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Round|Lab Grown|IGI

1.64ct H SI1 Round Lab Grown Diamond

EX • H/SI1 • IGI LG444017149

Shape and cutting style on the report: Round brilliant

Certificate IGI LG444017149

Diamond specifications and retailer prices

From €316 EUR
$353 USD
As of November 1, 2026
Save €2,495 EUR (89%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: €2,811 EUR at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 1.64ct lab-grown round diamond

This 1.64ct 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 LG444017149 or 444017149. Listed at 19 retailers as of October 31, 2026, with prices from €316 to €2,811, a €2,495 spread on the same certified stone. Do Amore Diamonds lists it at €2,811. 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

1.64
Carat
H
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle36°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG444017149
Dimensions7.43 × 7.49 × 4.76 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Chemical Vapor Deposition (CVD) laboratory grown diamond is classified as Type IIa
Top View
7.43 mm7.49 mm1.64 ctH / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG444017149
Side View
Table 57.0%Crown 36°Girdle: MED-STKPavilion 41.5°Culet: NoneDepth 63.5%

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: €2,811 EUR|Low: €316 EUR|High: €2,811 EUR|Avg: €887 EUR|+0.3%
Do Amore Diamonds
Retailer 2
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Retailer 7
Retailer 8
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Retailer 11
Retailer 12
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Retailer 18
November 1, 2026
Retailer 18€316 EUR
Retailer 15€367 EUR
Retailer 13€387 EUR
Retailer 5€392 EUR
Retailer 14€392 EUR
Retailer 3€484 EUR
Retailer 6€528 EUR
Retailer 7€662 EUR
Retailer 9€678 EUR
Retailer 16€692 EUR
Retailer 11€698 EUR
Retailer 10€760 EUR
Retailer 12€815 EUR
Retailer 17€1,149 EUR
Retailer 8€1,186 EUR
Retailer 4€1,391 EUR
Retailer 2€1,690 EUR
Do Amore Diamonds€2,811 EUR

13 data points across 18 retailers

19 retailers€316 EUR to €2,811 EUR

A
Cheapest Retailer
-
€316 EUR
$353 USD
A
Retailer 2
-
€367 EUR
$410 USD
View
B+
Retailer 3
-
€387 EUR
$432 USD
View
A
Retailer 4
-
€392 EUR
$438 USD
View
Retailer 5
-
€392 EUR
$438 USD
View
Price last confirmed 7 days ago
A
Retailer 6
-
€484 EUR
$541 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
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€678 EUR
$758 USD
View
A
Retailer 10
-
€692 EUR
$773 USD
View
A
Retailer 11
-
€698 EUR
£614 GBP
View
A
Retailer 12
-
€760 EUR
$849 USD
View
A
Retailer 13
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€815 EUR
$910 USD
View
A
Retailer 14
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€815 EUR
$910 USD
View
A
Retailer 15
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€1,149 EUR
$1,284 USD
View
A
Retailer 16
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€1,186 EUR
$1,325 USD
View
B+
Retailer 17
-
€1,391 EUR
$1,554 USD
View
B+
Retailer 18
-
€1,690 EUR
£1,487 GBP
View
Most Expensive
B
Do Amore Diamonds
27-4645E7EAD · Oct 31
€2,811 EUR
$3,140 USD
View
18 more retailers have this diamond
Prices start from €316 EURSave up to €2,495 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
1.64ct Round
€316 EUR