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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 $1,973 USD
As of October 29, 2026
Save $13,397 USD (87%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $15,370 USD at Brilliant Earth · As of October 29, 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 $1,973 to $15,370, a $13,397 spread on the same certified stone. Brilliant Earth lists it at $15,370. 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
Color
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: $15,370 USD|Low: $1,973 USD|High: $15,380 USD|Avg: $4,907 USD|-0.1%
Brilliant Earth
Retailer 2
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Retailer 4
Retailer 5
Retailer 6
Retailer 7
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Retailer 11
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Retailer 21
October 30, 2026
Retailer 6$1,973 USD
Retailer 20$2,146 USD
Retailer 21$2,209 USD
Retailer 4$2,288 USD
Retailer 14$2,397 USD
Retailer 12$2,447 USD
Retailer 17$2,455 USD
Retailer 2$3,135 USD
Retailer 8$3,145 USD
Retailer 19$3,443 USD
Retailer 7$3,582 USD
Retailer 16$3,646 USD
Retailer 3$3,757 USD
Retailer 13$5,314 USD
Retailer 18$5,936 USD
Retailer 9$6,285 USD
Retailer 15$6,570 USD
Retailer 10$7,689 USD
Retailer 5$8,009 USD
Retailer 11$8,420 USD
Brilliant Earth$15,370 USD

28 data points across 21 retailers

22 retailers$1,973 USD to $15,370 USD

A
Cheapest Retailer
-
$1,973 USD
A
Retailer 2
-
$2,146 USD
View
A
Retailer 3
-
$2,209 USD
View
Final sale: no returns
A
Retailer 4
-
$2,288 USD
View
Retailer 5
-
$2,397 USD
View
Price last confirmed 19 days ago
A
Retailer 6
-
$2,447 USD
View
A
Retailer 7
-
$2,455 USD
View
A
Retailer 8
-
$3,135 USD
£2,468 GBP
View
A
Retailer 9
-
$3,145 USD
View
A
Retailer 10
-
$3,443 USD
View
A
Retailer 11
-
$3,582 USD
View
B+
Retailer 12
-
$3,646 USD
€3,472 EUR
View
A
Retailer 13
-
$3,757 USD
View
B+
Retailer 14
-
$5,314 USD
ZAR 85,841 ZAR
View
B+
Retailer 15
-
$5,936 USD
View
B+
Retailer 16
-
$5,975 USD
View
B+
Retailer 17
-
$6,285 USD
View
B+
Retailer 18
-
$6,570 USD
£5,173 GBP
View
B+
Retailer 19
-
$7,689 USD
SGD 10,390 SGD
View
B+
Retailer 20
-
$8,009 USD
View
B+
Retailer 21
-
$8,420 USD
View
Most Expensive
B
Brilliant Earth
21420536A · Oct 29
$15,370 USD
View
21 more retailers have this diamond
Prices start from $1,973 USDSave up to $13,397 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
3.65ct Round
$1,973 USD