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Radiant|Lab Grown|IGI

3.11ct D IF Radiant Lab Grown Diamond

EX • D/IF • IGI LG762511569

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

Certificate IGI LG762511569

Diamond specifications and retailer prices

From $1,510 AUD
$1,061 USD
As of October 30, 2026
Save $11,900 AUD (89%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $13,410 AUD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 3.11ct lab-grown radiant diamond

This 3.11ct 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 LG762511569 or 762511569. Listed at 22 retailers as of October 30, 2026, with prices from $1,510 to $13,410, a $11,900 spread on the same certified stone. Do Amore Diamonds lists it at $13,410. 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

3.11
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.4°
Pavilion angle36.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG762511569
Dimensions10.41 × 7.29 × 4.91 mm
L/W Ratio1.43
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
10.41 mm7.29 mm3.11 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG762511569
Side View
Table 65.0%Crown 42.4°Girdle: MED-STKPavilion 36.1°Culet: NoneDepth 67.4%

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 30
Current: $13,410 AUD|Low: $1,510 AUD|High: $13,410 AUD|Avg: $4,714 AUD
Do Amore Diamonds
Retailer 2
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Retailer 21
November 1, 2026
Retailer 3$1,510 AUD
Retailer 21$1,644 AUD
Retailer 11$1,693 AUD
Retailer 5$1,752 AUD
Retailer 18$2,000 AUD
Retailer 8$2,234 AUD
Retailer 12$2,793 AUD
Retailer 13$2,806 AUD
Retailer 9$3,314 AUD
Retailer 20$3,515 AUD
Retailer 6$3,626 AUD
Retailer 15$4,369 AUD
Retailer 17$4,492 AUD
Retailer 7$5,337 AUD
Retailer 4$5,432 AUD
Retailer 2$6,216 AUD
Retailer 14$6,773 AUD
Retailer 10$6,871 AUD
Retailer 19$7,673 AUD
Retailer 16$9,751 AUD
Do Amore Diamonds$13,410 AUD

41 data points across 21 retailers

22 retailers$1,510 AUD to $13,410 AUD

A
Cheapest Retailer
-
$1,510 AUD
$1,061 USD
A
Retailer 2
-
$1,644 AUD
$1,155 USD
View
A
Retailer 3
-
$1,693 AUD
$1,189 USD
View
Final sale: no returns
A
Retailer 4
-
$1,752 AUD
$1,231 USD
View
A
Retailer 5
-
$2,000 AUD
$1,405 USD
View
A
Retailer 6
-
$2,234 AUD
$1,569 USD
View
A
Retailer 7
-
$2,793 AUD
$1,962 USD
View
A
Retailer 8
-
$2,806 AUD
£1,552 GBP
View
A
Retailer 9
-
$3,314 AUD
$2,328 USD
View
A
Retailer 10
-
$3,515 AUD
$2,469 USD
View
A
Retailer 11
-
$3,626 AUD
$2,547 USD
View
A
Retailer 12
-
$4,369 AUD
View
A
Retailer 13
-
$4,492 AUD
ZAR 50,974 ZAR
View
B+
Retailer 14
-
$5,337 AUD
£2,952 GBP
View
B+
Retailer 15
-
$5,432 AUD
$3,816 USD
View
B+
Retailer 16
-
$6,216 AUD
£3,438 GBP
View
B+
Retailer 17
-
$6,773 AUD
SGD 6,429 SGD
View
B+
Retailer 18
-
$6,871 AUD
$4,827 USD
View
Retailer 19
-
$7,673 AUD
$5,390 USD
View
Price last confirmed 11 days ago
B+
Retailer 20
-
$9,751 AUD
View
B
Retailer 21
-
$12,015 AUD
$8,440 USD
View
Most Expensive
B
Do Amore Diamonds
27-B25800B40 · Oct 31
$13,410 AUD
$9,420 USD
View
21 more retailers have this diamond
Prices start from $1,510 AUDSave up to $11,900 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
3.11ct Radiant
$1,510 AUD