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3.65ct G SI1 Round Lab Grown Diamond

ID • G/SI1 • IGI LG623496987

Shape and cutting style on the report: Round brilliant

Certificate IGI LG623496987

Diamond specifications and retailer prices

From €568 EUR
$635 USD
As of October 29, 2026
Save €2,224 EUR (80%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: €2,792 EUR at MOH London · As of October 29, 2026
View at MOH London

About this 3.65ct lab-grown round diamond

This 3.65ct lab-grown round sits in the three to five carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG623496987 or 623496987. Listed at 16 retailers as of October 29, 2026, with prices from €568 to €2,792, a €2,224 spread on the same certified stone. MOH London lists it at €2,792. 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
G
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG623496987
Dimensions9.95 × 9.89 × 5.98 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
9.95 mm9.89 mm3.65 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG623496987
Side View
Table 60.0%Crown 33.9°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 60.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 29
Current: €2,792 EUR|Low: €546 EUR|High: €2,810 EUR|Avg: €1,234 EUR|+0.5%
MOH London
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
November 1, 2026
Retailer 11€568 EUR
Retailer 9€619 EUR
Retailer 6€636 EUR
Retailer 15€659 EUR
Retailer 3€660 EUR
Retailer 8€819 EUR
Retailer 7€1,022 EUR
Retailer 2€1,049 EUR
Retailer 5€1,078 EUR
Retailer 14€1,104 EUR
Retailer 10€1,684 EUR
Retailer 13€1,728 EUR
Retailer 12€1,854 EUR
Retailer 4€2,238 EUR
MOH London€2,792 EUR

44 data points across 15 retailers

16 retailers€568 EUR to €2,792 EUR

A
Cheapest Retailer
-
€568 EUR
$635 USD
A
Retailer 2
-
€619 EUR
$691 USD
View
A
Retailer 3
-
€636 EUR
$711 USD
View
Final sale: no returns
A
Retailer 4
-
€659 EUR
$736 USD
View
Retailer 5
-
€660 EUR
$737 USD
View
Price last confirmed 16 days ago
A
Retailer 6
-
€819 EUR
$915 USD
View
A
Retailer 7
-
€1,022 EUR
$1,142 USD
View
A
Retailer 8
-
€1,049 EUR
£923 GBP
View
B+
Retailer 9
-
€1,078 EUR
$1,204 USD
View
Retailer 10
-
€1,104 EUR
£971 GBP
View
Price last confirmed 15 days ago
B
Retailer 11
-
€1,684 EUR
$1,881 USD
View
Retailer 12
-
€1,728 EUR
$1,930 USD
View
Price last confirmed 14 days ago
B
Retailer 13
-
€1,854 EUR
$2,071 USD
View
B
Retailer 14
-
€2,238 EUR
$2,500 USD
View
B
Retailer 15
-
€2,299 EUR
$2,568 USD
View
Most Expensive
B
MOH London
LG623496987 · Oct 29
€2,792 EUR
£2,456 GBP
View
15 more retailers have this diamond
Prices start from €568 EURSave up to €2,224 EUR

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
€568 EUR