Round|Lab Grown|IGI

1.65ct G SI1 Round Lab Grown Diamond

ID • G/SI1 • IGI LG514249714

Shape and cutting style on the report: Round brilliant

Certificate IGI LG514249714

Diamond specifications and retailer prices

From €321 EUR
$359 USD
As of November 1, 2026
Save €1,399 EUR (81%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: €2,855 EUR at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 1.65ct lab-grown round diamond

This 1.65ct lab-grown round sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG514249714 or 514249714. Listed at 19 retailers as of November 1, 2026, with a 435% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

1.65
Carat
G
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG514249714
Dimensions7.57 × 7.61 × 4.70 mm
L/W Ratio1.01
Girdle conditionFaceted
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
7.57 mm7.61 mm1.65 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG514249714
Side View
Table 58.0%Crown 35.5°Girdle: MediumPavilion 41.1°Culet: NoneDepth 61.9%

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: Nov 1
Current: €2,855 EUR|Low: €321 EUR|High: €2,855 EUR|Avg: €931 EUR
Do Amore Diamonds
Retailer 2
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Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
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Retailer 18
Retailer 19
November 1, 2026
Retailer 18€321 EUR
Retailer 16€373 EUR
Retailer 14€398 EUR
Retailer 4€399 EUR
Retailer 15€399 EUR
Retailer 19€399 EUR
Retailer 6€533 EUR
Retailer 7€640 EUR
Retailer 17€698 EUR
Retailer 9€708 EUR
Retailer 13€714 EUR
Retailer 11€778 EUR
Retailer 12€784 EUR
Retailer 5€1,170 EUR
Retailer 8€1,241 EUR
Retailer 3€1,415 EUR
Retailer 10€1,552 EUR
Retailer 2€1,720 EUR
Do Amore Diamonds€2,855 EUR

16 data points across 19 retailers

19 retailers€321 EUR to €1,720 EUR

A
Cheapest Retailer
-
€321 EUR
$359 USD
A
Retailer 2
-
€373 EUR
$417 USD
View
B+
Retailer 3
-
€398 EUR
$445 USD
View
Retailer 4
-
€399 EUR
$446 USD
View
Price last confirmed 7 days ago
A
Retailer 5
-
€399 EUR
$446 USD
View
A
Retailer 6
-
€399 EUR
$446 USD
View
B+
Retailer 7
-
€533 EUR
$595 USD
View
Retailer 8
-
€640 EUR
$715 USD
View
Price last confirmed 11 days ago
B+
Retailer 9
-
€698 EUR
$780 USD
View
B+
Retailer 10
-
€708 EUR
$791 USD
View
B+
Retailer 11
-
€714 EUR
£628 GBP
View
B+
Retailer 12
-
€778 EUR
$869 USD
View
B+
Retailer 13
-
€784 EUR
£690 GBP
View
B
Retailer 14
-
€1,170 EUR
$1,307 USD
View
B
Retailer 15
-
€1,241 EUR
$1,386 USD
View
B
Retailer 16
-
€1,415 EUR
$1,581 USD
View
B
Retailer 17
-
€1,552 EUR
$1,734 USD
View
B
Retailer 18
-
€1,720 EUR
£1,513 GBP
View
Most Expensive
Do Amore Diamonds
27-9917A8657 · Oct 31
€2,855 EUR
$3,190 USD
View
Price under review
18 more retailers have this diamond
Prices start from €321 EURSave up to €1,399 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
1.65ct Round
€321 EUR