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Round|Lab Grown|IGI

3.65ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG700501868

Shape and cutting style on the report: Round brilliant

Certificate IGI LG700501868

Diamond specifications and retailer prices

From $519 USD
As of October 29, 2026
Save $4,091 USD (89%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $4,610 USD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG700501868 or 700501868. Listed at 17 retailers as of October 29, 2026, with prices from $519 to $4,610, a $4,091 spread on the same certified stone. Do Amore Diamonds lists it at $4,610. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

3.65
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG700501868
Dimensions9.85 × 9.82 × 6.08 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.85 mm9.82 mm3.65 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG700501868
Side View
Table 60.0%Crown 35.2°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 61.9%

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: $1,106 USD|Low: $415 USD|High: $3,122 USD|Avg: $1,472 USD|+4.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 30, 2026
Retailer 10$581 USD
Retailer 12$581 USD
Retailer 6$780 USD
Retailer 3$928 USD
Retailer 11$949 USD
Retailer 9$997 USD
Retailer 1$1,106 USD
Retailer 7$1,661 USD
Retailer 2$2,090 USD
Retailer 4$2,418 USD
Retailer 8$2,740 USD
Retailer 5$3,100 USD

37 data points across 12 retailers

17 retailers$519 USD to $4,610 USD

A
Cheapest Retailer
-
$519 USD
A
Retailer 2
-
$581 USD
View
Final sale: no returns
A
Retailer 3
-
$581 USD
View
A
Retailer 4
-
$644 USD
View
Retailer 5
-
$644 USD
View
Price last confirmed 14 days ago
A
Retailer 6
-
$780 USD
View
A
Retailer 7
-
$928 USD
View
A
Retailer 8
-
$949 USD
View
B+
Retailer 9
-
$997 USD
View
A
Retailer 10
-
$1,106 USD
£871 GBP
View
B
Retailer 11
-
$1,661 USD
View
B+
Retailer 12
-
$1,868 USD
View
Retailer 13
-
$2,090 USD
View
Price last confirmed 51 days ago
B
Retailer 14
-
$2,418 USD
View
B
Retailer 15
-
$2,740 USD
View
B
Retailer 16
-
$3,100 USD
£2,441 GBP
View
Most Expensive
B
Do Amore Diamonds
27-483311FA2 · Oct 29
$4,610 USD
View
16 more retailers have this diamond
Prices start from $519 USDSave up to $4,091 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
$519 USD