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Round|Lab Grown|IGI

3.65ct E FL Round Lab Grown Diamond

ID • E/FL • IGI LG804658133

Shape and cutting style on the report: Round brilliant

Certificate IGI LG804658133

Diamond specifications and retailer prices

From $2,809 AUD
$1,973 USD
As of October 29, 2026
Save $15,926 AUD (85%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $18,735 AUD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 3.65ct lab-grown round diamond

This 3.65ct lab-grown round 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 LG804658133 or 804658133. Listed at 22 retailers as of October 29, 2026, with prices from $2,809 to $18,735, a $15,926 spread on the same certified stone. Brilliant Earth lists it at $18,735. 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

3.65
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG804658133
Dimensions9.86 × 9.81 × 6.13 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
9.86 mm9.81 mm3.65 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG804658133
Side View
Table 58.0%Crown 34.8°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 62.3%

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 29
Current: $18,735 AUD|Low: $2,809 AUD|High: $21,895 AUD|Avg: $6,984 AUD|-14.4%
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
October 30, 2026
Retailer 6$2,809 AUD
Retailer 20$3,055 AUD
Retailer 21$3,145 AUD
Retailer 4$3,257 AUD
Retailer 14$3,412 AUD
Retailer 12$3,484 AUD
Retailer 17$3,495 AUD
Retailer 2$4,463 AUD
Retailer 8$4,477 AUD
Retailer 19$4,901 AUD
Retailer 7$5,099 AUD
Retailer 16$5,190 AUD
Retailer 3$5,348 AUD
Retailer 13$7,564 AUD
Retailer 18$8,450 AUD
Retailer 9$8,947 AUD
Retailer 15$9,353 AUD
Retailer 10$10,945 AUD
Retailer 5$11,402 AUD
Retailer 11$11,987 AUD
Brilliant Earth$18,735 AUD

28 data points across 21 retailers

22 retailers$2,809 AUD to $18,735 AUD

A
Cheapest Retailer
-
$2,809 AUD
$1,973 USD
A
Retailer 2
-
$3,055 AUD
$2,146 USD
View
A
Retailer 3
-
$3,145 AUD
$2,209 USD
View
Final sale: no returns
A
Retailer 4
-
$3,257 AUD
$2,288 USD
View
Retailer 5
-
$3,412 AUD
$2,397 USD
View
Price last confirmed 19 days ago
A
Retailer 6
-
$3,484 AUD
$2,447 USD
View
A
Retailer 7
-
$3,495 AUD
$2,455 USD
View
A
Retailer 8
-
$4,463 AUD
£2,468 GBP
View
A
Retailer 9
-
$4,477 AUD
$3,145 USD
View
A
Retailer 10
-
$4,901 AUD
$3,443 USD
View
B+
Retailer 11
-
$5,099 AUD
$3,582 USD
View
B+
Retailer 12
-
$5,190 AUD
€3,472 EUR
View
B+
Retailer 13
-
$5,348 AUD
$3,757 USD
View
B+
Retailer 14
-
$7,564 AUD
ZAR 85,841 ZAR
View
B+
Retailer 15
-
$8,450 AUD
$5,936 USD
View
B+
Retailer 16
-
$8,506 AUD
$5,975 USD
View
B+
Retailer 17
-
$8,947 AUD
$6,285 USD
View
B+
Retailer 18
-
$9,353 AUD
£5,173 GBP
View
B+
Retailer 19
-
$10,945 AUD
SGD 10,390 SGD
View
B+
Retailer 20
-
$11,402 AUD
$8,009 USD
View
B+
Retailer 21
-
$11,987 AUD
$8,420 USD
View
Most Expensive
B
Brilliant Earth
21420536A · Oct 30
$18,735 AUD
$13,160 USD
View
21 more retailers have this diamond
Prices start from $2,809 AUDSave up to $15,926 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
3.65ct Round
$2,809 AUD