 USD
View
A
Retailer 3
-
$3,568 AUD
$2,506 USD
View
A
Retailer 4
-
$3,730 AUD
$2,620 USD
View
A
Retailer 5
-
$4,120 AUD
$2,894 USD
View
Final sale: no returns
A
Retailer 6
-
$5,226 AUD
$3,671 USD
View
A
Retailer 7
-
$5,300 AUD
$3,723 USD
View
A
Retailer 8
-
$5,460 AUD
$3,835 USD
View
A
Retailer 9
-
$5,602 AUD
$3,935 USD
View
B+
Retailer 10
-
$6,463 AUD
€4,324 EUR
View
B+
Retailer 11
-
$9,246 AUD
$6,495 USD
View
B+
Retailer 12
-
$9,579 AUD
$6,729 USD
View
B+
Retailer 13
-
$10,517 AUD
£5,817 GBP
View
B
Retailer 14
-
$13,425 AUD
$9,430 USD
View
Most Expensive
B
Do Amore Diamonds
27-D2EC58257 · Oct 30
$20,713 AUD
$14,550 USD
View
14 more retailers have this diamond
Prices start from $3,011 AUDSave up to $17,702 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
3.61ct Radiant
$3,011 AUD