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Round|Lab Grown|IGI

1.65ct H SI1 Round Lab Grown Diamond

EX • H/SI1 • IGI LG444015795

Shape and cutting style on the report: Round brilliant

Certificate IGI LG444015795

Diamond specifications and retailer prices

From €318 EUR
$355 USD
As of November 1, 2026
Save €2,502 EUR (89%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: €2,820 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 H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG444015795 or 444015795. Listed at 17 retailers as of October 31, 2026, with prices from €318 to €2,820, a €2,502 spread on the same certified stone. Do Amore Diamonds lists it at €2,820. 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
H
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle36°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG444015795
Dimensions7.47 × 7.50 × 4.73 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Chemical Vapor Deposition (CVD) laboratory grown diamond is classified as Type IIa
Top View
7.47 mm7.50 mm1.65 ctH / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG444015795
Side View
Table 57.5%Crown 36°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 63.2%

Caratlytics Score

How it works →
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: €2,820 EUR|Low: €318 EUR|High: €2,820 EUR|Avg: €857 EUR
Do Amore Diamonds
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
November 1, 2026
Retailer 16€318 EUR
Retailer 13€369 EUR
Retailer 10€387 EUR
Retailer 4€394 EUR
Retailer 12€394 EUR
Retailer 17€490 EUR
Retailer 5€528 EUR
Retailer 6€662 EUR
Retailer 8€682 EUR
Retailer 14€694 EUR
Retailer 2€702 EUR
Retailer 9€763 EUR
Retailer 15€1,156 EUR
Retailer 7€1,193 EUR
Retailer 3€1,399 EUR
Retailer 11€1,710 EUR
Do Amore Diamonds€2,820 EUR

12 data points across 17 retailers

17 retailers€318 EUR to €2,820 EUR

A
Cheapest Retailer
-
€318 EUR
$355 USD
A
Retailer 2
-
€369 EUR
$412 USD
View
B+
Retailer 3
-
€387 EUR
$432 USD
View
Retailer 4
-
€394 EUR
$440 USD
View
Price last confirmed 7 days ago
A
Retailer 5
-
€394 EUR
$440 USD
View
A
Retailer 6
-
€490 EUR
$547 USD
View
A
Retailer 7
-
€528 EUR
$590 USD
View
Retailer 8
-
€662 EUR
$740 USD
View
Price last confirmed 11 days ago
A
Retailer 9
-
€682 EUR
$762 USD
View
A
Retailer 10
-
€694 EUR
$775 USD
View
A
Retailer 11
-
€702 EUR
£618 GBP
View
A
Retailer 12
-
€763 EUR
$852 USD
View
A
Retailer 13
-
€1,156 EUR
$1,292 USD
View
A
Retailer 14
-
€1,193 EUR
$1,333 USD
View
B+
Retailer 15
-
€1,399 EUR
$1,563 USD
View
B
Retailer 16
-
€1,710 EUR
£1,504 GBP
View
Most Expensive
B
Do Amore Diamonds
27-1B0F4CF52 · Oct 31
€2,820 EUR
$3,150 USD
View
16 more retailers have this diamond
Prices start from €318 EURSave up to €2,502 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
€318 EUR